County · Illinois · United States
Randolph County ZIP codes
14 ZIP codes · 14 cities · FIPS 17157
Key facts
- State
- Illinois (IL)
- FIPS code
- 17157
- Population
- 30,142
- Median household income
- $68,870
- Median age
- 43
- Land area
- 575.4 sq mi (1,490.2 km²)
- Population density
- 52 / sq mi
- Area codes
- 618, 730
Cities and ZIP codes in Randolph County (14)
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.