ZIP code · Colchester · Illinois · United States
ZIP code 62326 — Colchester
ZIP code 62326 serves Colchester, Illinois.
- Postal code
- 62326Single source Value from one source, not cross-checked.
- City
- Colchester
- County
- McDonough
- State
- Illinois
- Country
- United States
- Coordinates
- 40.4156, -90.7846 — precision precise (locality)
View on OpenStreetMap - Population
- 2,317 (ZCTA, ACS 5-year)
- Median household income
- $65,048
- Median age
- 39.2
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page