Polk County, Nebraska

Polk County, Nebraska, has 5,270 residents (July 2025 estimate). Its county seat is Osceola. It uses Central Time and covers 439 sq mi (1,137 km²) of land.

OmahaLincoln
Polk County in Nebraska
StromsburgOsceolaShelbyPolk
Polk County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
5,270
Land area
439 sq mi (1,137 km²)
County seat or government
Osceola
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$69,768 ± $3,459
Median home value
$189,900 ± $19,302
Median rent, with utilities
$681 ± $140
Homes lived in by their owners
78.9% ± 1.7 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Columbus, NE micro area, Grand Island, NE metro area, and Lincoln, NE metro area
Water area
1.81 sq mi (4.69 km²)
State
Nebraska
County code (FIPS)
31143
Coordinates (central point)
41.187925, -97.570663

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Polk County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 6860130,944 people
  2. 686661,514 people
  3. 686511,364 people
  4. 686621,088 people
  5. 68628848 people
  6. 68663782 people
  7. 68658604 people
  8. 68654569 people
  9. 68316414 people
  10. 68367342 people

10 ZIP Code areas overlap Polk County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Precincts in Polk County, largest first

  1. South Canada Precinct1,219 people
  2. South Osceola Precinct1,038 people
  3. North Osceola Precinct888 people
  4. West Stromsburg Precinct828 people
  5. East Stromsburg Precinct632 people
  6. West Pleasant Home Precinct620 people

People counts are American Community Survey 2020–2024 5-year estimates. All precincts in Nebraska, by county

School districts in Polk County, largest first

  1. Columbus Public Schools26,081 people
  2. Centennial Public Schools2,979 people
  3. Twin River Public Schools2,790 people
  4. Cross County Community Schools2,095 people
  5. Shelby-Rising City Public Schools2,046 people
  6. High Plains Community Schools1,782 people
  7. Osceola Public Schools1,446 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Stromsburg, Nebraska (city)1,074 people
  2. Osceola, Nebraska (city)896 people
  3. Shelby, Nebraska (village)684 people
  4. Polk, Nebraska (village)351 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. York County, Nebraska22 mi south
  2. Butler County, Nebraska23 mi east
  3. Merrick County, Nebraska24 mi west
  4. Platte County, Nebraska27 mi north
  5. Seward County, Nebraska31 mi southeast
  6. Hamilton County, Nebraska32 mi southwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.