County outline
Where Washita County is located
Area breakdown
Land accounts for 99.4% of Washita County’s measured area and water for 0.6%. Its combined area converts to 2,612.6 square kilometers or approximately 645,580 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 1,003.089 | 2,597.989 | 641,977 |
| Water | 5.629 | 14.579 | 3,602.6 |
| Total | 1,008.718 | 2,612.568 | 645,579.5 |
How Washita County compares
By original Census land area, Washita County ranks #19 of 77 in Oklahoma and #677 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.25 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 1.5% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Washita County
The Census Bureau estimates that 10,884 people lived in Washita County on July 1, 2025. That ranks #2,424 of 3,222 county equivalents nationally and #54 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 10,921, the population has declined by 37 (−0.3%), compared with +4.1% for Oklahoma as a whole.
With 1,003.1 square miles of land, that is 11 people per square mile (4.2 per km²), placing Washita County #2,620 nationally for density and #57 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 59 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 10,903 | 10,909 | 10,718 | 10,727 | 10,820 | 10,884 |
| Change | — | +6 | −191 | +9 | +93 | +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 Washita County
11 incorporated places lie at least partly in Washita County. Together they are home to 7,433 people (68.3%); the other 3,451 (31.7%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is New Cordell city, with 2,746 residents in the county. By land, Clinton city is the largest at 9.947 mi² across all its counties.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| New Cordell cityCounty seat | 2,746 | −0.7% | 2.249 |
| Burns Flat town | 1,918 | −1.7% | 0.866 |
| Sentinel town | 756 | −0.3% | 0.622 |
| Corn town | 589 | −1% | 0.349 |
| Canute town | 488 | +1.2% | 0.631 |
| Dill City town | 417 | 0% | 0.578 |
| Bessie town | 182 | +0.6% | 0.518 |
| Rocky town | 126 | −0.8% | 0.21 |
| Colony town | 106 | −0.9% | 0.922 |
| Foss town | 105 | +1% | 0.736 |
| Clinton cityAlso in 1 other county | 0 | — | 9.947 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Washita County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Washita County is an outlying county of the Weatherford, OK Micropolitan Statistical Area. Its 2 county equivalents have 39,059 residents on 1,991.9 square miles of land; Washita County accounts for 50.4% of the land and 27.9% of the residents. By combined land it ranks #80 of 542 micropolitan areas, and #332 by population. It belongs to the Weatherford-Elk City, OK Combined Statistical Area.
| County equivalent | Population 2025 | Land mi² |
|---|---|---|
| Custer County | 28,175 | 988.8 |
| Washita County | 10,884 | 1,003.1 |
ZIP codes
18 ZIP Code Tabulation Areas have land in Washita County; 10 of them have most of their land inside the county, and the others mainly cover neighboring areas.
730157302173024730417306273096736017362273624736267362773632736417364473647736557366173664
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 Washita County
Washita County shares a land border with 4 county equivalents. It has more land than 2 of them. The largest neighbor is Caddo County (1,277.8 mi²) and the smallest is Beckham County (901.7 mi²). Together with its neighbors, Washita County forms a block of 5,186.4 mi² of land, of which it holds 19.3%.
| Bordering county equivalent | Land mi² | Size vs. Washita | Compare |
|---|---|---|---|
| Caddo County | 1,277.8 | 1.3× larger | Compare |
| Kiowa County | 1,015.1 | about the same | Compare |
| Custer County | 988.8 | about the same | Compare |
| Beckham County | 901.7 | 1.1× smaller | Compare |
How big is Washita County compared with U.S. states?
Washita 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 times as much. Oklahoma’s county land could hold about 68 areas the size of Washita County.
Another way to picture it: the same land area would fill a square about 31.7 miles (51 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 Washita County?
Washita County has more land than 2,545 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 Washita County at #764 nationally by total area, 87 places farther from the top than its land rank. Other county equivalents gain more area when their water measurements are included.
Its water share is 0.6%, compared with a national county-equivalent median of 1.2% — 0.6 percentage points lower. 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 Washita County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #676 | Shannon County, Missouri | 1,003.8 | Compare |
| #677 | Washita County, Oklahoma | 1,003.1 | This county |
| #678 | Otsego County, New York | 1,001.7 | 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 35.288485, -98.992126. 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: 2,597,989,567 m²; AWATER: 14,579,002 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 Washita County?
Washita County, Oklahoma has 1,003.1 square miles (2,598 km²) of land and 5.629 square miles of water, for a total area of 1,008.7 square miles. It ranks #677 of 3,222 U.S. county equivalents by land area.
Is Washita County the largest county in Oklahoma?
No. Washita County ranks #19 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Washita County?
Washita County shares a land border with Kiowa County, Custer County, Caddo County, and Beckham County.
What is the population of Washita County?
The Census Bureau estimates Washita County had 10,884 residents on July 1, 2025, ranking #2,424 of 3,222 county equivalents. That is 11 people per square mile of land.
What is the county seat of Washita County?
The county seat of Washita County is New Cordell.
What cities and towns are in Washita County?
Washita County has 11 incorporated places. The most populous five are New Cordell city, Burns Flat town, Sentinel town, Corn town, and Canute town; 3,451 residents live outside any incorporated place.
Is Washita County part of a metropolitan area?
Yes. It is an outlying county of the Weatherford, OK Micropolitan Statistical Area, which has 2 county equivalents and 39,059 residents.
How many ZIP codes are in Washita County?
18 ZIP Code Tabulation Areas have land in Washita County, and 10 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Washita County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1 times as much land.
How many acres of land are in Washita County?
The land measurement converts to approximately 641,977 acres. Including water, total area is approximately 645,580 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.