County outline
Where Desha County is located
Area breakdown
Land accounts for 91.2% of Desha County’s measured area and water for 8.8%. Its combined area converts to 2,105 square kilometers or approximately 520,145 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 741.227 | 1,919.769 | 474,385.3 |
| Water | 71.499 | 185.182 | 45,759.4 |
| Total | 812.726 | 2,104.951 | 520,144.6 |
How Desha County compares
By original Census land area, Desha County ranks #23 of 75 in Arkansas and #1192 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.145 times the Arkansas county-equivalent median of 647.2 square miles. It accounts for 1.4% of the combined county land area in the state.
See the complete Arkansas ranking · What counts as a county equivalent?
Population and density of Desha County
The Census Bureau estimates that 9,984 people lived in Desha County on July 1, 2025. That ranks #2,482 of 3,222 county equivalents nationally and #59 of 75 in Arkansas. Since the April 1, 2020 estimates base of 11,393, the population has declined by 1,409 (−12.4%), compared with +3.4% for Arkansas as a whole.
With 741.2 square miles of land, that is 13 people per square mile (5.2 per km²), placing Desha County #2,518 nationally for density and #62 in Arkansas. The median county equivalent has 47 people per square mile; the Arkansas median is 28. Put another way, there are about 48 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 11,319 | 11,047 | 10,754 | 10,479 | 10,305 | 9,984 |
| Change | — | −272 | −293 | −275 | −174 | −321 |
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 Desha County
7 incorporated places lie at least partly in Desha County. Together they are home to 7,756 people (77.7%); the other 2,228 (22.3%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Dumas city, with 3,476 residents in the county. The county seat, Arkansas City city, has 336 residents. By land, McGehee city is the largest at 6.708 mi².
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Dumas city | 3,476 | −13% | 2.906 |
| McGehee city | 3,389 | −12.5% | 6.708 |
| Arkansas City cityCounty seat | 336 | −11.6% | 0.492 |
| Mitchellville city | 258 | −11% | 0.12 |
| Watson city | 160 | −12.6% | 0.2 |
| Reed town | 113 | −11% | 0.203 |
| Tillar cityAlso in 1 other county | 24 | −14.3% | 0.785 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Desha County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Desha 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
12 ZIP Code Tabulation Areas have land in Desha County; 8 of them have most of their land inside the county, and the others mainly cover neighboring areas.
387697163071638716397164371654716627166671670716747232872379
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 Desha County
Desha County shares a land border with 6 county equivalents, including 1 in Mississippi. It has more land than 3 of them. The largest neighbor is Arkansas County (992.1 mi²) and the smallest is Lincoln County (559.5 mi²). Together with its neighbors, Desha County forms a block of 5,325.3 mi² of land, of which it holds 13.9%.
| Bordering county equivalent | Land mi² | Size vs. Desha | Compare |
|---|---|---|---|
| Arkansas County | 992.1 | 1.3× larger | Compare |
| Bolivar CountyMississippi | 876.5 | 1.2× larger | Compare |
| Drew County | 828.7 | 1.1× larger | Compare |
| Phillips County | 690.4 | 1.1× smaller | Compare |
| Chicot County | 637 | 1.2× smaller | Compare |
| Lincoln County | 559.5 | 1.3× smaller | Compare |
How big is Desha County compared with U.S. states?
Desha County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.4 times as much. Arkansas’s county land could hold about 70 areas the size of Desha County.
Another way to picture it: the same land area would fill a square about 27.2 miles (43.8 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 Desha County?
Desha County has more land than 2,030 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 Desha County at #1,151 nationally by total area, 41 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 8.8%, compared with a national county-equivalent median of 1.2% — 7.6 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 Desha County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #1191 | Hughes County, South Dakota | 741.5 | Compare |
| #1192 | Desha County, Arkansas | 741.2 | This county |
| #1193 | Polk County, Oregon | 740.9 | 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 33.827684, -91.245151. 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: 1,919,768,387 m²; AWATER: 185,180,824 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 Desha County?
Desha County, Arkansas has 741.2 square miles (1,919.8 km²) of land and 71.5 square miles of water, for a total area of 812.7 square miles. It ranks #1192 of 3,222 U.S. county equivalents by land area.
Is Desha County the largest county in Arkansas?
No. Desha County ranks #23 of 75 in Arkansas by land area. The largest is Union County, with 1,039.1 square miles of land.
What counties border Desha County?
Desha County shares a land border with Bolivar County, Mississippi, Arkansas County, Lincoln County, Drew County, Chicot County, and Phillips County.
What is the population of Desha County?
The Census Bureau estimates Desha County had 9,984 residents on July 1, 2025, ranking #2,482 of 3,222 county equivalents. That is 13 people per square mile of land.
What is the county seat of Desha County?
The county seat of Desha County is Arkansas City.
What cities and towns are in Desha County?
Desha County has 7 incorporated places. The most populous five are Dumas city, McGehee city, Arkansas City city, Mitchellville city, and Watson city; 2,228 residents live outside any incorporated place.
Is Desha County part of a metropolitan area?
No. Desha County is outside every metropolitan and micropolitan statistical area in the July 2023 OMB delineation.
How many ZIP codes are in Desha County?
12 ZIP Code Tabulation Areas have land in Desha County, and 8 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Desha County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.4 times as much land.
How many acres of land are in Desha County?
The land measurement converts to approximately 474,385 acres. Including water, total area is approximately 520,145 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.