Colchester, Illinois
Colchester is a city in McDonough County, Illinois, with an estimated population of 1,090 in 2023. It sits at 40.4256, -90.7922 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Colchester |
| Type | city |
| State | Illinois (IL) |
| County | McDonough County |
| Population (2023 est.) | 1,090 |
| Land area | 1.15 sq mi (2.98 km²) |
| Coordinates | 40.4256, -90.7922 |
| Time zone | America/Chicago |
| ZIP codes | 62326 |
ZIP codes and area codes for Colchester
Colchester covers 1 ZIP code: 62326. Browse all ZIP codes in Illinois for the full list.
Where is Colchester?
Colchester is located in Illinois, in McDonough County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Macomb 10 km · ILBlandinsville 16 km · ILGood Hope 18 km · ILPlymouth 18 km · ILIndustry 19 km · ILLa Harpe 23 km · ILAugusta 25 km · ILBushnell 28 km · IL
Other places in McDonough County
Frequently asked questions
What county is Colchester, IL in?
Colchester is in McDonough County, Illinois.
What is the population of Colchester, IL?
The 2023 Census Bureau estimate is 1,090.
What time zone is Colchester in?
Colchester is in the America/Chicago time zone.