County Maps US

Clark County, Arkansas

A county in Arkansas, ranked 32 of 75 by population.

CountyFIPS 05019

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

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Population
20,938
-466 (-2.2%) since 2020
Land area
866
square miles. A further 1.9% of the total area is water
Population density
24.2
people per square mile, computed rather than published
County seat
Arkadelphia
Seat of county government.
Established
1818
207 years ago
Largest city
Arkadelphia city
Population 9,916.

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 Clark 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 Clark 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 734 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 Clark 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
Population20,93832nd of 751,777th of 3,144
Land area866 sq mi10th of 75951st of 3,144
Population density24.2 per sq mi43rd of 752,086th of 3,144
Median household income$52,03436th of 752,656th of 3,143

Full data for Clark County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population20,938Vintage 2025 Population Estimates
Population in 202021,404Vintage 2025 Population Estimates
2020 estimates base?21,459Vintage 2025 Population Estimates
Land area866 sq mi2025 Gazetteer Files
Water area17.0 sq mi2025 Gazetteer Files
Total area883 sq mi2025 Gazetteer Files
Population density?24.2 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$52,034American Community Survey 2020-2024 5-Year Estimates
Median home value$155,000American Community Survey 2020-2024 5-Year Estimates
Median age32.0American Community Survey 2020-2024 5-Year Estimates
Households8,121American Community Survey 2020-2024 5-Year Estimates
Housing units10,029American 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
-52
226 births, 278 deaths
Net migration
+36
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 6 areas bordering Clark 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
Hot Spring CountyArkansas46 mi33,451
Pike CountyArkansas43 mi9,964
Dallas CountyArkansas38 mi6,011
Nevada CountyArkansas37 mi7,942
Ouachita CountyArkansas22 mi21,731
Montgomery CountyArkansas4.0 mi8,579

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.