Jersey County, Illinois
8 ZIP codes · 369.56 sq mi of land · FIPS 17083
| Population | 21,274 |
|---|---|
| State | Illinois |
| FIPS code | 17083 |
| Time zone | Central |
| Land area | 369.56 sq mi |
| Center (lat, long) | 39.0802, -90.3614 |
Area codes in this area
These are the area codes that most often serve Jersey 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)
BrightonDowElsahFidelityFieldonGraftonJerseyvilleMedora
ZIP codes in Jersey County
62012 Brighton62022 Dow62028 Elsah62030 Fidelity62031 Fieldon62037 Grafton62052 Jerseyville62063 Medora
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.