Living in Charter Oak
Charter Oak is a city in the United States, and the figures below are its published values. Charter Oak numbered 9,963 residents at the end of 2020. Charter Oak had an unemployment rate of 7.75% at the end of 2024. At the end of 2024, the foreign population in Charter Oak numbered 2,621.
Higher unemployment than 86% of American cities that publish it and dirtier air than any other American city that publishes it.
Which United States-wide rules apply when you move to Charter Oak?
National rules stay on the country page instead of being relabelled as city data.
Housing and cost
City-level rent is published below; no city-level cost-of-living basket is published for Charter Oak yet.
| Metric | Value | Period | Source |
|---|---|---|---|
| Median monthly rent | 1,639 EUR/month | 31 Dec 2024 | Census Reporter ACS 2020-2024 5-year, table B25064 (underlying U.S. Census Bureau ACS)11Community estimate · Supplemental context |
Work and income
What is the typical salary in Charter Oak?
The median gross salary is about 3,217 EUR/month (ACS 2020-2024 5-year). Source: Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)10
City-scope median, gross, before tax and social contributions.
What is the unemployment rate in Charter Oak?
The unemployment rate is about 7.8 % (2024).
- Unemployment rate: 7.75 % · Census Reporter (underlying U.S. Census ACS)2
Unemployment rate (%)
| Metric | Value | Period | Source |
|---|---|---|---|
| Median gross salary | 3,217 EUR/month | 31 Dec 2024 | Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS)10Community estimate · Supplemental context |
| Unemployment rate | 7.75 %country median 4.5% | 31 Dec 2024 | Census Reporter (underlying U.S. Census ACS)2Official |
Public employment service
No exact public employment office is currently linked to Charter Oak. The verified national service may still offer online registration, job search or an official office finder.
American Job Centers — Public employment service
Country-level service information is not treated as proof of a physical office in Charter Oak. Sources checked through 10 Aug 2026.
Mobility and administration
Charter Oak's nearest airport was ONT, 23 km away and offered 14 direct destinations.
Language courses and integration
No exact city-level course record is currently published for Charter Oak. These verified national programmes may still apply; use the official programme page to check local availability.
Adult Education and English Language Acquisition (AEFLA) — State Language Course
U.S. Department of Education
For adult learners, adult English-language learners.
USCIS English and citizenship class finder — Civic Orientation
U.S. Citizenship and Immigration Services
For immigrants, future citizens.
Climate and air quality
Annual PM2.5 was 14.3 µg/m³ at the end of 2024. Monthly mean temperature moved from 13.1°C in January to 24.6°C in July.
Is the air quality good in Charter Oak?
The annual PM2.5 mean is about 14.3 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: 14.29 µg/m³ · U.S. EPA Air Quality System / AirData9
City values from the published air-quality observations. WHO 2021 guidelines and EU limit values are published constants.
Annual PM2.5 (µg/m³)
| Metric | Value | Period | Source |
|---|---|---|---|
| PM2.5 — annual mean | 14.29 µg/m³ | 31 Dec 2024 | U.S. EPA Air Quality System / AirData9Official · nearest-station reading |
| Average daytime high by month | Jan 19.94 · Feb 19.61 · Mar 22.22 · Apr 24.33 · May 25.78 · Jun 29.06 · Jul 32.39 · Aug 33.56 · Sep 31.5 · Oct 26.94 · Nov 23.06 · Dec 19.39 °C | 31 Dec 1991 | NOAA National Centers for Environmental Information3Official · nearest-station reading |
| Average night-time low by month | Jan 6.17 · Feb 6.94 · Mar 8.33 · Apr 9.78 · May 12.22 · Jun 14 · Jul 16.83 · Aug 17.06 · Sep 15.78 · Oct 12.17 · Nov 8.33 · Dec 5.28 °C | 31 Dec 1991 | NOAA National Centers for Environmental Information3Official · nearest-station reading |
| Average temperature by month | Jan 13.06 · Feb 13.28 · Mar 15.28 · Apr 17.06 · May 19 · Jun 21.56 · Jul 24.61 · Aug 25.28 · Sep 23.67 · Oct 19.56 · Nov 15.67 · Dec 12.33 °C | 31 Dec 1991 | NOAA National Centers for Environmental Information3Official · nearest-station reading |
| Average precipitation by month | Jan 96.01 · Feb 109.7 · Mar 67.31 · Apr 17.27 · May 11.43 · Jun 3.3 · Jul 1.52 · Aug 0 · Sep 3.81 · Oct 20.07 · Nov 25.65 · Dec 69.09 mm | 31 Dec 1991 | NOAA National Centers for Environmental Information4Official · nearest-station reading |
| G04 Air Quality Pm25 Max Ug M3 | 127.6 µg/m³ | 31 Dec 2024 | US EPA Air Quality System (AQS)9Official · nearest-station reading |
| G04 Air Quality Pm25 Mean Annual Ug M3 | 14.29 µg/m³ | 31 Dec 2024 | US EPA Air Quality System (AQS)9Official · nearest-station reading |
Cities of a similar size in United States
Closest published populations, for a like-for-like comparison.
Population and city profile
Charter Oak covered an area of 2.4 km² at the end of 2025. Population density was 3,929.4 people per km² at the end of 2024.
How many people live in Charter Oak?
The published population was 9,963 people in April 2020. Source: California Department of Water Resources, Division of Integrated Regional Water Management (BIOS)1
Calculated from the population and foreign-resident facts on this page.
| Metric | Value | Period | Source |
|---|---|---|---|
| City area | 2.4 km² | 31 Dec 2025 | U.S. Census Bureau (TIGERweb ArcGIS REST service)7Official |
| Foreign-resident share | 27.76 % | 31 Dec 2024 | Census Reporter (underlying U.S. Census ACS)2Official |
| Foreign residents | 2,621 people | 31 Dec 2024 | Census Reporter (underlying U.S. Census ACS)2Official |
| Population density | 3,929 people/km² | 31 Dec 2024 | Census Reporter (underlying U.S. Census ACS)2Official |
| Population | 9,963 people | 31 Dec 2020 | California Department of Water Resources, Division of Integrated Regional Water Management (BIOS)1Official |
Is Charter Oak 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.
Yes — migrants can receive medical care in Charter Oak 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 guideCommon questions
Answered from the published values on this page, each with its source and date.
How many people live in Charter Oak?
The published population was 9,963 people in April 2020. Source: California Department of Water Resources, Division of Integrated Regional Water Management (BIOS).
Is the air quality good in Charter Oak?
The annual PM2.5 mean is about 14.3 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 Charter Oak?
The median gross salary is about 3,217 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 Charter Oak?
The unemployment rate is about 7.8 % (2024). Source: Census Reporter (underlying U.S. Census ACS).
How many foreign residents live in Charter Oak?
2,621 people residents hold a foreign nationality. Source: Census Reporter (underlying U.S. Census ACS).
Is Charter Oak a good place to live?
Charter Oak 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). Charter Oak, United States: rent, salary [ImmigrationDB compilation; snapshot approved-static-d7ed373c115d60d0; version approved-static-d7ed373c115d60d0]. ImmigrationDB. https://immigrationdb.com/cities/us/charter-oak/ Retrieved 2026-09-12. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/BibTeX citation
@misc{immigrationdb_immigrationdb_charter-oak-united-states-rent-salary_053462548a2b,
author = {ImmigrationDB},
title = {Charter Oak, United States: rent, salary},
publisher = {ImmigrationDB},
year = {2026},
date = {2026-09-12},
version = {approved-static-d7ed373c115d60d0},
snapshot = {approved-static-d7ed373c115d60d0},
url = {https://immigrationdb.com/cities/us/charter-oak/},
note = {Retrieved 2026-09-12. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}Markdown citation
[Charter Oak, United States: rent, salary](https://immigrationdb.com/cities/us/charter-oak/) — 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
- California Department of Water Resources, Division of Integrated Regional Water Management (BIOS) services2.arcgis.com · checked 2026-08-05
- Census Reporter (underlying U.S. Census ACS) api.censusreporter.org · checked 2026-08-03
- NOAA National Centers for Environmental Information ncei.noaa.gov · checked 2026-08-05
- NOAA National Centers for Environmental Information ncei.noaa.gov · checked 2026-08-05
- OpenFlights raw.githubusercontent.com · checked 2026-08-03
- OurAirports davidmegginson.github.io · checked 2026-08-03
- U.S. Census Bureau (TIGERweb ArcGIS REST service) tigerweb.geo.census.gov · checked 2026-08-03
- U.S. Census Bureau, American Community Survey api.census.gov · checked 2026-08-07
- U.S. EPA Air Quality System / AirData aqs.epa.gov · checked 2026-08-05
- Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS) api.censusreporter.org · checked 2026-09-11
Show 1 more source
- 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.