County Maps US

Columbia County, Arkansas

A county in Arkansas, ranked 27 of 75 by population.

CountyFIPS 05027

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

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Population
21,894
-853 (-3.7%) since 2020
Land area
766.1
square miles. A further 0.1% of the total area is water
Population density
28.6
people per square mile, computed rather than published
County seat
Magnolia
Seat of county government.
Established
1852
173 years ago
Largest city
Magnolia city
Population 10,660.

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 Columbia 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 Columbia 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 785 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 Columbia 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
Population21,89427th of 751,723rd of 3,144
Land area766.1 sq mi19th of 751,135th of 3,144
Population density28.6 per sq mi36th of 751,966th of 3,144
Median household income$55,33424th of 752,452nd of 3,143

Full data for Columbia County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population21,894Vintage 2025 Population Estimates
Population in 202022,747Vintage 2025 Population Estimates
2020 estimates base?22,800Vintage 2025 Population Estimates
Land area766.1 sq mi2025 Gazetteer Files
Water area0.77 sq mi2025 Gazetteer Files
Total area766.8 sq mi2025 Gazetteer Files
Population density?28.6 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$55,334American Community Survey 2020-2024 5-Year Estimates
Median home value$152,100American Community Survey 2020-2024 5-Year Estimates
Median age34.2American Community Survey 2020-2024 5-Year Estimates
Households8,409American Community Survey 2020-2024 5-Year Estimates
Housing units11,030American 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
-59
232 births, 291 deaths
Net migration
-62
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 Columbia 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
Lafayette CountyArkansas35 mi5,888
Union CountyArkansas25 mi36,926
Nevada CountyArkansas15 mi7,942
Webster ParishLouisiana15 mi34,948
Claiborne ParishLouisiana15 mi13,354
Ouachita CountyArkansas13 mi21,731

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.