Sevier County area

Sevier County, Arkansas covers 581.3 square miles: 563.6 square miles of land and 17.7 square miles of water. Its county seat is De Queen. An estimated 15,758 people lived there in 2025.

Official Census measurements · GEOID 051332026 Gazetteer · retrieved September 27, 2026
Land area563.6 mi²
Water area17.7 mi²
Population (2025)15,758
People per mi²28

County outline

Generalized outline of Sevier 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 Sevier County is located

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

Area breakdown

Land accounts for 96.9% of Sevier County’s measured area and water for 3.1%. Its combined area converts to 1,505.6 square kilometers or approximately 372,031 acres.

Green: land · blue: water

MeasurementSquare milesSquare kilometersAcres
Land563.5691,459.637360,684.2
Water17.7345.9211,347.2
Total581.2991,505.557372,031.4

How Sevier County compares

By original Census land area, Sevier County ranks #67 of 75 in Arkansas and #1826 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.

Its land area is 0.871 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.1% of the combined county land area in the state.

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

Population and density of Sevier County

The Census Bureau estimates that 15,758 people lived in Sevier County on July 1, 2025. That ranks #2,123 of 3,222 county equivalents nationally and #49 of 75 in Arkansas. Since the April 1, 2020 estimates base of 15,840, the population has declined by 82 (−0.5%), compared with +3.4% for Arkansas as a whole.

With 563.6 square miles of land, that is 28 people per square mile (11 per km²), placing Sevier County #2,064 nationally for density and #37 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 23 acres of land per resident.

Estimated population, 2020–2025 · line scaled to this county’s own range
July 1202020212022202320242025
Estimate15,77815,70415,68215,70015,84715,758
Change—−74−22+18+147−89

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 Sevier County

5 incorporated places lie at least partly in Sevier County. Together they are home to 7,840 people (49.8%); the other 7,918 (50.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is De Queen city, with 6,045 residents in the county.

Incorporated placePopulation 2025Since 2020Land mi²
De Queen cityCounty seat6,045−0.7%6.06
Horatio city907−1.3%1.784
Lockesburg city596+0.5%3.484
Gillham town155−0.6%0.868
Ben Lomond town137−0.7%3.917

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

Metropolitan area

Sevier County is not part of any metropolitan or micropolitan statistical area in the Office of Management and Budget’s July 2023 delineation; 1,306 other county equivalents are also outside one. These areas are built around an urban core of at least 10,000 people plus the counties tied to it by commuting, so counties outside them are generally rural.

ZIP codes

6 ZIP Code Tabulation Areas have land in Sevier County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.

718237183271833718417184271846

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 Sevier County

Sevier County shares a land border with 4 county equivalents, including 1 in Oklahoma. It has more land than 1 of them. The largest neighbor is McCurtain County (1,850.8 mi²) and the smallest is Little River County (531.3 mi²). Together with its neighbors, Sevier County forms a block of 4,389.8 mi² of land, of which it holds 12.8%.

Map of Sevier County and the 4 county equivalents that border it Howard County, Arkansas: 587.3 mi² landLittle River County, Arkansas: 531.3 mi² landMcCurtain County, Oklahoma: 1,850.8 mi² landPolk County, Arkansas: 856.8 mi² land
Sevier 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. SevierCompare
McCurtain CountyOklahoma1,850.83.3× largerCompare
Polk County856.81.5× largerCompare
Howard County587.3about the sameCompare
Little River County531.31.1× smallerCompare

How big is Sevier County compared with U.S. states?

Sevier County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.8 times as much. Arkansas’s county land could hold about 92 areas the size of Sevier County.

Land area: Sevier County and the closest-sized states
Sevier County563.6 mi²
Rhode Island1,033.9 mi²

Another way to picture it: the same land area would fill a square about 23.7 miles (38.2 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 Sevier County?

Sevier County has more land than 1,396 of the other 3,221 county equivalents in the dataset.

Land area compared with the typical county equivalent
Sevier County563.6 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 Sevier County at #1,824 nationally by total area, 2 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 3.1%, compared with a national county-equivalent median of 1.2% — 1.9 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 Sevier County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

Land rankCounty equivalentLand mi²Comparison
#1825Stevens County, Minnesota563.7Compare
#1826Sevier County, Arkansas563.6This county
#1827Bon Homme County, South Dakota563.5Compare

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 33.994877, -94.243279. 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: 1,459,636,833 m²; AWATER: 45,919,664 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 Sevier County?

Sevier County, Arkansas has 563.6 square miles (1,459.6 km²) of land and 17.7 square miles of water, for a total area of 581.3 square miles. It ranks #1826 of 3,222 U.S. county equivalents by land area.

Is Sevier County the largest county in Arkansas?

No. Sevier County ranks #67 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.

What counties border Sevier County?

Sevier County shares a land border with Howard County, Little River County, McCurtain County, Oklahoma, and Polk County.

What is the population of Sevier County?

The Census Bureau estimates Sevier County had 15,758 residents on July 1, 2025, ranking #2,123 of 3,222 county equivalents. That is 28 people per square mile of land.

What is the county seat of Sevier County?

The county seat of Sevier County is De Queen.

What cities and towns are in Sevier County?

Sevier County has 5 incorporated places. The most populous are De Queen city, Horatio city, Lockesburg city, Gillham town, and Ben Lomond town; 7,918 residents live outside any incorporated place.

Is Sevier County part of a metropolitan area?

No. Sevier County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.

How many ZIP codes are in Sevier County?

6 ZIP Code Tabulation Areas have land in Sevier County, and 5 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.

How does Sevier County compare with U.S. states?

It has less land than every state. Rhode Island, the smallest, has 1.8 times as much land.

How many acres of land are in Sevier County?

The land measurement converts to approximately 360,684 acres. Including water, total area is approximately 372,031 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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