Official Zip Code NameColchester
Zip Code StateIllinois
Primary County: Mcdonough
Area Code309
Current Population:37081
Racial Majority:White 62.49%
Median Household Income$55618
Average Adjusted Gross Income$89060
Time Zone:6
Elevation Range614 ft.
Area77.273 Sqm.
Coordinates(Y,X)40.402634, -90.811194