Old Greenwich
Census-designated place in Western Connecticut Planning Region, Connecticut

Old Greenwich is an unincorporated community (census-designated place) in Western Connecticut Planning Region, Connecticut, with 6,962 residents (2020 Census). The nearest town is Riverside, 1.2 miles NW.
- 6,962residents (2020 Census)
- 2.0 sq miland area · 5.2 km²
- 3,489 / sq mipopulation density
- 06870main ZIP code (2 in total)
About Old Greenwich
Old Greenwich is a coastal village in Fairfield County, Connecticut, United States. As of the 2020 census, Old Greenwich had a population of 6,962.
The town of Greenwich is one political and taxing body, but consists of several distinct sections or neighborhoods, such as Byram, Cos Cob, Glenville, Mianus, Old Greenwich, Riverside, and Greenwich (sometimes referred to as central, or downtown, Greenwich). Of these neighborhoods, three (Cos Cob, Old Greenwich, and Riverside) have separate postal names and ZIP codes.
Text: Wikipedia · CC BY-SA 4.0
Old Greenwich weather: 7-day forecast
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Source: National Weather Service (NOAA).
Live webcams in Old Greenwich
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Living in Old Greenwich
- Median household income
- $250,001
- Median home value
- $1,844,700
- Median rent
- $3,501/mo
- Median age
- 40.5
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Map of Old Greenwich
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Old Greenwich Street View
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Open in Google Maps ›Old Greenwich, CT population
Old Greenwich had 6,962 residents in the 2020 Census.
| 2020 Census | 6,962 |
|---|---|
| Density | 3,489 per sq mi (1,347 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Old Greenwich at a glance
| State | Connecticut (CT) |
|---|---|
| County | Western Connecticut Planning Region |
| Type | Census-designated place |
| Population | 6,962 (2020) |
| Land area | 2.00 sq mi (5.2 km²) |
| Water area | 1.48 sq mi (3.84 km²) |
| Coordinates | 41.0192° N, 73.5667° W |
| ZIP codes | 06870, 06878 |
| Census code (GEOID) | 0956900 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Old Greenwich
- Riverside1.2 mi NW
- Indian Field2.3 mi W
- Cos Cob2.4 mi NW
- Greenwich3.9 mi NW
- Stamford4.3 mi N
- Rock Ridge4.4 mi W
- Pemberwick4.7 mi W
- Byram4.7 mi W
- Noroton4.8 mi NE
- Darien5.1 mi NE
- Glenville5.2 mi W
- Noroton Heights5.2 mi NE
Straight-line distance between town centers.
Frequently asked questions about Old Greenwich
What county is Old Greenwich in?
Old Greenwich is in Western Connecticut Planning Region, Connecticut.
What is the population of Old Greenwich, CT?
6,962 people lived in Old Greenwich at the 2020 Census.
What is the ZIP code of Old Greenwich, CT?
The main ZIP code is 06870. Other ZIP codes: 06878.
What towns are near Old Greenwich?
Riverside (1.2 mi), Indian Field (2.3 mi), Cos Cob (2.4 mi), Greenwich (3.9 mi), Stamford (4.3 mi).
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