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Living in Castaic

Castaic is a city in the United States, and the figures below are its published values. Castaic numbered 18,479 residents at the end of 2020. At the end of 2024, unemployment in Castaic reached 4.42%. Castaic had a foreign population of 3,611 at the end of 2024.

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

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 Castaic.Healthcare eligibilityCountry-wide insurance and residence conditions.

Housing and cost

City-level rent is published below; no city-level cost-of-living basket is published for Castaic yet.

MetricValuePeriodSource
Median monthly rent1,527 EUR/month31 Dec 2024Census Reporter ACS 2020-2024 5-year, table B25064 (underlying U.S. Census Bureau ACS)10Community estimate · Supplemental context

Work and income

What is the typical salary in Castaic?

The median gross salary is about 4,752 EUR/month (ACS 2020-2024 5-year). Source: Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)9

City-scope median, gross, before tax and social contributions.

What is the unemployment rate in Castaic?

The unemployment rate is about 4.4 % (2024).

  • Unemployment rate: 4.42 % · Census Reporter (underlying U.S. Census ACS)2
Unemployment across cities in United StatesUnemployment in Castaic is 4.4%. Of 2,065 cities with data, 1,200 have unemployment of 0 to under 5%.
unemployment rate, % · measured cities in United States per band1200 cities: 0% to under 5%12000–5Castaic 4.4%742 cities: 5% to under 10%7425–1095 cities: 10% to under 15%9510–1525 cities: 15% to under 20%2515–202 cities: 20% to under 25%220–251 city: 25% to under 30%125–30

Unemployment rate (%)

MetricValuePeriodSource
Median gross salary4,752 EUR/month31 Dec 2024Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)9Community estimate · Supplemental context
Unemployment rate4.42 %country median 4.5%31 Dec 2024Census Reporter (underlying U.S. Census ACS)2Official

Public employment service

No exact public employment office is currently linked to Castaic. 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 Castaic. Sources checked through 10 Aug 2026.

Mobility and administration

Castaic's nearest airport was BUR, 40 km away and offered 12 direct destinations.

MetricValuePeriodSource
Airport Direct Destinations Count12 count3 Aug 2026OpenFlights4Official
Nearest Major Airport Distance Km40 km3 Aug 2026OurAirports5Official
Nearest Major Airport IataBUR3 Aug 2026OurAirports5Official

Language courses and integration

No exact city-level course record is currently published for Castaic. 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, Hybridvaries
Open official information

USCIS English and citizenship class finder — Civic Orientation

U.S. Citizenship and Immigration Services

For immigrants, future citizens.

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

Climate and air quality

Annual PM2.5 in the air was 5.8 µg/m³ at the end of 2024. Castaic's monthly mean temperatures were 12.7°C in January and 25.9°C in July.

Is the air quality good in Castaic?

The annual PM2.5 mean is about 5.8 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³.

Annual mean at the measuring site(s) serving the city; current-day readings differ.

  • PM2.5 — annual mean: 5.78 µg/m³ · U.S. EPA Air Quality System / AirData8
Temperature through the yearAverage daytime high and night-time low, °C
Castaic average monthly daytime high and night-time low temperature, °C0°10°20°30°40°JFMAMJJASOND35°7°Daytime highNight-time low
Rainfall through the yearAverage monthly precipitation, mm
Castaic average monthly precipitation, mm0306090120107112742181003132167JFMAMJJASONDmm
Air quality vs health guidelinesAnnual means against WHO 2021 guidelines and EU legal limits
Castaic annual air pollutant levels against WHO 2021 guidelines and EU legal limitsCity valueWHO guidelineEU limit5255.8PM2.5µg/m³

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 Castaic is 5.8 µg/m³. Of 968 cities with data, 262 have annual PM2.5 of 6 to under 7 µg/m³.
annual PM2.5, µg/m³ · measured cities in United States per band1 city: 1 µg/m³ to under 2 µg/m³11–22 cities: 2 µg/m³ to under 3 µg/m³22–331 cities: 3 µg/m³ to under 4 µg/m³313–451 cities: 4 µg/m³ to under 5 µg/m³514–5135 cities: 5 µg/m³ to under 6 µg/m³1355–6Castaic 5.8262 cities: 6 µg/m³ to under 7 µg/m³2626–7252 cities: 7 µg/m³ to under 8 µg/m³2527–8124 cities: 8 µg/m³ to under 9 µg/m³1248–958 cities: 9 µg/m³ to under 10 µg/m³589–1033 cities: 10 µg/m³ to under 11 µg/m³3310–114 cities: 11 µg/m³ to under 12 µg/m³411–124 cities: 12 µg/m³ to under 13 µg/m³412–135 cities: 13 µg/m³ to under 14 µg/m³513–143 cities: 14 µg/m³ to under 15 µg/m³314–153 cities: 15 µg/m³ to under 16 µg/m³315–16

Annual PM2.5 (µg/m³)

MetricValuePeriodSource
PM2.5 — annual mean5.78 µg/m³31 Dec 2024U.S. EPA Air Quality System / AirData8Official · nearest-station reading
Average daytime high by monthJan 17.33 · Feb 18.17 · Mar 21.33 · Apr 23.44 · May 27.11 · Jun 30.78 · Jul 34.56 · Aug 35.44 · Sep 32.72 · Oct 27.28 · Nov 21.83 · Dec 16.89 °C31 Dec 1991NOAA National Centers for Environmental Information3Official · nearest-station reading
Average night-time low by monthJan 8.11 · Feb 7.06 · Mar 8.39 · Apr 9.28 · May 11.94 · Jun 13.72 · Jul 17.33 · Aug 17.83 · Sep 16.89 · Oct 13.5 · Nov 9.56 · Dec 6.83 °C31 Dec 1991NOAA National Centers for Environmental Information3Official · nearest-station reading
Average temperature by monthJan 12.72 · Feb 12.61 · Mar 14.83 · Apr 16.33 · May 19.5 · Jun 22.22 · Jul 25.94 · Aug 26.61 · Sep 24.78 · Oct 20.39 · Nov 15.67 · Dec 11.89 °C31 Dec 1991NOAA National Centers for Environmental Information3Official · nearest-station reading
Average precipitation by monthJan 107.4 · Feb 112 · Mar 73.66 · Apr 21.08 · May 7.62 · Jun 0.508 · Jul 0 · Aug 0 · Sep 2.79 · Oct 13.21 · Nov 20.83 · Dec 66.55 mm31 Dec 1991NOAA National Centers for Environmental Information3Official · nearest-station reading
G04 Air Quality Pm25 Max Ug M326.3 µg/m³31 Dec 2024US EPA Air Quality System (AQS)8Official · nearest-station reading
G04 Air Quality Pm25 Mean Annual Ug M35.7 µg/m³31 Dec 2024US EPA Air Quality System (AQS)8Official · nearest-station reading

Cities of a similar size in United States

Closest published populations, for a like-for-like comparison.

All United States cities
Creve Coeur18,480 residentsAlsip18,483 residentsWest Columbia18,489 residentsBraselton18,496 residentsEast Riverdale18,459 residentsShelbyville18,453 residents

Population and city profile

The city covered 18.8 km² at the end of 2025. At the end of 2024, the population density reached 957 people per km².

How many people live in Castaic?

The published population was 18,479 people in April 2020. Source: California Department of Water Resources, Division of Integrated Regional Water Management (BIOS)1

Who lives hereResidents by nationality, % of population
Castaic residents by nationalityBy nationalityNational passport80.5%Foreign residents19.5%

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

MetricValuePeriodSource
City area18.81 km²31 Dec 2025U.S. Census Bureau (TIGERweb ArcGIS REST service)6Official
Foreign-resident share20.06 %31 Dec 2024Census Reporter (underlying U.S. Census ACS)2Official
Foreign residents3,611 people31 Dec 2024Census Reporter (underlying U.S. Census ACS)2Official
Population density957 people/km²31 Dec 2024Census Reporter (underlying U.S. Census ACS)2Official
Population18,479 people31 Dec 2020California Department of Water Resources, Division of Integrated Regional Water Management (BIOS)1Official

Is Castaic 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 worker35%strong on work, weak on safety · range 24–46%
Skilled employee61%strong on work, weak on safety · range 51–71%
Student38%strong on cost, weak on safety · range 26–50%
Family56%strong on family, weak on safety · range 44–68%
Retirement36%strong on air quality, weak on admin · range 22–50%
Foreign residents3,611 people31 Dec 2024Official source · Census Reporter (underlying U.S. Census ACS)
Population18,479 people31 Dec 2020Official source · California Department of Water Resources, Division of Integrated Regional Water Management (BIOS)
Median monthly rent1,527 EUR/month31 Dec 2024Community source · Census Reporter ACS 2020-2024 5-year, table B25064 (underlying U.S. Census Bureau ACS)
Median gross salary4,752 EUR/month31 Dec 2024Community source · Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)
Unemployment rate4.42 %31 Dec 2024Official source · Census Reporter (underlying U.S. Census ACS)
PM2.5 — annual mean5.78 µg/m³31 Dec 2024Official source · U.S. EPA Air Quality System / AirData
Every value keeps its source, geographic scope and verification date · Last checked 2026-09-11

Yes — migrants can receive medical care in Castaic 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.

Common questions

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

How many people live in Castaic?

The published population was 18,479 people in April 2020. Source: California Department of Water Resources, Division of Integrated Regional Water Management (BIOS).

Is the air quality good in Castaic?

The annual PM2.5 mean is about 5.8 µg/m³ (2024) — above the WHO 2021 guideline of 5 µg/m³ but within the EU limit of 25 µg/m³. Source: U.S. EPA Air Quality System / AirData.

What is the typical salary in Castaic?

The median gross salary is about 4,752 EUR/month (ACS 2020-2024 5-year). Source: Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS).

What is the unemployment rate in Castaic?

The unemployment rate is about 4.4 % (2024). Source: Census Reporter (underlying U.S. Census ACS).

How many foreign residents live in Castaic?

3,611 people residents hold a foreign nationality. Source: Census Reporter (underlying U.S. Census ACS).

Is Castaic a good place to live?

Castaic 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.

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, September 12). Castaic, United States: rent, salary, jobs [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/us/castaic/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_castaic-united-states-rent-salary-jobs_33d6618175b6,
  author = {ImmigrationDB},
  title = {Castaic, United States: rent, salary, jobs},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-12},
  version = {approved-static-d7ed373c115d60d0},
  snapshot = {approved-static-d7ed373c115d60d0},
  url = {https://immigrationdb.com/cities/us/castaic/},
  note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Castaic, United States: rent, salary, jobs](https://immigrationdb.com/cities/us/castaic/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0; retrieved 2026-09-12; built 2026-09-12.

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. California Department of Water Resources, Division of Integrated Regional Water Management (BIOS) services2.arcgis.com · checked 2026-08-05
  2. Census Reporter (underlying U.S. Census ACS) api.censusreporter.org · checked 2026-08-03
  3. NOAA National Centers for Environmental Information ncei.noaa.gov · checked 2026-08-05
  4. OpenFlights raw.githubusercontent.com · checked 2026-08-03
  5. OurAirports davidmegginson.github.io · checked 2026-08-03
  6. U.S. Census Bureau (TIGERweb ArcGIS REST service) tigerweb.geo.census.gov · checked 2026-08-03
  7. U.S. Census Bureau, American Community Survey api.census.gov · checked 2026-08-07
  8. U.S. EPA Air Quality System / AirData aqs.epa.gov · checked 2026-08-05
  9. Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS) api.censusreporter.org · checked 2026-09-11
  10. Census Reporter ACS 2020-2024 5-year, table B25064 (underlying U.S. Census Bureau ACS) api.censusreporter.org · checked 2026-09-11

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.