Little River County area

Little River County, Arkansas covers 563.3 square miles: 531.3 square miles of land and 32.1 square miles of water. Its county seat is Ashdown. An estimated 11,763 people lived there in 2025.

Official Census measurements · GEOID 050812026 Gazetteer · retrieved September 27, 2026
Land area531.3 mi²
Water area32.1 mi²
Population (2025)11,763
People per mi²22

County outline

Generalized outline of Little River County, Arkansas
2025 Census cartographic boundary, fitted to this frame. County maps are not at a common scale. The 2026 area measurements below come from the separate Gazetteer release. Map source and limitations.

Where Little River County is located

Little River County highlighted on a map of all U.S. county equivalents. About the maps

Area breakdown

Land accounts for 94.3% of Little River County’s measured area and water for 5.7%. Its combined area converts to 1,459.1 square kilometers or approximately 360,541 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land531.2551,375.944340,003.2
Water32.09183.11520,538.2
Total563.3461,459.059360,541.4

How Little River County compares

By original Census land area, Little River County ranks #73 of 75 in Arkansas and #1972 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.821 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1% of the combined county land area in the state.

See the complete Arkansas ranking · What counts as a county equivalent?

Population and density of Little River County

The Census Bureau estimates that 11,763 people lived in Little River County on July 1, 2025. That ranks #2,371 of 3,222 county equivalents nationally and #57 of 75 in Arkansas. Since the April 1, 2020 estimates base of 12,029, the population has declined by 266 (−2.2%), compared with +3.4% for Arkansas as a whole.

With 531.3 square miles of land, that is 22 people per square mile (8.5 per km²), placing Little River County #2,242 nationally for density and #47 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 29 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate11,97811,93611,81711,81211,69911,763
Change—−42−119−5−113+64

U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.

Cities and towns in Little River County

5 incorporated places lie at least partly in Little River County. Together they are home to 5,617 people (47.8%); the other 6,146 (52.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Ashdown city, with 4,135 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
Ashdown cityCounty seat4,135−2.9%7.137
Foreman city951−2.6%1.977
Wilton city289−0.7%1.279
Ogden city127−1.6%0.384
Winthrop city115−1.7%1.04

Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Little River County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.

Metropolitan area

Little River County is an outlying county of the Texarkana, TX-AR Metropolitan Statistical Area. Its 3 county equivalents have 146,816 residents on 2,040.2 square miles of land; Little River County accounts for 26% of the land and 8% of the residents. By combined land it ranks #154 of 393 metropolitan areas, and #300 by population.

County equivalentPopulation 2025Land mi²
Bowie CountyTexas92,696884.9
Miller County42,357624.1
Little River County11,763531.3

ZIP codes

7 ZIP Code Tabulation Areas have land in Little River County; 6 of them have most of their land inside the county, and the others mainly cover neighboring areas.

71820718227183671846718537186571866

ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Lighter codes have less than half of their land in this county. Post-office-box and single-address ZIP Codes have no tabulation area.

Counties bordering Little River County

Little River County shares a land border with 6 county equivalents, including 2 in Texas and Oklahoma. Each of them has more land than Little River County. The largest neighbor is McCurtain County (1,850.8 mi²) and the smallest is Sevier County (563.6 mi²). Together with its neighbors, Little River County forms a block of 5,769.1 mi² of land, of which it holds 9.2%.

Map of Little River County and the 6 county equivalents that border it Sevier County, Arkansas: 563.6 mi² landBowie County, Texas: 884.9 mi² landMcCurtain County, Oklahoma: 1,850.8 mi² landHempstead County, Arkansas: 727.2 mi² landMiller County, Arkansas: 624.1 mi² landHoward County, Arkansas: 587.3 mi² land
Little River County (dark) and its bordering county equivalents. Select a neighbor to open its profile. Drawn from the 2025 Census cartographic boundaries in an equal-area projection. How borders are determined.
Bordering county equivalentLand mi²Size vs. Little RiverCompare
McCurtain CountyOklahoma1,850.83.5× largerCompare
Bowie CountyTexas884.91.7× largerCompare
Hempstead County727.21.4× largerCompare
Miller County624.11.2× largerCompare
Howard County587.31.1× largerCompare
Sevier County563.61.1× largerCompare

How big is Little River County compared with U.S. states?

Little River County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.9 times as much. Arkansas’s county land could hold about 98 areas the size of Little River County.

Land area: Little River County and the closest-sized states
Little River County531.3 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23 miles (37.1 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.

State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.

What stands out about Little River County?

Little River County has more land than 1,250 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Little River County531.3 mi²
Arkansas median647.2 mi²
National median604.5 mi²

A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.

Does including water change its rank?

Using land plus water places Little River County at #1,962 nationally by total area, 10 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.

Its water share is 5.7%, compared with a national county-equivalent median of 1.2% — 4.5 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.

Closest positions in the national land ranking

These entries sit immediately beside Little River County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1971Hancock County, Ohio531.3Compare
#1972Little River County, Arkansas531.3This county
#1973Sebastian County, Arkansas531.2Compare

Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.

Representative coordinates

The Census internal point is 33.701941, -94.236287. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.

Source and precision

U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,375,943,114 m²; AWATER: 83,115,225 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.

Download the official county source ZIP ↗ · Methodology

Common questions

How big is Little River County?

Little River County, Arkansas has 531.3 square miles (1,375.9 km²) of land and 32.1 square miles of water, for a total area of 563.3 square miles. It ranks #1972 of 3,222 U.S. county equivalents by land area.

Is Little River County the largest county in Arkansas?

No. Little River County ranks #73 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.

What counties border Little River County?

Little River County shares a land border with Sevier County, Bowie County, Texas, McCurtain County, Oklahoma, Hempstead County, Miller County, and Howard County.

What is the population of Little River County?

The Census Bureau estimates Little River County had 11,763 residents on July 1, 2025, ranking #2,371 of 3,222 county equivalents. That is 22 people per square mile of land.

What is the county seat of Little River County?

The county seat of Little River County is Ashdown.

What cities and towns are in Little River County?

Little River County has 5 incorporated places. The most populous are Ashdown city, Foreman city, Wilton city, Ogden city, and Winthrop city; 6,146 residents live outside any incorporated place.

Is Little River County part of a metropolitan area?

Yes. It is an outlying county of the Texarkana, TX-AR Metropolitan Statistical Area, which has 3 county equivalents and 146,816 residents.

How many ZIP codes are in Little River County?

7 ZIP Code Tabulation Areas have land in Little River County, and 6 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Little River County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.9 times as much land.

How many acres of land are in Little River County?

The land measurement converts to approximately 340,003 acres. Including water, total area is approximately 360,541 acres. One square mile equals 640 acres.

Why might another source show a different area?

Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.

Can this establish a property boundary?

No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.

Cite this county

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