McCurtain County area

Population and density of McCurtain County

The Census Bureau estimates that 30,744 people lived in McCurtain County on July 1, 2025. That ranks #1,461 of 3,222 county equivalents nationally and #31 of 77 in Oklahoma. Since the April 1, 2020 estimates base of 30,811, the population has declined by 67 (−0.2%), compared with +4.1% for Oklahoma as a whole.

With 1,850.8 square miles of land, that is 17 people per square mile (6.4 per km²), placing McCurtain County #2,425 nationally for density and #51 in Oklahoma. The median county equivalent has 47 people per square mile; the Oklahoma median is 28. Put another way, there are about 39 acres of land per resident.

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 McCurtain County

8 incorporated places lie at least partly in McCurtain County. Together they are home to 13,480 people (43.8%); the other 17,264 (56.2%) live outside any incorporated place, in unincorporated communities and rural areas.

The largest is Idabel city, with 6,934 residents in the county. Among places with at least 1,000 residents in 2020, Broken Bow city grew fastest since then (+0.8%).

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

Metropolitan area

McCurtain 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

16 ZIP Code Tabulation Areas have land in McCurtain County; 14 of them have most of their land inside the county, and the others mainly cover neighboring areas.

71937747227472474728747347473674737747407474574750747547475574764747667495774963

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 McCurtain County

McCurtain County shares a land border with 8 county equivalents, including 5 in Texas and Arkansas. It has more land than every one of them. The largest neighbor is Le Flore County (1,589.4 mi²) and the smallest is Little River County (531.3 mi²). Together with its neighbors, McCurtain County forms a block of 9,486.7 mi² of land, of which it holds 19.5%.

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

McCurtain County has more land than 1 of the 50 states. It is about 1.8 times the land area of Rhode Island (1,033.9 mi²), while Delaware, the next larger state, has 1.1 times as much land (1,948.6 mi²). Oklahoma’s county land could hold about 37 areas the size of McCurtain County.

Another way to picture it: the same land area would fill a square about 43 miles (69.2 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 McCurtain County?

McCurtain County has more land than 2,907 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 McCurtain County at #343 nationally by total area, 28 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 2.7%, compared with a national county-equivalent median of 1.2% — 1.5 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 McCurtain County in the national ranking. They can be in different states and are not necessarily geographic neighbors.

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.