Colchester
Town in Southeastern Connecticut Planning Region, Connecticut

Colchester is a town in Southeastern Connecticut Planning Region, Connecticut, with 15,555 residents (2020 Census). It sits at 472 ft (144 m) above sea level. The nearest town is Moodus, 6.1 miles SW.
- 15,555residents (2020 Census)
- 472 ftelevation · 144 m
- 48.9 sq miland area · 126.8 km²
- 318 / sq mipopulation density
- 06415ZIP code
About Colchester
Colchester is a town in New London County, Connecticut, United States. The town is part of the Southeastern Connecticut Planning Region. The population was 15,555 at the 2020 census. In 2010 Colchester became the first town in Connecticut, and the 36th in the country, to be certified with the National Wildlife Federation as a Community Wildlife Habitat.
The villages of Westchester and North Westchester are located within Colchester. The town center village, which was previously incorporated as a borough, is a census-designated place, with a population of 4,700 at the 2020 census.
The Colchester area was part of the Mohegan territory at the time of European settlement. Several members of the Paugussett tribe currently reside in Colchester, where the tribe (which also has a heritage property in Trumbull) has a larger and more recently acquired 106-acre (0.43 km2) reservation.
The Colchester Historical Society operates a local history museum.
Text: Wikipedia · CC BY-SA 4.0
Colchester weather: 7-day forecast
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Live webcams in Colchester
Webcams: Windy.com
Living in Colchester
- Median household income
- $122,390
- Median home value
- $366,800
- Median rent
- $1,474/mo
- Median age
- 43.5
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Map of Colchester
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Open in Google Maps ›Colchester, CT population
Colchester had 15,555 residents in the 2020 Census.
| 2020 Census | 15,555 |
|---|---|
| Density | 318 per sq mi (123 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Colchester at a glance
| State | Connecticut (CT) |
|---|---|
| County | Southeastern Connecticut Planning Region |
| Type | Town |
| Population | 15,555 (2020) |
| Land area | 48.94 sq mi (126.8 km²) |
| Water area | 0.80 sq mi (2.08 km²) |
| Elevation | 472 ft (144 m) |
| Coordinates | 41.5573° N, 72.3442° W |
| ZIP code | 06415 |
| Official website | colchesterct.gov |
| Census code (GEOID) | 0918015910 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Colchester
- Moodus6.1 mi SW
- East Haddam6.1 mi SW
- Salem6.5 mi SE
- Hebron7.4 mi N
- Lebanon7.5 mi NE
- Marlborough7.7 mi NW
- Terramuggus8.4 mi NW
- East Hampton8.6 mi W
- Lake Pocotopaug8.8 mi W
- Bozrah8.8 mi E
- Columbia9.6 mi N
- Lyme11.0 mi S
Straight-line distance between town centers.
Frequently asked questions about Colchester
What county is Colchester in?
Colchester is in Southeastern Connecticut Planning Region, Connecticut.
What is the population of Colchester, CT?
15,555 people lived in Colchester at the 2020 Census.
What is the ZIP code of Colchester, CT?
The ZIP code of Colchester is 06415.
What is the elevation of Colchester?
472 feet (144 m) above sea level.
What towns are near Colchester?
Moodus (6.1 mi), East Haddam (6.1 mi), Salem (6.5 mi), Hebron (7.4 mi), Lebanon (7.5 mi).
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