County Maps US

Ouachita County, Arkansas

A county in Arkansas, ranked 29 of 75 by population.

CountyFIPS 05103

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

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Population
21,731
-889 (-3.9%) since 2020
Land area
732.7
square miles. A further 0.9% of the total area is water
Population density
29.7
people per square mile, computed rather than published
County seat
Camden
Seat of county government.
Established
1842
183 years ago
Largest city
Camden city
Population 10,127.

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 Ouachita 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 Ouachita County, Arkansas 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 790 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 Ouachita County ranks

Position among the 75 counties of Arkansas, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn ArkansasNationally
Population21,73129th of 751,734th of 3,144
Land area732.7 sq mi24th of 751,209th of 3,144
Population density29.7 per sq mi30th of 751,934th of 3,144
Median household income$49,26846th of 752,812th of 3,143

Full data for Ouachita County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population21,731Vintage 2025 Population Estimates
Population in 202022,620Vintage 2025 Population Estimates
2020 estimates base?22,650Vintage 2025 Population Estimates
Land area732.7 sq mi2025 Gazetteer Files
Water area7.0 sq mi2025 Gazetteer Files
Total area739.7 sq mi2025 Gazetteer Files
Population density?29.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$49,268American Community Survey 2020-2024 5-Year Estimates
Median home value$102,100American Community Survey 2020-2024 5-Year Estimates
Median age43.8American Community Survey 2020-2024 5-Year Estimates
Households8,624American Community Survey 2020-2024 5-Year Estimates
Housing units11,869American 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
-79
281 births, 360 deaths
Net migration
-47
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 6 areas bordering Ouachita 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
Calhoun CountyArkansas71 mi4,632
Union CountyArkansas33 mi36,926
Nevada CountyArkansas22 mi7,942
Clark CountyArkansas22 mi20,938
Dallas CountyArkansas18 mi6,011
Columbia CountyArkansas13 mi21,894

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

All 75 counties of Arkansas

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

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