McCurtain County is in the southeastern corner of the U.S. state of Oklahoma. As of the 2020 census, its population was 30,814.^[1] Its county seat is Idabel.^[2] It was formed at statehood from part of the earlier Choctaw Nation in Indian Territory.^[3] The name honors an influential Choctaw family who lived in the area. Green McCurtain was the last chief when Oklahoma became a state in 1907.^[4]

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McCurtain County
County
The McCurtain County Courthouse is located downtown in Idabel.
Location within the U.S. state of Oklahoma
Oklahoma's location within the U.S.
Coordinates: 34.11°N 94.77°W / 34.11; -94.77
Country	United States
State	Oklahoma
Founded	1907
Named for	An influential Choctaw Indian family
Seat	Idabel
Largest city	Idabel
Area
• Total	1,902 sq mi (4,930 km2)
• Land	1,850 sq mi (4,800 km2)
• Water	52 sq mi (130 km2)  2.8%
Population  (2020)
• Total	30,814
• Estimate  (2022)	30,931
• Density	16.6/sq mi (6.4/km2)
Congressional district	2nd

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The area now included in McCurtain County was part of the Choctaw Nation before Oklahoma became a state. The territory of the present-day county fell within the Apukshunnubbee District, one of three administrative superregions comprising the Choctaw Nation, and was divided among six of its counties: Bok Tuklo, Cedar, Eagle, Nashoba, Red River, and Towson.^[5] In the 1820s, it was a major part of Miller County, Arkansas Territory.

The area was sparsely populated, with no roads or bridges and no towns. Post offices were established at small trading posts along the various trails. Towns began to form when the Arkansas and Choctaw Railway (later the St. Louis and San Francisco Railway) was built across the area in 1902. Between 1910 and 1921, the Choctaw Lumber Company laid tracks for the Texas, Oklahoma and Eastern Railroad from Valliant, Oklahoma, to DeQueen, Arkansas. These roads still served the area at the beginning of the 21st century.^[3]

Initially, the county experienced difficulty functioning because of lack of funds. When the Choctaws accepted their land allotments, their homesteads were not taxable for 21 years. No roads were built until a decade after statehood. With no bridges, ferries carried people and vehicles across the major streams.^[3]

Beavers Bend State Park was opened in 1937, establishing the region as a tourism destination due to the variety of recreational activities it offers.

The death of Henry Lee Johnson in 1980 resulted in a riot in Idabel, Oklahoma, that killed two.^[6]

The only F5 tornado in April in Oklahoma occurred in this county on April 2, 1982.^[7]

McCurtain County's location in southeastern Oklahoma places it within a 10-county area designated for tourism purposes by the Oklahoma Department of Tourism and Recreation as Choctaw Country.^[11] According to the U.S. Census Bureau, the county has an area of 1,902 square miles (4,930 km²), of which 52 square miles (130 km²) (2.8%) are covered by water.^[12]

It is the third-largest county in Oklahoma by area.^[3] The terrain of McCurtain County varies from the foothills of the Ouachita Mountains in the northern part of the county to the rich Red River bottoms of the southern part. Sections of the Mountain Fork and Little River drainages lie in McCurtain County. The Glover River originates in McCurtain County and flows 33.2 miles (53.4 km) to its confluence with the Little River southeast of Wright City. Broken Bow Lake was created in 1968 by damming the Mountain Fork River; the river is one of the state's two year-round trout fisheries. The lowest point in the state of Oklahoma is on the Little River in McCurtain County, where it flows out of Oklahoma and into Arkansas.^[3] McCurtain County is the only documented part of Oklahoma, together with Choctaw County, within the natural range of the American alligator.^[13]

The county also contains the McCurtain County Wilderness Area, a 14,087-acre tract created in 1918 and managed by the Oklahoma Department of Wildlife Conservation, and the Little River National Wildlife Refuge, which is managed by the U.S. Fish and Wildlife Service.^[14]

The county contains the location (Smithville) with the highest annual average precipitation in the state, at 55.71 inches.^[15]

At the 2000 census, 34,402 people, 13,216 households, and 9,541 families lived in the county. The population density was 7/km² (18/sq mi). The 15,427 housing units had an average density of 3/km² (7.8/sq mi). The racial makup of the county was 70.54% White, 9.30% Black or African American, 13.57% Native American, 0.22% Asian, 0.01% Pacific Islander, 1.34% from other races, and 5.02% from two or more races; 3.09%^[21] were Hispanic or Latino of any race, while 28.6% were of American, 7.6% Irish, and 5.9% English ancestry. Of the inhabitants, 94.4% spoke English, 2.9% Spanish, and 2.6% Choctaw as their first language. By 2020, its population declined to 30,814.^[1]

Of the 13,216 households, 34.0% had children under 18 living with them, 53.3% were married couples living together, 14.6% had a female householder with no husband present, and 27.8% were not families. Of households, 25.4% were one person and 11.0% were one person 65 or older. The average household size was 2.56 and the average family size was 3.06.

The age distribution was 28.2% under 18, 8.3% from 18 to 24, 26.2% from 25 to 44, 23.4% from 45 to 64, and 14.0% 65 or older. The median age was 36 years. For every 100 females, there were 92.80 males. For every 100 females age 18 and over, there were 89.10 males.

The median household income was $24,162 and the median family income was $29,933. Males had a median income of $26,528 versus $17,869 for females. The per capita income for the county was $13,693. About 21.0% of families and 24.7% of the population were below the poverty line, including 32.4% of those under 18 and 21.2% of those 65 or over.

McCurtain County is home to a significant Native American population and had a Democratic registration advantage well into the 2010s, but has not voted for a Democratic presidential nominee in the 21st century. Unlike in other Native-administered counties, the rightward shift only increased after the 2004 election, with Republican presidential nominees winning well over 70% of the vote during the Obama era and topping out with 82.7% for Donald Trump in 2020.

Agriculture and forestry have dominated the county's economy. The dense forests that originally covered the area were cleared and processed within two decades after statehood. The cleared lands then became subsistence farms. Cotton was the main money crop, until the cotton market collapsed during the Great Depression. Cattle raising, as well as production of swine and poultry, replaced cotton farming in importance. Cotton farms in the Red River Valley began raising grains and forage, instead.^[3]

Natural reseeding and active reforestation projects, both public and private, have replenished much of the harvested forest area. This revitalized the timber industry, which is again important to the county economy.^[3] Limestone, sand and gravel are extracted for extensive local use.^[3]

• Harry Rossoll, creator of Smokey Bear and artist for the Forest Heritage Center diorama exhibits

• National Register of Historic Places listings in McCurtain County, Oklahoma