County Maps US

Red Willow County, Nebraska

A county in Nebraska, ranked 25 of 93 by population.

CountyFIPS 31145

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

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Population
10,307
-375 (-3.5%) since 2020
Land area
717.2
square miles. A further 0.1% of the total area is water
Population density
14.4
people per square mile, computed rather than published
County seat
McCook
Seat of county government.
Established
1873
152 years ago
Largest city
McCook city
Population 7,157.

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 Red Willow 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 Red Willow 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 800 by 662 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 Red Willow 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
Population10,30725th of 932,386th of 3,144
Land area717.2 sq mi35th of 931,259th of 3,144
Population density14.4 per sq mi30th of 932,413th of 3,144
Median household income$63,69766th of 931,731st of 3,143

Full data for Red Willow County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population10,307Vintage 2025 Population Estimates
Population in 202010,682Vintage 2025 Population Estimates
2020 estimates base?10,700Vintage 2025 Population Estimates
Land area717.2 sq mi2025 Gazetteer Files
Water area0.84 sq mi2025 Gazetteer Files
Total area718 sq mi2025 Gazetteer Files
Population density?14.4 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$63,697American Community Survey 2020-2024 5-Year Estimates
Median home value$159,600American Community Survey 2020-2024 5-Year Estimates
Median age41.6American Community Survey 2020-2024 5-Year Estimates
Households4,504American Community Survey 2020-2024 5-Year Estimates
Housing units5,150American 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
-25
116 births, 141 deaths
Net migration
-73
More people moved out than moved in.

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

The 5 areas bordering Red Willow 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
Frontier CountyNebraska30 mi2,655
Decatur CountyKansas29 mi2,716
Furnas CountyNebraska24 mi4,524
Hitchcock CountyNebraska24 mi2,467
Rawlins CountyKansas1.1 mi2,431

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.