County Maps US

Grant County, Oklahoma

A county in Oklahoma, ranked 72 of 77 by population.

CountyFIPS 40053

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

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Population
4,067
-119 (-2.8%) since 2020
Land area
1,001
square miles. A further 0.3% of the total area is water
Population density
4.1
people per square mile, computed rather than published
County seat
Medford
Seat of county government.
Established
1893
132 years ago
Largest city
Medford city
Population 901.

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 Grant 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 Grant 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 643 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 Grant 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
Population4,06772nd of 772,880th of 3,144
Land area1,001 sq mi20th of 77680th of 3,144
Population density4.1 per sq mi72nd of 772,823rd of 3,144
Median household income$60,75834th of 772,013th of 3,143

Full data for Grant County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population4,067Vintage 2025 Population Estimates
Population in 20204,186Vintage 2025 Population Estimates
2020 estimates base?4,174Vintage 2025 Population Estimates
Land area1,001 sq mi2025 Gazetteer Files
Water area2.7 sq mi2025 Gazetteer Files
Total area1,003 sq mi2025 Gazetteer Files
Population density?4.1 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,758American Community Survey 2020-2024 5-Year Estimates
Median home value$105,700American Community Survey 2020-2024 5-Year Estimates
Median age43.2American Community Survey 2020-2024 5-Year Estimates
Households1,612American Community Survey 2020-2024 5-Year Estimates
Housing units2,163American 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
-19
34 births, 53 deaths
Net migration
-44
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 Grant 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
Garfield CountyOklahoma36 mi61,779
Alfalfa CountyOklahoma28 mi5,649
Kay CountyOklahoma28 mi43,490
Sumner CountyKansas19 mi22,312
Harper CountyKansas17 mi5,370

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.