- county
- FIPS 31143
- Largest town: Stromsburg
Polk County, Nebraska
Polk County had 5,269 residents in the Census Vintage 2024 estimate, on 438.8 square miles of land. It ranks 53rd of 93 in Nebraska by population and 83rd by land area.
- Population
- 5,269
- #53 of 93 in Nebraska · #2,800 in US
- Area
- 438.8 sq mi
- #83 of 93 in Nebraska · #2,309 in US
- Density
- 12 / sq mi
- #39 of 93 in Nebraska · #2,499 in US
- Median household income
- $79,938
- #7 of 93 in Nebraska · #478 in US
Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area
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Polk County population, land area and income
Polk County had 5,269 residents in the Census Vintage 2024 estimate, on 438.8 square miles of land. It ranks 53rd of 93 in Nebraska by population and 83rd by land area. That works out to 12.0 people per square mile, below the US average of 96.3, and in the bottom quarter nationally.
The median county-equivalent in Nebraska has 6,103 residents; Polk County is somewhat smaller.
Its SAIPE 2023 median household income of $79,938 is in the top quarter among 3,143 counties with an estimate.
National rank among 3,144
Population
5,269
2800th of 3,144 (US)
Land area
439 sq mi
2309th of 3,144 (US)
Density
12.0 / sq mi
2499th of 3,144 (US)
Median household income
$79,938
478th of 3,143 (US)
Rank within Nebraska (93)
Population
5,269
53rd of 93 (NE)
Land area
439 sq mi
83rd of 93 (NE)
Density
12.0 / sq mi
39th of 93 (NE)
Median household income
$79,938
7th of 93 (NE)
How Polk County's population changed since 2020
Polk County gained 51 residents between the July 2020 and July 2024 estimates, a rise of 1.0%. That ranks 27th of 93 in Nebraska for growth. The median Nebraska county changed by -0.6%, and the state as a whole by +2.1%.
Since the April 2020 estimates base, Polk County recorded 229 births and 353 deaths, a natural change of -124. Net international migration added +41 and net domestic migration, people moving to or from other US counties, came to +142. The largest single component was domestic migration, which added 142 people.
Components of change, April 2020 to July 2024
- Births
- 229
- Deaths
- 353
- Net international migration
- +41
- Net domestic migration
- +142
- Change, July 2023 to July 2024
- +57
Where Polk County is
The Census internal point of Polk County is at 41.187900, -97.570700. It sits in UTM zone 14N. The map shades Nebraska's 93 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Polk County outlined. Dots are towns of 1,000+ people with residents in it.
- < -3.0%
- < -1.1%
- < +0.1%
- < +1.7%
- ≥ +1.7%
Orange pin: Polk County internal point. Dark pin: Lincoln.
Internal point
- Decimal
- 41.187900, -97.570700
- DMS
- 41°11'16.44"N 97°34'14.52"W
- UTM
- 14N 619866.0E 4560600.8N
- Geohash
- 9z6d7dp0v
- Plus code
- 86H45CQH+5P
Towns in Polk County
One incorporated place of 1,000+ people has residents in Polk County, 1,159 people together, or 22% of the county. Each figure counts only the part of the town inside Polk County; towns marked "part" extend into another county. The largest is Stromsburg with 1,159.
- 01Stromsburg1,159
Counties bordering Polk County
The Census 2024 county adjacency file lists 6 neighbors for Polk County. The most populous is Platte County, NE, with 35,499 residents. Distances run between Census internal points in a straight line.
Distance to Lincoln and the nearest big city
Lincoln is 52.4 miles ESE of Polk County's internal point in a straight line. The nearest place of 100,000 or more is Lincoln, NE (population 300,619), 53.5 miles away. The nearest place of 10,000 or more is Columbus, NE (population 25,126), 20.4 miles away.
Polk County FIPS code
The FIPS code of Polk County is 31143: state code 31 for Nebraska plus county code 143. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $79,938.
Questions people ask
What is the population of Polk County, Nebraska?
The Census Vintage 2024 estimate for July 1, 2024 is 5,269. That is up 51 people (1.0%) from the July 2020 estimate of 5,218.
What is the FIPS code of Polk County?
31143. The first two digits (31) are Nebraska; the last three (143) identify the county.
What is the largest town in Polk County?
Stromsburg, with 1,159 residents inside Polk County in 2024.
Which counties border Polk County?
6 county-equivalents border it in the Census 2024 adjacency file: Platte County, NE; Seward County, NE; York County, NE; Hamilton County, NE; Butler County, NE; Merrick County, NE.
Sources and data as of
Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.
- 01Census Vintage 2024 county population estimates
- 02Census 2024 Gazetteer, counties
- 03Census SAIPE 2023 state and county estimates
- 04Census Vintage 2024 subcounty population estimates
- 05Census 2024 county adjacency file
- 06Census 2024 cartographic boundary file, counties (1:5,000,000)
How every number is computed: methodology. Spotted a wrong figure? Report an error.