ZIP code · Galesburg · Illinois · United States
ZIP code 61402 — Galesburg
ZIP code 61402 serves Galesburg, Illinois.
- Postal code
- 61402Single source Value from one source, not cross-checked.
- City
- Galesburg
- County
- Knox
- State
- Illinois
- Country
- United States
- Coordinates
- 40.9478, -90.3712 — precision precise (locality)
View on OpenStreetMap - Population
- 1,634 (ZCTA, ACS 5-year)
- Median age
- 41.5
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 · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page