---
entity_id: city:us:geonames:4839983
entity_type: city
name: Old Greenwich
country_code: US
country: United States
slug: old-greenwich
canonical_url: https://immigrationdb.com/cities/us/old-greenwich/
json_url: https://immigrationdb.com/data/cities/us/old-greenwich.json
markdown_url: https://immigrationdb.com/data/cities/us/old-greenwich.md
mcp_uri: immigrationdb://city/us/old-greenwich
snapshot_id: approved-static-8975a8c3d87026ab
generated_at: 2026-09-14
last_verified: 2026-09-11
fact_count: 17
language_location_count: 0
employment_location_count: 0
city_intent_block_count: 0
usefulness_tier: useful
indexable: true
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
citation_schema: immigrationdb-citation-v1
citation_canonical_url: https://immigrationdb.com/cities/us/old-greenwich/
citation_title: "Old Greenwich, United States: rent, salary, jobs, climate"
citation_author: ImmigrationDB
citation_publisher: ImmigrationDB
citation_snapshot_id: approved-static-8975a8c3d87026ab
citation_version: approved-static-8975a8c3d87026ab
citation_retrieval_date: 2026-09-14
citation_build_date: 2026-09-14
citation_license_url: https://creativecommons.org/licenses/by/4.0/
---

# Old Greenwich

Old Greenwich is a city in the United States, and the figures below are its published values. Old Greenwich had a population of 6,962 at the end of 2020. Old Greenwich had an unemployment rate of 4.57% at the end of 2024. Old Greenwich's foreign population totalled 1,333 at the end of 2024.

## Mobility

Old Greenwich's nearest airport was HPN, 13 km away and offered 15 direct destinations.

## Population

At the end of 2025, the city's area measured 5.2 km². Old Greenwich had a population density of 1,342.1 people per km² at the end of 2024.

## Climate

The annual PM2.5 concentration measured 5.9 µg/m³ at the end of 2024. Monthly mean temperature moved from −1.1°C in January to 23.7°C in July.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 1,333 people | city | 2024-12-31 | 2026-08-03 | stale | verified | [1] |
| Population (built-up area) | `g01_population_total` | 6,936 people | city | 2020-12-31 | 2026-08-07 | stale | verified | [2] |
| Population | `population_total` | 6,962 people | city | 2020-12-31 | 2026-08-05 | stale | verified | [3] |
| Median monthly rent | `rent_median_city_eur_month` | 3,020 EUR/month | city | 2024-12-31 | 2026-09-11 | stale | supplemental | [4] |
| Median gross salary | `salary_median_gross_city_eur_month` | 9,707 EUR/month | city | 2024-12-31 | 2026-09-11 | stale | supplemental | [5] |
| Unemployment rate | `unemployment_total_percent` | 4.57 % | city | 2024-12-31 | 2026-08-03 | stale | verified | [1] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 5.87 µg/m³ | nearest_station | 2024-12-31 | 2026-08-06 | stale | verified | [6] |
| Average daytime high by month | `climate_monthly_high_c` | Jan 3.33 · Feb 5.22 · Mar 9.5 · Apr 16.67 · May 22.39 · Jun 26.56 · Jul 29.33 · Aug 28.28 · Sep 24.28 · Oct 18 · Nov 11.72 · Dec 5.94 °C | nearest_station | 1991-12-31 | 2026-08-05 | stale | verified | [7] |
| Average night-time low by month | `climate_monthly_low_c` | Jan -5.44 · Feb -4.94 · Mar -0.889 · Apr 4.61 · May 10 · Jun 14.72 · Jul 18 · Aug 17.28 · Sep 13.44 · Oct 7 · Nov 1.72 · Dec -2.61 °C | nearest_station | 1991-12-31 | 2026-08-05 | stale | verified | [7] |
| Average temperature by month | `climate_monthly_mean_c` | Jan -1.06 · Feb 0.111 · Mar 4.33 · Apr 10.61 · May 16.17 · Jun 20.67 · Jul 23.67 · Aug 22.78 · Sep 18.89 · Oct 12.5 · Nov 6.72 · Dec 1.67 °C | nearest_station | 1991-12-31 | 2026-08-05 | stale | verified | [7] |
| Average precipitation by month | `climate_monthly_precip_mm` | Jan 90.68 · Feb 81.79 · Mar 110.7 · Apr 103.1 · May 115.8 · Jun 115.6 · Jul 104.4 · Aug 117.9 · Sep 128 · Oct 115.1 · Nov 93.47 · Dec 107.7 mm | nearest_station | 1991-12-31 | 2026-08-05 | stale | verified | [8] |
| City area | `city_area_km2` | 5.17 km² | city | 2025-12-31 | 2026-08-03 | aging | verified | [9] |
| Foreign-resident share | `foreign_population_share_percent` | 19.22 % | city | 2024-12-31 | 2026-08-03 | stale | verified | [1] |
| Population density | `population_density_per_km2` | 1,342 people/km² | city | 2024-12-31 | 2026-08-03 | stale | verified | [1] |
| Airport Direct Destinations Count | `airport_direct_destinations_count` | 15 count | city | 2026-08-03 | 2026-08-03 | fresh | verified | [10] |
| Nearest Major Airport Distance Km | `nearest_major_airport_distance_km` | 13 km | city | 2026-08-03 | 2026-08-03 | fresh | verified | [11] |
| Nearest Major Airport Iata | `nearest_major_airport_iata` | HPN | city | 2026-08-03 | 2026-08-03 | fresh | verified | [11] |

Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed.

## Language courses and integration

- [Adult Education and English Language Acquisition (AEFLA)](https://www.ed.gov/adult-programs) — State Language Course · U.S. Department of Education · English · checked 2026-08-10
- [USCIS English and citizenship class finder](https://my.uscis.gov/) — Civic Orientation · U.S. Citizenship and Immigration Services · English · checked 2026-08-10

These are country-level programmes, not proof of a course location in this city.

## Public employment service

- [American Job Centers](https://www.usa.gov/job-help) — Job Search

This is a country-level service, not proof of a physical office in this city.

## Healthcare access

Migrants can receive medical care in Old Greenwich when the country-wide insurance or residence conditions are met. City capacity facts do not determine personal eligibility.

- Public healthcare access for foreign residents: no — [official source](https://www.healthcare.gov/immigrants/)

## Country-wide rules

Visa, benefit, tax and healthcare eligibility rules are published on the [United States country page](https://immigrationdb.com/countries/united-states/).

## Sources

1. Census Reporter (underlying U.S. Census ACS) — Official source — https://api.censusreporter.org/1.0/data/show/latest?table_ids=B05012%2CB23025&geo_ids=16000US0952210%2C16000US0952560%2C16000US0954940%2C16000US0956690%2C16000US0956900%2C16000US0957670%2C16000US0959140%2C16000US0961870%2C16000US0962640%2C16000US0963900
2. U.S. Census Bureau, American Community Survey — Official source — https://api.census.gov/data/2024/acs/acs5?get=NAME%2CB01003_001E%2CB01003_001M&for=place%3A%2A&in=state%3A%2A
3. U.S. Census Bureau, TIGERweb Census 2020 — Official source — https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/26/query?where=1%3D1&outFields=GEOID%2CNAME%2CBASENAME%2CSTATE%2CPLACE%2CPLACENS%2CPOP100%2CMTFCC%2CLSADC%2CFUNCSTAT&returnGeometry=false&f=json
4. Census Reporter ACS 2020-2024 5-year, table B25064 (underlying U.S. Census Bureau ACS) — Community source — https://api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B25064&geo_ids=16000US0956900
5. Census Reporter ACS 2020-2024 5-year, table B20002 (underlying U.S. Census Bureau ACS) — Community source — https://api.censusreporter.org/1.0/data/show/acs2024_5yr?table_ids=B20002&geo_ids=16000US0956900
6. US EPA Air Quality System (AQS) — Official source — https://aqs.epa.gov/aqsweb/airdata/annual_conc_by_monitor_2024.zip
7. NOAA National Centers for Environmental Information — Official source — https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00067970.csv
8. NOAA National Centers for Environmental Information — Official source — https://www.ncei.noaa.gov/data/normals-monthly/1991-2020/access/USC00066655.csv
9. U.S. Census Bureau (TIGERweb ArcGIS REST service) — Official source — https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/5/query?where=1%3D1&outFields=GEOID,NAME,STATE,PLACE,AREALAND,AREAWATER,INTPTLAT,INTPTLON,LSADC,FUNCSTAT,BASENAME&returnGeometry=false&f=json
10. OpenFlights — Official source — https://raw.githubusercontent.com/jpatokal/openflights/master/data/routes.dat
11. OurAirports — Official source — https://davidmegginson.github.io/ourairports-data/airports.csv

## Cite

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.

### APA

ImmigrationDB. (2026, September 14). Old Greenwich, United States: rent, salary, jobs, climate [ImmigrationDB compilation; snapshot approved-static-8975a8c3d87026ab; version approved-static-8975a8c3d87026ab]. ImmigrationDB. https://immigrationdb.com/cities/us/old-greenwich/ Retrieved 2026-09-14. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/

### BibTeX

```bibtex
@misc{immigrationdb_immigrationdb_old-greenwich-united-states-rent-salary-jobs-climate_5e95b7cd9c0e,
  author = {ImmigrationDB},
  title = {Old Greenwich, United States: rent, salary, jobs, climate},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-14},
  version = {approved-static-8975a8c3d87026ab},
  snapshot = {approved-static-8975a8c3d87026ab},
  url = {https://immigrationdb.com/cities/us/old-greenwich/},
  note = {Retrieved 2026-09-14. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
```

### Markdown

[Old Greenwich, United States: rent, salary, jobs, climate](https://immigrationdb.com/cities/us/old-greenwich/) — ImmigrationDB; ImmigrationDB; snapshot approved-static-8975a8c3d87026ab; version approved-static-8975a8c3d87026ab; retrieved 2026-09-14; built 2026-09-14.

- Citation schema: `immigrationdb-citation-v1`
- Canonical URL: https://immigrationdb.com/cities/us/old-greenwich/
- Title: Old Greenwich, United States: rent, salary, jobs, climate
- Author: ImmigrationDB
- Publisher: ImmigrationDB
- Snapshot: `approved-static-8975a8c3d87026ab`
- Version: `approved-static-8975a8c3d87026ab`
- Retrieved: 2026-09-14
- Built: 2026-09-14
- Compilation license: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

## Data

- HTML: https://immigrationdb.com/cities/us/old-greenwich/
- JSON: https://immigrationdb.com/data/cities/us/old-greenwich.json
- Markdown: https://immigrationdb.com/data/cities/us/old-greenwich.md
- MCP resource: immigrationdb://city/us/old-greenwich
- Metric dictionary: https://immigrationdb.com/data/metrics.json
- City shard index: https://immigrationdb.com/data/cities/index.json
- Release catalog: https://immigrationdb.com/data/catalog.json
