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Living in Walnut Creek

In July 2026, owner occupation was 64.4% and the vacancy rate was 3.83%. The population of Walnut Creek, in the United States, was 70,088 in July 2026. There were 4,615 physicians per 100,000 residents in 2026.

Last checked 2026-09-1937 sources

Population70,012people31 Dec 2025Official source · U.S. Census Bureau, Population Estimates Program
Median gross salary5,898EUR/month31 Dec 2024Community source · Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)
Median rent2,356EUR/month31 Dec 2024Independent source · Census Reporter mirror of ACS 2024 5-year tables
Unemployment rate6%31 Dec 2024Independent source · Census Reporter mirror of ACS 2024 5-year tables
Recorded crime3,178offences per 100,000country median 1,586 — 100% aboveOfficial source · FBI Crime Data Explorer / Uniform Crime Reporting
PM2.5, annual mean3.93µg/m³31 Dec 2024Independent source · EPA AQS annual PM2.5 monitor data 2024

Which United States-wide rules apply when you move to Walnut Creek?

National rules stay on the country page instead of being relabelled as city data.

Visa and entry rulesPassport-specific entry and national residence context.BenefitsCountry-wide eligibility and official application routes.Taxes in United StatesNational rates and thresholds that apply in Walnut Creek.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

Median gross rent was US$2,680 per month, while the median home value was US$1,057,300 in July 2026. 51% of renter households spent at least 30% of income on housing in July 2026.

What recurs every month5 published recurring costs, € per month
Walnut Creek recurring monthly costs, € per month

€ / month

Private kindergarten€2385
Utilities, 85 m² flat€217
Fitness club€75
Internet, 60 Mbps€60
Mobile plan, 10 GB€59

Supplemental estimate lane; these items are not official statistics.

MetricValuePeriodSource
Fitness club membership, monthly75.17 EUR/month31 Dec 2025Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316)37Supplemental estimate · Supplemental context
Internet, 60 Mbps unlimited60.18 EUR/month31 Dec 2025Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316)37Supplemental estimate · Supplemental context
Private kindergarten, monthly2,385 EUR/month31 Dec 2025Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316)37Supplemental estimate · Supplemental context
Mobile plan, 10 GB58.85 EUR/month31 Dec 2025Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316)37Supplemental estimate · Supplemental context
Basic utilities, 85 m² home217.1 EUR/month31 Dec 2025Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316)37Supplemental estimate · Supplemental context
Median gross rent$2,680/month4 Jul 2026ACS median gross rent5Official
Households spending over 30% of income on rent51 %4 Jul 2026ACS median gross rent5Official
Housing vacancy rate (legacy series)3.83 %4 Jul 2026ACS median gross rent5Official
Property crime per 100,000 residents3,538 per 100,000 people1 Jul 2026FBI CDE/UCR crime statistics12Official
Average monthly rent (whole dwelling)2,677 EUR/month31 Dec 2020ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent)3Official
Median monthly rent2,356 EUR/month31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables26Supplemental estimate · Supplemental context
Recorded property crimes1,703 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)13Official

Is Walnut Creek a good place to live?

There is no universal answer. The profile scores below show who the available published evidence may suit; they are a decision aid, not a personal recommendation.

Try your profile
Remote worker47%strong on work, weak on safety · range 38–56%
Skilled employee54%strong on work, weak on safety · range 45–63%
Student41%strong on education, weak on housing · range 31–51%
Family36%strong on family, weak on cost · range 27–45%
Retirement36%strong on air quality, weak on admin · range 25–47%

Worked out from these numbers

How international is the population?

24.4% of residents hold a foreign nationality — 17,071 of 70,012 people. This counts nationality, not place of birth, so long-settled residents who naturalised are not in it.

Uses a supplemental estimate, so treat it as indicative.

Work and income

Median household income was US$130,432 a year in July 2026.

Unemployment across cities in United StatesUnemployment in Walnut Creek is 6.0%. Of 2,153 cities with data, 1,250 have unemployment of 0 to under 5%.

Unemployment rate (%)

MetricValuePeriodSource
Median household income130,432 USD/year4 Jul 2026ACS total population6Official
Households with cable, fibre or DSL broadband87.12 %4 Jul 2026ACS total population6Official
Households with a broadband subscription96.31 %4 Jul 2026ACS total population6Official
Households with internet but no subscription1.56 %4 Jul 2026ACS total population6Official
Households without internet2.02 %4 Jul 2026ACS total population6Official
Households with satellite internet4.21 %4 Jul 2026ACS total population6Official
Median gross salary5,898 EUR/month31 Dec 2024Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)25Community estimate · Supplemental context
Median gross salary (regional)5,487 EUR/month31 Dec 2025www.bls.gov24Official
Unemployment rate6 %31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables26Supplemental estimate · Supplemental context

What does a salary buy in Walnut Creek?

Take-home pay after tax, minus rent and the everyday bills this city publishes. Each line names its source.

regional median gross pay: €5,487 (US Bureau of Labor Statistics, 2025-12-31).
Left over each month€1,118of €4,131 take-home
  • Rent
  • Utilities
  • Internet
  • Mobile
  • Left over
Line-by-line breakdown and sources
Each month€
Take-home payOECD Taxing Wages 2025, single, no children. Includes central and local income tax and employee social contributions; euro amounts at the ECB average for 2026-08.€4,131
Rentaverage rent of a whole dwelling · official · ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent) · 2020-12-31− €2,677
Public transport passnot published for this city—
Utilities, 85 m²€217 · market price · Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316) · 2025-12-31− €217
Internet€60 · market price · Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316) · 2025-12-31− €60
Mobile plan€59 · market price · Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316) · 2025-12-31− €59
Left overbefore the bill this city does not publish€1,118
Take-home pay for other salaries and households Compare with another city Check a job offer in Walnut Creek Salary needed to live in Walnut Creek

Public employment service

No exact public employment office is currently linked to Walnut Creek. The verified national service may still offer online registration, job search or an official office finder.

Country-level information

American Job Centers — Public employment service

U.S. Department of Labor Employment and Training Administration

Job Search
Open official service
Open the United States service overview

Country-level service information is not treated as proof of a physical office in Walnut Creek. Sources checked through 10 Aug 2026.

Family and education

MetricValuePeriodSource
Residents with high school education or higher97.22 %4 Jul 2026ACS median gross rent5Official
Schools108 schools30 Jun 2026NCES CCD public school count16Official source, approximated value · Supplemental context · school district
School enrolment, share of residents18.35 %4 Jul 2026ACS median gross rent5Official

Healthcare

MetricValuePeriodSource
Mental health provider ratio143 ratio30 Jun 2026HRSA mental health provider ratio15Official
Primary care doctors per 100,000 residents4,615 per 100,000 people30 Jun 2026HRSA mental health provider ratio15Official
Preventable hospitalizations2,152 per 100,000 people30 Jun 2026HRSA mental health provider ratio15Official

Yes — migrants can receive medical care in Walnut Creek when the national insurance or residence conditions are met.

Healthcare access follows the country-wide insurance rules; local capacity facts remain city data and are not used as proof of eligibility.

Open the official coverage guide
Country rule verified 2026-08-03.

Safety

Recorded crime across major citiesWalnut Creek highlighted among comparable cities
Recorded crime across major cities with Walnut Creek highlighted

recorded incidents per 100k residents

Philadelphia5,457
Houston5,442
San Antonio5,218
Chicago4,012
Dallas4,010
Austin3,709
Walnut Creek3,178
Fort Worth3,158
Phoenix3,125
New York City3,039
Los Angeles2,212
San Diego2,082
MetricValuePeriodSource
Recorded incidents per 100,000 residents3,178 offences per 100,000country median 1,58631 Dec 2024FBI Crime Data Explorer / Uniform Crime Reporting14Official
Violent crime per 100,000 residents170.1 per 100,000 people1 Jul 2026FBI CDE/UCR crime statistics12Official
Recorded violent crimes148 offenses/year31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)13Official

Mobility and administration

MetricValuePeriodSource
Average commute time30.63 minutes4 Jul 2026ACS total population6Official
Workers commuting by bicycle0.41 %4 Jul 2026ACS total population6Official
Workers commuting by public transport6.18 %4 Jul 2026ACS total population6Official
Workers walking to work3.2 %4 Jul 2026ACS total population6Official
Nearest airportCCR3 Aug 2026OurAirports18Official
Distance to nearest airport9 km3 Aug 2026OurAirports18Official

Language courses and integration

No exact city-level course record is currently published for Walnut Creek. These verified national programmes may still apply; use the official programme page to check local availability.

Country-level information

Adult Education and English Language Acquisition (AEFLA) — State Language Course

U.S. Department of Education

For adult learners, adult English-language learners.

EnglishIn Person, Online, HybridCost varies
Open official information

USCIS English and citizenship class finder — Civic Orientation

U.S. Citizenship and Immigration Services

For immigrants, future citizens.

EnglishIn Person, OnlineCost varies
Open official information
Open the full United States section
National programme information is not treated as proof of a course location in Walnut Creek.

Find courses near Walnut Creek

Climate and air quality

Temperature through the yearAverage daytime high and night-time low, °C
Rainfall through the yearAverage monthly precipitation, mm
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits

City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.

PM2.5 across cities in United StatesAnnual PM2.5 in Walnut Creek is 3.9 µg/m³. Of 968 cities with data, 261 have annual PM2.5 of 6 to under 7 µg/m³.

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
PM2.5 — annual mean3.93 µg/m³31 Dec 2024EPA AQS annual PM2.5 monitor data 202436Supplemental estimate · Supplemental context
Average daytime high by monthJan 14.2 · Feb 16.7 · Mar 19.3 · Apr 21.8 · May 25.3 · Jun 29 · Jul 31.1 · Aug 31 · Sep 29.6 · Oct 25.6 · Nov 18.9 · Dec 14.5 °C31 Dec 1991World Meteorological Organization / NOAA NCEI20Official
Average night-time low by monthJan 5.1 · Feb 6.6 · Mar 8.1 · Apr 9.5 · May 11.7 · Jun 13.9 · Jul 14.8 · Aug 15.2 · Sep 14.3 · Oct 11.4 · Nov 7.3 · Dec 4.9 °C31 Dec 1991World Meteorological Organization / NOAA NCEI21Official
Average temperature by monthJan 9.7 · Feb 11.6 · Mar 13.7 · Apr 15.6 · May 18.5 · Jun 21.5 · Jul 23 · Aug 23.1 · Sep 22 · Oct 18.5 · Nov 13.1 · Dec 9.7 °C31 Dec 1991World Meteorological Organization / NOAA NCEI22Official
Average precipitation by monthJan 81.5 · Feb 81 · Mar 57.5 · Apr 28.4 · May 12.9 · Jun 4 · Jul 0 · Aug 0.5 · Sep 1.6 · Oct 18.4 · Nov 41 · Dec 80.8 mm31 Dec 1991World Meteorological Organization / NOAA NCEI23Official
PM2.5, highest monitored reading39.3 µg/m³1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
PM2.5, annual mean7.53 µg/m³1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
PM2.5 monitoring sites3 monitors1 Jul 2026EPA AirData PM2.5 annual mean11Official source, approximated value · Supplemental context · county
Annual precipitation477.2 mm30 Jun 2026NOAA GHCN-Daily climate normals17Official source, approximated value · Supplemental context · station observation
Maximum July temperature22.46 °C30 Jun 2026NOAA GHCN-Daily climate normals17Official source, approximated value · Supplemental context · station observation
Average annual temperature14.45 °C30 Jun 2026NOAA GHCN-Daily climate normals17Official source, approximated value · Supplemental context · station observation
Minimum January temperature8.62 °C30 Jun 2026NOAA GHCN-Daily climate normals17Official source, approximated value · Supplemental context · station observation

Similar climate. In United States: Simi Valley ±2.5 °C. Elsewhere: Vila Franca de Xira (Portugal) ±1.5 °C, Granada (Spain) ±2.1 °C, Cagliari (Italy) ±1.8 °C, Almada (Portugal) ±2.0 °C, Amadora (Portugal) ±2.0 °C. Twenty closest, compared month by month

Monthly highs and lows against the 1991–2020 station normals of the nearest station; ± is the average monthly difference.

Population and city profile

Foreign residents and their share come from different publications that count different groups (for example citizens of another country, or people born abroad, or of foreign origin), so 17,071 is not 8.9% of the population. Each row names its source.

Who lives hereResidents by nationality, % of population

Calculated from the population and foreign-resident facts on this page.

MetricValuePeriodSource
Foreign-resident share8.93 %31 Dec 2020Census Reporter (underlying U.S. Census ACS)9Official
Foreign residents17,071 people31 Dec 2024Census Reporter mirror of ACS 2024 5-year tables26Supplemental estimate · Supplemental context
Population density1,368 people/km²31 Dec 2025Census Reporter / U.S. Census Bureau10Official
Population70,012 people31 Dec 2025U.S. Census Bureau, Population Estimates Program19Official
Population covered by crime statistics70,970 people31 Dec 2025FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip)13Official

Additional context

MetricValuePeriodSource
Median home value1,057,300 USD4 Jul 2026ACS median gross rent5Official
Owner-occupied homes64.36 %4 Jul 2026ACS median gross rent5Official
Labour force participation rate59.17 %4 Jul 2026ACS total population6Official
Residents born abroad24.36 %4 Jul 2026ACS total population6Official
Naturalized citizens, share of residents15.43 %4 Jul 2026ACS total population6Official
Non-citizens, share of residents8.93 %4 Jul 2026ACS total population6Official
Flu vaccination coverage65.54 %30 Jun 2026CDC BRFSS flu vaccination coverage7Official
Mammography screening coverage78.1 %30 Jun 2026CDC mammography screening rate8Official
Residents without health insurance2.35 %4 Jul 2026ACS median gross rent5Official
Residents with a bachelor's degree or higher70.43 %4 Jul 2026ACS median gross rent5Official
Crime reporting agencies1 agencies1 Jul 2026FBI CDE/UCR crime statistics12Official
Households with a vehicle available92.89 %4 Jul 2026ACS median gross rent5Official
Public transport agencies in the National Transit Database0 agencies4 Jul 2026ACS total population6Official
Workers aged 16 and over32,858 workers4 Jul 2026ACS total population6Official
Workers mainly working from home30.77 %4 Jul 2026ACS total population6Official
Households using cellular data plans89.21 %4 Jul 2026ACS total population6Official

Alternatives for people set on Walnut Creek

Three places for the three reasons people leave a city on the shortlist: stay in the region, stay in the country, or keep the budget and change the country. A percentage appears only where both cities publish that metric from the same source, period and grain. Distances are straight lines — travel times are not collected yet.

Mountain View as a Walnut Creek alternative in the same region

57 km away, better on 6 of 7 metrics measured the same way, worse on 0.

  • Foreign residents: 25.7% Mountain View vs 8.9% Walnut Creek+188%
  • Median gross pay, city: €8,835 Mountain View vs €5,898 Walnut Creek+50%
  • Unemployment: 3.7% Mountain View vs 6.0% Walnut Creek−38%
  • Annual PM2.5: 2.1 µg/m³ Mountain View vs 3.9 µg/m³ Walnut Creek−47%
  • Nearest airport: 5.0 km Mountain View vs 9.0 km Walnut Creek−44%
  • Basic utilities, 85 m²: €155 Mountain View vs €217 Walnut Creek−29%
  • Residents: 85,438 Mountain View vs 70,012 Walnut Creek+22%
Full comparisonMore about Mountain View

Cities near Walnut Creek

Published cities within 25 km, nearest first. Distances are straight-line.

Contra Costa Centre 2.4 km away
Rent
2,507 EUR/monthMedian monthly rent · 2020-12-31
Salary
5,363 EUR/monthMedian gross salary · 2020-12-31
Saranap 2.6 km away
Rent
2,347 EUR/monthMedian monthly rent · 2020-12-31
Salary
7,241 EUR/monthMedian gross salary · 2020-12-31
Concord 8.5 km away
Salary
4,746 EUR/monthMedian gross salary · 2024-12-31

Alternative cities in United States

Other cities in United States to compare with Walnut Creek, nearest in population first.

All United States cities
Kyle69,917 residentsPortland69,911 residentsShawnee69,848 residentsDelray Beach69,809 residentsCasa Grande69,753 residentsWeston69,588 residents

How does Walnut Creek compare?

Pick a city. The answer appears here and the address bar keeps it, so the comparison can be shared; the page stays Walnut Creek's.

Open the full comparison

Walnut Creek in rankings

#3 of 30 in US cities with the lowest uninsured share

Put Walnut Creek's key facts on your site — a card with this page's figures and a link back, free under CC BY 4.0.

Common questions

Answered from the published values on this page, each with its source and date.

What is the typical salary around Walnut Creek?

The median gross salary is 5,487 EUR/month. Source: www.bls.gov.

What is the unemployment rate in Walnut Creek?

The unemployment rate is 6 %. This is a supplemental estimate, not an official municipal measurement. Source: Census Reporter mirror of ACS 2024 5-year tables.

Is the air quality good in Walnut Creek?

The annual PM2.5 mean is 3.93 µg/m³. The WHO 2021 guideline is 5 µg/m³ and the EU limit value is 25 µg/m³, so this reading is within the WHO guideline. This is a supplemental estimate, not an official municipal measurement. Source: EPA AQS annual PM2.5 monitor data 2024.

How safe is Walnut Creek?

Police recorded 3,178 offences per 100,000. This counts all offences, so it is not comparable with a violent-crime-only rate from another source. Source: FBI Crime Data Explorer / Uniform Crime Reporting.

How many people live in Walnut Creek?

The published population is 70,012 people. Source: U.S. Census Bureau, Population Estimates Program.

How many foreign residents live in Walnut Creek?

17,071 residents hold a foreign nationality. This is a supplemental estimate, not an official municipal measurement. Source: Census Reporter mirror of ACS 2024 5-year tables.

Is Walnut Creek a good place to live?

Walnut Creek may suit different people for different reasons. The page's profile scores compare published cost, work, housing, safety, healthcare and other available factors; they are a decision aid, not a universal recommendation.

Which cities are near Walnut Creek?

Waldon, Contra Costa Centre, Saranap, Pleasant Hill, Lafayette are near Walnut Creek. Typed relationship labels are shown where published; other rows use straight-line distance from admitted coordinates.

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation
ImmigrationDB. (2026, October 16). Walnut Creek, United States: population, rent, salary, jobs [ImmigrationDB compilation; version c70bf7746018d8337bc9ca5cc4a89580]. ImmigrationDB. https://immigrationdb.com/cities/us/walnut-creek/ Retrieved 2026-10-16. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_walnut-creek-united-states-population-rent-salary-jobs_6f47dc68f1ce,
  author = {ImmigrationDB},
  title = {Walnut Creek, United States: population, rent, salary, jobs},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-10-16},
  version = {c70bf7746018d8337bc9ca5cc4a89580},
  url = {https://immigrationdb.com/cities/us/walnut-creek/},
  note = {Retrieved 2026-10-16. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Walnut Creek, United States: population, rent, salary, jobs](https://immigrationdb.com/cities/us/walnut-creek/) — ImmigrationDB; ImmigrationDB; version c70bf7746018d8337bc9ca5cc4a89580; retrieved 2026-10-16; built 2026-10-16.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

JSON Markdown
  1. 2024 American Community Survey 5-year detailed tables api.census.gov · checked 2026-10-04
  2. ACS 2020-2024 5-year table-based Summary File, table B25064 (Median Gross Rent), place records www2.census.gov · checked 2026-09-18
  3. ACS 2020-2024 5-year table-based Summary File, tables B25065 (Aggregate Gross Rent) and B25063 (Gross Rent, units with cash rent) www2.census.gov · checked 2026-09-19
  4. ACS 2024 1-year table-based Summary File, table B20002 (Median Earnings in the Past 12 Months (in 2024 inflation-adjusted dollars) by Sex for the Population 16 Years and Over with Earnings) www2.census.gov · checked 2026-09-19
  5. ACS median gross rent api.censusreporter.org · checked 2026-07-04
  6. ACS total population api.censusreporter.org · checked 2026-07-04
  7. CDC BRFSS flu vaccination coverage data.cdc.gov · checked 2026-06-30
  8. CDC mammography screening rate data.cdc.gov · checked 2026-06-30
  9. Census Reporter (underlying U.S. Census ACS) api.censusreporter.org · checked 2026-08-03
  10. Census Reporter / U.S. Census Bureau api.censusreporter.org · checked 2026-08-03
Show 27 more sources
  1. EPA AirData PM2.5 annual mean aqs.epa.gov · checked 2026-07-01
  2. FBI CDE/UCR crime statistics cde.ucr.cjis.gov · checked 2026-07-01
  3. FBI CIUS Table 8 by City 2025 (CDE offenses-known-to-le-2025.zip) cde.ucr.cjis.gov · checked 2026-09-05
  4. FBI Crime Data Explorer / Uniform Crime Reporting cde.ucr.cjis.gov · checked 2026-08-04
  5. HRSA mental health provider ratio data.hrsa.gov · checked 2026-06-30
  6. NCES CCD public school count nces.ed.gov · checked 2026-06-30
  7. NOAA GHCN-Daily climate normals ncei.noaa.gov · checked 2026-06-30
  8. OurAirports davidmegginson.github.io · checked 2026-08-03
  9. U.S. Census Bureau, Population Estimates Program www2.census.gov · checked 2026-08-03
  10. World Meteorological Organization / NOAA NCEI nodc.noaa.gov · checked 2026-08-03
  11. World Meteorological Organization / NOAA NCEI nodc.noaa.gov · checked 2026-08-03
  12. World Meteorological Organization / NOAA NCEI nodc.noaa.gov · checked 2026-08-03
  13. World Meteorological Organization / NOAA NCEI nodc.noaa.gov · checked 2026-08-03
  14. www.bls.gov bls.gov · checked 2026-08-27
  15. Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS) api.censusreporter.org · checked 2026-09-11
  16. Census Reporter mirror of ACS 2024 5-year tables api.censusreporter.org · checked 2026-07-26
  17. Coordinate identity evidence wikidata.org · checked 2026-09-06
  18. Coordinate identity evidence wikidata.org · checked 2026-09-06
  19. Coordinate identity evidence wikidata.org · checked 2026-09-06
  20. Coordinate identity evidence wikidata.org · checked 2026-09-06
  21. Coordinate identity evidence wikidata.org · checked 2026-09-06
  22. Coordinate identity evidence wikidata.org · checked 2026-09-06
  23. Coordinate identity evidence wikidata.org · checked 2026-09-06
  24. Coordinate identity evidence wikidata.org · checked 2026-09-06
  25. Coordinate identity evidence wikidata.org · checked 2026-09-06
  26. EPA AQS annual PM2.5 monitor data 2024 aqs.epa.gov · checked 2026-07-26
  27. Numbeo - Cost of Living in Walnut Creek (Wayback Machine capture 20251127013316) numbeo.com · checked 2026-07-31

Spotted a number that looks wrong? Every value here carries its source and date — tell us what you found and we will re-check it against the source.