County · Illinois · United States
Adams County ZIP codes
16 ZIP codes · 15 cities · FIPS 17001
Key facts
- State
- Illinois (IL)
- FIPS code
- 17001
- Population
- 65,166
- Median household income
- $64,962
- Median age
- 41.1
- Land area
- 855.2 sq mi (2,214.8 km²)
- Population density
- 76 / sq mi
- Area codes
- 217, 447
Cities and ZIP codes in Adams County (15)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.