County outline
Where Sevier County is located
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
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 563.569 | 1,459.637 | 360,684.2 |
| Water | 17.73 | 45.92 | 11,347.2 |
| Total | 581.299 | 1,505.557 | 372,031.4 |
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.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 15,778 | 15,704 | 15,682 | 15,700 | 15,847 | 15,758 |
| 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 place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| De Queen cityCounty seat | 6,045 | −0.7% | 6.06 |
| Horatio city | 907 | −1.3% | 1.784 |
| Lockesburg city | 596 | +0.5% | 3.484 |
| Gillham town | 155 | −0.6% | 0.868 |
| Ben Lomond town | 137 | −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%.
| Bordering county equivalent | Land mi² | Size vs. Sevier | Compare |
|---|---|---|---|
| McCurtain CountyOklahoma | 1,850.8 | 3.3× larger | Compare |
| Polk County | 856.8 | 1.5× larger | Compare |
| Howard County | 587.3 | about the same | Compare |
| Little River County | 531.3 | 1.1× smaller | Compare |
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.
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.
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 rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1825 | Stevens County, Minnesota | 563.7 | Compare |
| #1826 | Sevier County, Arkansas | 563.6 | This county |
| #1827 | Bon Homme County, South Dakota | 563.5 | Compare |
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.
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.