Sequoyah County, Oklahoma

A county in Oklahoma, ranked 26 of 77 by population.

CountyFIPS 40135

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

Download SVGFull Oklahoma map downloads

Population
40,842
+1,603 (+4.1%) since 2020
Land area
673.6
square miles. A further 5.7% of the total area is water
Population density
60.6
people per square mile, computed rather than published
County seat
Sallisaw
Seat of county government.
Established
1907
118 years ago
Largest city
Sallisaw city
Population 8,790.

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 Sequoyah 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 Sequoyah 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 520 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 Sequoyah 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
Population40,84226th of 771,176th of 3,144
Land area673.6 sq mi55th of 771,401st of 3,144
Population density60.6 per sq mi18th of 771,297th of 3,144
Median household income$51,09362nd of 772,714th of 3,143

Full data for Sequoyah County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population40,842Vintage 2025 Population Estimates
Population in 202039,239Vintage 2025 Population Estimates
2020 estimates base?39,272Vintage 2025 Population Estimates
Land area673.6 sq mi2025 Gazetteer Files
Water area40.6 sq mi2025 Gazetteer Files
Total area714.2 sq mi2025 Gazetteer Files
Population density?60.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$51,093American Community Survey 2020-2024 5-Year Estimates
Median home value$139,400American Community Survey 2020-2024 5-Year Estimates
Median age40.6American Community Survey 2020-2024 5-Year Estimates
Households15,454American Community Survey 2020-2024 5-Year Estimates
Housing units18,367American 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
+109
708 births, 599 deaths
Net migration
+339
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 Sequoyah 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
Le Flore CountyOklahoma33 mi50,196
Haskell CountyOklahoma24 mi11,787
Adair CountyOklahoma19 mi19,828
Cherokee CountyOklahoma18 mi49,196
Crawford CountyArkansas17 mi62,657
Muskogee CountyOklahoma16 mi66,708
Sebastian CountyArkansas0.5 mi130,641

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.