Carroll County, Illinois
7 ZIP codes · 445.41 sq mi of land · FIPS 17015
| Population | 15,576 |
|---|---|
| State | Illinois |
| FIPS code | 17015 |
| Time zone | Central |
| Land area | 445.41 sq mi |
| Center (lat, long) | 42.0709, -89.9242 |
Area codes in this area
These are the area codes that most often serve Carroll 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)
ChadwickLanarkMilledgevilleMount CarrollSavannaShannonThomson
ZIP codes in Carroll County
61014 Chadwick61046 Lanark61051 Milledgeville61053 Mount Carroll61074 Savanna61078 Shannon61285 Thomson
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.