Colchester, Illinois

Colchester, Illinois
U.S. Route 136 westbound entering Colchester
Location in McDonough County, Illinois
Colchester
Location in the United States
Coordinates: 40°25′31″N 90°47′32″W / 40.42528°N 90.79222°W / 40.42528; -90.79222
CountryUnited States
StateIllinois
CountyMcDonough
TownshipColchester
Area
  Total
1.15 sq mi (2.98 km2)
  Land1.15 sq mi (2.98 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
697 ft (212 m)
Population
 (2020)
  Total
1,108
  Density963.48/sq mi (371.88/km2)
Time zoneUTC-6 (CST)
  Summer (DST)UTC-5 (CDT)
ZIP code
62326
Area code309
FIPS code17-15378
Wikimedia CommonsColchester, Illinois

Colchester is a city in McDonough County, Illinois, United States. The population was 1,108 at the 2020 census, down from 1,401 in 2010. The city is named after the city of Colchester, England.