Nuckolls County, Nebraska

A county in Nebraska, ranked 59 of 93 by population.

CountyFIPS 31129

Within Nebraska
Nuckolls County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Nelson, the county seat, located via the 2025 Census Gazetteer.

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Population
4,100
+7 (+0.2%) since 2020
Land area
575.2
square miles. A further 0.1% of the total area is water
Population density
7.1
people per square mile, computed rather than published
County seat
Nelson
Seat of county government.
Established
1860
165 years ago
Largest city
Superior city
Population 1,821.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Nuckolls County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Nuckolls County, Nebraska from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 795 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Nuckolls County ranks

Position among the 93 counties of Nebraska, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn NebraskaNationally
Population4,10059th of 932,876th of 3,144
Land area575.2 sq mi48th of 931,727th of 3,144
Population density7.1 per sq mi54th of 932,682nd of 3,144
Median household income$73,97626th of 93920th of 3,143

Full data for Nuckolls County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population4,100Vintage 2025 Population Estimates
Population in 20204,093Vintage 2025 Population Estimates
2020 estimates base?4,098Vintage 2025 Population Estimates
Land area575.2 sq mi2025 Gazetteer Files
Water area0.66 sq mi2025 Gazetteer Files
Total area575.8 sq mi2025 Gazetteer Files
Population density?7.1 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$73,976American Community Survey 2020-2024 5-Year Estimates
Median home value$96,500American Community Survey 2020-2024 5-Year Estimates
Median age50.6American Community Survey 2020-2024 5-Year Estimates
Households1,919American Community Survey 2020-2024 5-Year Estimates
Housing units2,220American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-7
47 births, 54 deaths
Net migration
+10
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Nuckolls County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Thayer CountyNebraska24 mi4,842
Webster CountyNebraska24 mi3,336
Clay CountyNebraska24 mi6,170
Jewell CountyKansas18 mi2,830
Republic CountyKansas5.9 mi4,640
Fillmore CountyNebraska0.2 mi5,458

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 93 counties of Nebraska

Open the interactive Nebraska county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.