Polk County, Nebraska
Polk County | |
|---|---|
| County of Polk | |
Polk County Courthouse in Osceola | |
Interactive map of Polk County | |
Location within the U.S. state of Nebraska | |
| Country | United States |
| State | Nebraska |
| Established | January 26, 1856 |
| Organized | August 6, 1870 |
| Named after | James K. Polk |
| County seat | Osceola |
| Largest city | Stromsburg |
| Area | |
• Total | 441 sq mi (1,140 km2) |
| • Land | 438 sq mi (1,130 km2) |
| • Water | 2.3 sq mi (6 km2) 0.5% |
| Highest elevation | 1,739 ft (530 m) |
| Lowest elevation | 1,089 ft (332 m) |
| Population | |
• Total | 5,214 |
• Estimate (2021) | 5,174 |
| Time zone | UTC−6 (Central) |
| • Summer (DST) | UTC−5 (CDT) |
| Area code | 402/531 |
| FIPS code | 31143 |
| GNIS feature ID | 835893 |
| Website | www.polkcounty.ne.gov |
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Polk County is a county in the U.S. state of Nebraska. As of the 2020 United States census, the population was 5,214. Its county seat is Osceola. The county was formed in 1856, and was organized in 1870. It was named for President James K. Polk. In the Nebraska license plate system, Polk County is represented by the prefix 41 (it had the 41st-largest number of vehicles registered in the county when the license plate system was established in 1922).