County Maps US

Blaine County, Nebraska

A county in Nebraska, ranked 91 of 93 by population.

CountyFIPS 31009Sparse data

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

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Population
458
+29 (+6.8%) since 2020
Land area
710.7
square miles. A further 0.5% of the total area is water
Population density
0.64
people per square mile, computed rather than published
County seat
Brewster
Seat of county government.
Established
1885
140 years ago
Largest city
Dunning village
Population 85.

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 Blaine 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 Blaine 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 659 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 Blaine 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
Population45891st of 933,138th of 3,144
Land area710.7 sq mi39th of 931,291st of 3,144
Population density0.64 per sq mi90th of 933,107th of 3,144
Median household income$69,58342nd of 931,230th of 3,143

Full data for Blaine County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population458Vintage 2025 Population Estimates
Population in 2020429Vintage 2025 Population Estimates
2020 estimates base?430Vintage 2025 Population Estimates
Land area710.7 sq mi2025 Gazetteer Files
Water area3.6 sq mi2025 Gazetteer Files
Total area714.3 sq mi2025 Gazetteer Files
Population density?0.64 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$69,583American Community Survey 2020-2024 5-Year Estimates
Median home value$116,900American Community Survey 2020-2024 5-Year Estimates
Median age57.5American Community Survey 2020-2024 5-Year Estimates
Households197American Community Survey 2020-2024 5-Year Estimates
Housing units301American 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
+2
6 births, 4 deaths
Net migration
-3
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 6 areas bordering Blaine 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
Custer CountyNebraska29 mi10,500
Brown CountyNebraska25 mi2,826
Thomas CountyNebraska24 mi639
Loup CountyNebraska24 mi570
Cherry CountyNebraska5.1 mi5,561
Logan CountyNebraska0.7 mi669

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.