County · Illinois · United States
Fulton County ZIP codes
20 ZIP codes · 20 cities · FIPS 17057
Key facts
- State
- Illinois (IL)
- FIPS code
- 17057
- Population
- 33,259
- Median household income
- $58,617
- Median age
- 43.7
- Land area
- 865.7 sq mi (2,242.1 km²)
- Population density
- 38 / sq mi
- Area codes
- 309, 618
Cities and ZIP codes in Fulton County (20)
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.