Hamilton County, Illinois
4 ZIP codes · 434.65 sq mi of land · FIPS 17065
| Population | 7,916 |
|---|---|
| State | Illinois |
| FIPS code | 17065 |
| Time zone | Central |
| Land area | 434.65 sq mi |
| Center (lat, long) | 38.0852, -88.5390 |
Area codes in this area
These are the area codes that most often serve Hamilton County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
BroughtonDahlgrenDaleMc Leansboro
ZIP codes in Hamilton County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.