County Maps US

Ellis County, Oklahoma

A county in Oklahoma, ranked 73 of 77 by population.

CountyFIPS 40045

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

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Population
3,613
-129 (-3.4%) since 2020
Land area
1,231
square miles. A further 0.0% of the total area is water
Population density
2.9
people per square mile, computed rather than published
County seat
Arnett
Seat of county government.
Established
1907
118 years ago
Largest city
Shattuck town
Population 1,194.

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 Ellis 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 Ellis 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 563 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 Ellis 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
Population3,61373rd of 772,914th of 3,144
Land area1,231 sq mi12th of 77495th of 3,144
Population density2.9 per sq mi74th of 772,909th of 3,144
Median household income$61,01632nd of 771,991st of 3,143

Full data for Ellis County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population3,613Vintage 2025 Population Estimates
Population in 20203,742Vintage 2025 Population Estimates
2020 estimates base?3,750Vintage 2025 Population Estimates
Land area1,231 sq mi2025 Gazetteer Files
Water area0.37 sq mi2025 Gazetteer Files
Total area1,232 sq mi2025 Gazetteer Files
Population density?2.9 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$61,016American Community Survey 2020-2024 5-Year Estimates
Median home value$119,100American Community Survey 2020-2024 5-Year Estimates
Median age43.5American Community Survey 2020-2024 5-Year Estimates
Households1,478American Community Survey 2020-2024 5-Year Estimates
Housing units2,127American 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
-13
43 births, 56 deaths
Net migration
+6
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 Ellis 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
Roger Mills CountyOklahoma56 mi3,259
Woodward CountyOklahoma42 mi19,827
Lipscomb CountyTexas31 mi2,955
Harper CountyOklahoma22 mi3,172
Hemphill CountyTexas12 mi3,083
Dewey CountyOklahoma10 mi4,207
Beaver CountyOklahoma6.4 mi4,882

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.