• county
  • FIPS 40001
  • Largest town: Stilwell

Adair County, Oklahoma

Adair County had 19,821 residents in the Census Vintage 2024 estimate, on 573.9 square miles of land. It ranks 41st of 77 in Oklahoma by population and 64th by land area.

Population
19,821
#41 of 77 in Oklahoma · #1,840 in US
Area
573.9 sq mi
#64 of 77 in Oklahoma · #1,739 in US
Density
35 / sq mi
#31 of 77 in Oklahoma · #1,804 in US
Median household income
$44,808
#71 of 77 in Oklahoma · #2,975 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Adair County within Oklahoma. Pin: Oklahoma City.

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Adair County population, land area and income

Adair County had 19,821 residents in the Census Vintage 2024 estimate, on 573.9 square miles of land. It ranks 41st of 77 in Oklahoma by population and 64th by land area. That works out to 34.5 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Oklahoma has 20,577 residents, about the same as Adair County.

Its SAIPE 2023 median household income of $44,808 is in the bottom quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

19,821

3144th1st

1840th of 3,144 (US)

Land area

574 sq mi

3144th1st

1739th of 3,144 (US)

Density

34.5 / sq mi

3144th1st

1804th of 3,144 (US)

Median household income

$44,808

3143rd1st

2975th of 3,143 (US)

Rank within Oklahoma (77)

Population

19,821

77th1st

41st of 77 (OK)

Land area

574 sq mi

77th1st

64th of 77 (OK)

Density

34.5 / sq mi

77th1st

31st of 77 (OK)

Median household income

$44,808

77th1st

71st of 77 (OK)

How Adair County's population changed since 2020

Adair County gained 363 residents between the July 2020 and July 2024 estimates, a rise of 1.9%. That ranks 34th of 77 in Oklahoma for growth. The median Oklahoma county changed by +0.8%, and the state as a whole by +3.3%.

Since the April 2020 estimates base, Adair County recorded 1,218 births and 1,346 deaths, a natural change of -128. Net international migration added +41 and net domestic migration, people moving to or from other US counties, came to +399. The largest single component was domestic migration, which added 399 people.

19.5k202019.4k202119.5k202219.6k202319.8k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,218
Deaths
1,346
Net international migration
+41
Net domestic migration
+399
Change, July 2023 to July 2024
+180

Where Adair County is

The Census internal point of Adair County is at 35.898000, -94.651000. It sits in UTM zone 15N. The map shades Oklahoma's 77 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Adair County outlined. Dots are towns of 1,000+ people with residents in it.

Kingfisher County: +4.2%Okfuskee County: +0.8%Creek County: +2.9%Carter County: +2.3%Hughes County: +0.2%Murray County: -0.9%Haskell County: +2.2%Cherokee County: +3.5%Grady County: +6.3%Canadian County: +16.9%Caddo County: -2.1%Garvin County: +1.9%Custer County: -0.6%Pushmataha County: +0.1%Mayes County: +2.8%Stephens County: +2.9%Dewey County: -4.6%Greer County: -1.1%Logan County: +8.3%Atoka County: +3.1%Nowata County: +2.5%Beckham County: -0.4%Cimarron County: -6.9%Harper County: -1.2%Cleveland County: +2.6%Texas County: -3.4%Marshall County: +5.3%Tulsa County: +3.4%McIntosh County: +4.0%Grant County: -1.3%Seminole County: -0.7%Garfield County: -1.1%Jackson County: -0.8%Blaine County: -1.5%Lincoln County: +4.4%Alfalfa County: +0.0%Jefferson County: +0.8%Okmulgee County: +1.1%Major County: -2.3%Noble County: -0.2%Oklahoma County: +2.3%Pawnee County: +3.5%Bryan County: +8.6%Payne County: +3.1%Adair County: +1.9%Harmon County: -6.5%Love County: +2.6%Craig County: +2.6%Rogers County: +6.3%Muskogee County: +0.8%Sequoyah County: +3.3%Delaware County: +3.4%Johnston County: +0.5%Pittsburg County: -0.9%Le Flore County: +3.4%McClain County: +15.6%Woodward County: -2.1%Ottawa County: +0.6%Choctaw County: -0.2%Cotton County: -0.6%Roger Mills County: -3.6%Washita County: -0.6%Coal County: +2.5%Pontotoc County: +0.6%Kiowa County: -2.8%Tillman County: -3.0%Ellis County: -3.9%Wagoner County: +12.1%Beaver County: -0.1%McCurtain County: -0.1%Kay County: -0.4%Pottawatomie County: +2.6%Osage County: +1.5%Comanche County: +0.2%Washington County: +2.8%Woods County: -0.2%Latimer County: +0.3%
Change 2020 to 2024
  1. < -1.1%
  2. < +0.0%
  3. < +2.2%
  4. < +3.3%
  5. ≥ +3.3%
no data

Orange pin: Adair County internal point. Dark pin: Oklahoma City.

Internal point

Decimal
35.898000, -94.651000
DMS
35°53'52.80"N 94°39'3.60"W
UTM
15N 351001.4E 3973894.2N
Geohash
9yksnpj1p
Plus code
8677V8XX+6H

Towns in Adair County

2 incorporated places of 1,000+ people have residents in Adair County, 5,275 people together, or 27% of the county. Each figure counts only the part of the town inside Adair County; towns marked "part" extend into another county. The largest is Stilwell with 3,855.

  1. 01Stilwell3,855
  2. 02Westville1,420
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Adair County

The Census 2024 county adjacency file lists 6 neighbors for Adair County, including 3 across a state line. The most populous is Benton County, AR, with 321,566 residents. Distances run between Census internal points in a straight line.

Distance to Oklahoma City and the nearest big city

Oklahoma City is 162.5 miles W of Adair County's internal point in a straight line. The nearest place of 100,000 or more is Fayetteville, AR (population 103,134), 29.6 miles away. The nearest place of 10,000 or more is Tahlequah, OK (population 17,319), 18.3 miles away.

Adair County FIPS code

The FIPS code of Adair County is 40001: state code 40 for Oklahoma plus county code 001. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $44,808.

Questions people ask

What is the population of Adair County, Oklahoma?

The Census Vintage 2024 estimate for July 1, 2024 is 19,821. That is up 363 people (1.9%) from the July 2020 estimate of 19,458.

What is the FIPS code of Adair County?

40001. The first two digits (40) are Oklahoma; the last three (001) identify the county.

What is the largest town in Adair County?

Stilwell, with 3,855 residents inside Adair County in 2024.

Which counties border Adair County?

6 county-equivalents border it in the Census 2024 adjacency file: Benton County, AR; Washington County, AR; Crawford County, AR; Cherokee County, OK; Delaware County, OK; Sequoyah County, OK.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.