County Maps US

Osage County, Oklahoma

The largest of Oklahoma's 77 counties by land area.

CountyFIPS 40113

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

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Population
46,794
+995 (+2.2%) since 2020
Land area
2,247
square miles. A further 2.5% of the total area is water
Population density
20.8
people per square mile, computed rather than published
County seat
Pawhuska
Seat of county government.
Established
1907
118 years ago
Largest city
Skiatook city
Population 6,269 for the whole place, which extends beyond this county.

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 Osage 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 Osage 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 800 by 787 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 Osage 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
Population46,79421st of 771,056th of 3,144
Land area2,247 sq mi1st of 77248th of 3,144
Population density20.8 per sq mi42nd of 772,217th of 3,144
Median household income$62,84722nd of 771,816th of 3,143

Full data for Osage County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population46,794Vintage 2025 Population Estimates
Population in 202045,799Vintage 2025 Population Estimates
2020 estimates base?45,831Vintage 2025 Population Estimates
Land area2,247 sq mi2025 Gazetteer Files
Water area57.3 sq mi2025 Gazetteer Files
Total area2,304 sq mi2025 Gazetteer Files
Population density?20.8 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$62,847American Community Survey 2020-2024 5-Year Estimates
Median home value$182,100American Community Survey 2020-2024 5-Year Estimates
Median age43.5American Community Survey 2020-2024 5-Year Estimates
Households17,374American Community Survey 2020-2024 5-Year Estimates
Housing units19,886American 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
-106
420 births, 526 deaths
Net migration
+106
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 7 areas bordering Osage 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
Pawnee CountyOklahoma80 mi16,029
Kay CountyOklahoma47 mi43,490
Washington CountyOklahoma40 mi54,037
Tulsa CountyOklahoma33 mi698,782
Chautauqua CountyKansas29 mi3,321
Noble CountyOklahoma20 mi10,899
Cowley CountyKansas12 mi34,382

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.