ZIP code · Mendon · Illinois · United States
ZIP code 62351 — Mendon
ZIP code 62351 serves Mendon, Illinois.
- Postal code
- 62351Single source Value from one source, not cross-checked.
- City
- Mendon
- County
- Adams
- State
- Illinois
- Country
- United States
- Coordinates
- 40.0857, -91.2899 — precision precise (locality)
View on OpenStreetMap - Population
- 2,026 (ZCTA, ACS 5-year)
- Median household income
- $73,772
- Median age
- 36.9
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