County Maps US

Blaine County, Oklahoma

A county in Oklahoma, ranked 60 of 77 by population.

CountyFIPS 40011

Within Oklahoma
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 Watonga, the county seat, located via the 2025 Census Gazetteer.

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Population
8,515
-189 (-2.2%) since 2020
Land area
928.5
square miles. A further 1.1% of the total area is water
Population density
9.2
people per square mile, computed rather than published
County seat
Watonga
Seat of county government.
Established
1892
133 years ago
Largest city
Watonga city
Population 2,594.

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, Oklahoma 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 491 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 Blaine County ranks

Position among the 77 counties of Oklahoma, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn OklahomaNationally
Population8,51560th of 772,534th of 3,144
Land area928.5 sq mi27th of 77778th of 3,144
Population density9.2 per sq mi60th of 772,593rd of 3,144
Median household income$61,64228th of 771,922nd 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
Population8,515Vintage 2025 Population Estimates
Population in 20208,704Vintage 2025 Population Estimates
2020 estimates base?8,731Vintage 2025 Population Estimates
Land area928.5 sq mi2025 Gazetteer Files
Water area10.4 sq mi2025 Gazetteer Files
Total area938.9 sq mi2025 Gazetteer Files
Population density?9.2 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,642American Community Survey 2020-2024 5-Year Estimates
Median home value$126,900American Community Survey 2020-2024 5-Year Estimates
Median age41.2American Community Survey 2020-2024 5-Year Estimates
Households3,381American Community Survey 2020-2024 5-Year Estimates
Housing units4,581American 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
-36
95 births, 131 deaths
Net migration
+28
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 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
Kingfisher CountyOklahoma31 mi15,795
Dewey CountyOklahoma25 mi4,207
Major CountyOklahoma24 mi7,536
Custer CountyOklahoma19 mi28,175
Canadian CountyOklahoma18 mi187,189
Caddo CountyOklahoma17 mi26,130

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

All 77 counties of Oklahoma

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

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