County outline
Where Beckham County is located
Area breakdown
Land accounts for 99.8% of Beckham County’s measured area and water for 0.2%. Its combined area converts to 2,340.8 square kilometers or approximately 578,436 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 901.675 | 2,335.328 | 577,072 |
| Water | 2.132 | 5.522 | 1,364.5 |
| Total | 903.807 | 2,340.849 | 578,436.5 |
How Beckham County compares
By original Census land area, Beckham County ranks #30 of 77 in Oklahoma and #846 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 1.123 times the Oklahoma county-equivalent median of 802.7 square miles. It accounts for 1.3% of the combined county land area in the state.
See the complete Oklahoma ranking · What counts as a county equivalent?
Population and density of Beckham County
The Census Bureau estimates that 22,159 people lived in Beckham County on July 1, 2025. That ranks #1,769 of 3,222 county equivalents nationally and #38 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 22,407, the population has declined by 248 (−1.1%), compared with +4.1% for Oklahoma as a whole.
With 901.7 square miles of land, that is 25 people per square mile (9.5 per km²), placing Beckham County #2,156 nationally for density and #40 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 26 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 22,326 | 22,021 | 21,956 | 22,094 | 22,186 | 22,159 |
| Change | — | −305 | −65 | +138 | +92 | −27 |
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 Beckham County
6 incorporated places lie at least partly in Beckham County. Together they are home to 17,406 people (78.6%); the other 4,753 (21.4%) live outside any incorporated place, in unincorporated communities and rural areas.
The largest is Elk City city, with 11,335 residents in the county. The county seat, Sayre city, has 4,783 residents.
| Incorporated place | Population 2025 | Since 2020 | Land mi² |
|---|---|---|---|
| Elk City city | 11,335 | −2% | 16.1 |
| Sayre cityCounty seat | 4,783 | −0.5% | 5.392 |
| Erick city | 979 | −1.3% | 0.944 |
| Carter town | 182 | −1.1% | 0.532 |
| Sweetwater townAlso in 1 other county | 86 | +3.6% | 15.9 |
| Texola town | 41 | −2.4% | 0.612 |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each place inside Beckham County. Land: 2026 Census Gazetteer, for the whole place even where it extends into other counties. How communities are listed.
Metropolitan area
Beckham County is a central county of the Elk City, OK Micropolitan Statistical Area. Beckham County is the area’s only county equivalent, so the micro area has the same 901.7 square miles of land. By combined land it ranks #213 of 542 micropolitan areas, and #496 by population. It belongs to the Weatherford-Elk City, OK Combined Statistical Area.
ZIP codes
7 ZIP Code Tabulation Areas have land in Beckham County; 5 of them have most of their land inside the county, and the others mainly cover neighboring areas.
73627736447364573662736667366873673
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 Beckham County
Beckham County shares a land border with 8 county equivalents, including 2 in Texas. It has more land than 2 of them. The largest neighbor is Roger Mills County (1,141.1 mi²) and the smallest is Harmon County (537.3 mi²). Together with its neighbors, Beckham County forms a block of 8,059.3 mi² of land, of which it holds 11.2%.
| Bordering county equivalent | Land mi² | Size vs. Beckham | Compare |
|---|---|---|---|
| Roger Mills County | 1,141.1 | 1.3× larger | Compare |
| Kiowa County | 1,015.1 | 1.1× larger | Compare |
| Washita County | 1,003.1 | 1.1× larger | Compare |
| Custer County | 988.8 | 1.1× larger | Compare |
| Collingsworth CountyTexas | 918.4 | about the same | Compare |
| Wheeler CountyTexas | 914.5 | about the same | Compare |
| Greer County | 639.3 | 1.4× smaller | Compare |
| Harmon County | 537.3 | 1.7× smaller | Compare |
How big is Beckham County compared with U.S. states?
Beckham County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 1.1 times as much. Oklahoma’s county land could hold about 76 areas the size of Beckham County.
Another way to picture it: the same land area would fill a square about 30 miles (48.3 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 Beckham County?
Beckham County has more land than 2,376 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 Beckham County at #956 nationally by total area, 110 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 0.2%, compared with a national county-equivalent median of 1.2% — 0.9 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 Beckham County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #845 | Dickens County, Texas | 901.7 | Compare |
| #846 | Beckham County, Oklahoma | 901.7 | This county |
| #847 | Monroe County, Wisconsin | 900.9 | 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 35.270601, -99.690057. 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: 2,335,328,719 m²; AWATER: 5,521,746 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 Beckham County?
Beckham County, Oklahoma has 901.7 square miles (2,335.3 km²) of land and 2.132 square miles of water, for a total area of 903.8 square miles. It ranks #846 of 3,222 U.S. county equivalents by land area.
Is Beckham County the largest county in Oklahoma?
No. Beckham County ranks #30 of 77 in Oklahoma by land area. The largest is Osage County, with 2,246.7 square miles of land.
What counties border Beckham County?
Beckham County shares a land border with Roger Mills County, Greer County, Washita County, Wheeler County, Texas, Collingsworth County, Texas, Harmon County, Custer County, and Kiowa County.
What is the population of Beckham County?
The Census Bureau estimates Beckham County had 22,159 residents on July 1, 2025, ranking #1,769 of 3,222 county equivalents. That is 25 people per square mile of land.
What is the county seat of Beckham County?
The county seat of Beckham County is Sayre.
What cities and towns are in Beckham County?
Beckham County has 6 incorporated places. The most populous five are Elk City city, Sayre city, Erick city, Carter town, and Sweetwater town; 4,753 residents live outside any incorporated place.
Is Beckham County part of a metropolitan area?
Yes. It is a central county of the Elk City, OK Micropolitan Statistical Area.
How many ZIP codes are in Beckham County?
7 ZIP Code Tabulation Areas have land in Beckham 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 Beckham County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 1.1 times as much land.
How many acres of land are in Beckham County?
The land measurement converts to approximately 577,072 acres. Including water, total area is approximately 578,436 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.