Polk County, Nebraska
5 ZIP codes · 438.83 sq mi of land · FIPS 31143
| Population | 5,225 |
|---|---|
| State | Nebraska |
| FIPS code | 31143 |
| Time zone | Central |
| Land area | 438.83 sq mi |
| Center (lat, long) | 41.1879, -97.5707 |
Area codes in this area
These are the area codes that most often serve Polk 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)
GreshamOsceolaPolkShelbyStromsburg
ZIP codes in Polk County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.