What is the population of Adair County?

The population of Adair County, OK is 21,955.

Where is Adair County located?

Adair County, OK is located at latitude 35.8839300 and longitude -94.6586800. It is in United States.

What is the area of Adair County?

The area of Adair County, OK is 1494 km².

What is the elevation of Adair County?

Adair County, OK has an elevation of 389 meters (1276 feet) above sea level.

What time zone is Adair County in?

Adair County, OK is in the America/Chicago time zone.

How has the population of Adair County changed?

The population of Adair County, OK has decreased from 22,683 (2010) to 21,955 (2020), a change of -3.2%.

Adair County, Oklahoma

Adair County: county in Oklahoma, United States

About

Adair County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 22,683 and a population density of 15 people per km². After 10 years in 2020 county had an estimated population of 21,955 inhabitants. Its county seat is Stilwell. The county was created 118 years ago in 1907.

Adair County locator map — Location of Adair County on Oklahoma map.

County Snapshot

Adair County at a glance

Adair County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Oklahoma counties

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Largest city

Stilwell

Population 4,010

Quick Facts about Adair County

Population	21,955 (2020)
Country	United States of America
State	Oklahoma (United States)
Different from	Adair County, Adair County, Adair County
Area	1494 km²
Water as percent of area	0.6%
Land as percent of area	99.4%
Latitude & Longitude	35.8839,-94.6587
Named for	William Penn Adair
Capital	Stilwell
Establishment	July 16, 1907
Time Zone	America/Chicago
Local time	17:14:21 (18th April 2026)
Density	15 Pop. per km² as of 2020
Population growth	-3.32% (2010-2020)
Weather	62℉ Chance Showers And Thunderstorms then Mostly Sunny 7-days weather

Adair County Oklahoma courthouse image

Geography

Adair County is located at 35°53'2"N 94°39'31"W (35.8839300, -94.6586800). It has 6 neighbors: Benton County, Crawford County, Washington County, Cherokee County, Delaware County and Sequoyah County.

Adair County map

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The largest city of Adair County is Stilwell with a population of 4,010. Other cities include, Westville population 1,533 and Watts population 307. See all Adair County cities & populated places.

Adair County Populated Places

Cities, towns, neighborhoods & other populated places in Adair County.

City Name	Population	Title
Stilwell	4,010	City in Oklahoma
Marietta	2,751	Census-designated place in Adair County, Oklahoma, United States
Westville	1,533	Town in Adair County, Oklahoma, United States
Cherry Tree	883	Census designated place
Watts	307	Town in Oklahoma, United States

Weather

62°F

Chance Showers And Thunderstorms then Mostly Sunny

15 mph N Saturday

A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 62. North wind around 15 mph, with gusts as high as 30 mph. Chance of...

7-Day Forecast

Adair County has 6 neighbours.

Benton County county in Arkansas, United States
Crawford County county in Arkansas, United States
Washington County county in Arkansas, United States
Cherokee County county in Oklahoma, United States
Delaware County county in Oklahoma, United States
Sequoyah County county in Oklahoma, United States

Demographics

According to census records, the population of Adair County decreased by 3.32% in 10 years.

Year	Population	% Change	Method
2010	22,683	-	census
2011	22,667	-0.07%	estimation process
2012	22,468	-0.89%	estimation process
2013	22,460	-0.04%	estimation process
2014	22,384	-0.34%	estimation process
2015	22,259	-0.56%	estimation process
2016	22,305	0.21%	estimation process
2017	22,119	-0.84%	estimation process
2018	22,224	0.47%	estimation process
2019	22,194	-0.14%	estimation process
2020	21,955	-1.09%	estimation process

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Other places with the same name (3)

Adair County, Missouri county in Oklahoma, United States with a population of 25,399 people.
Adair County, Kentucky county in Kentucky, United States with a population of 19,555 people.
Adair County, Iowa county in Iowa, United States with a population of 7,059 people.

Oklahoma Other Counties (more counties)

County Name	Population	Title
Oklahoma County	804,041	County in Oklahoma, United States
Tulsa County	657,589	County in Oklahoma, United States of America
Oklahoma City	655,057	The twenty-seventh most populous city in the United States and the center of the Oklahoma City metropolitan area.
Tulsa	403,166	The second most populous city in Oklahoma and the center of the Tulsa metropolitan area.
Cleveland County	287,066	County in North Carolina, United States
Canadian County	153,192	County in Oklahoma, United States
Norman	125,762	The second most populous city in Oklahoma.
Comanche County	121,099	County in Oklahoma, United States
Broken Arrow	111,648	The most populous city in Tulsa County, Oklahoma.
Edmond	95,346	The fourth most populous city in Oklahoma County, Oklahoma.
Lawton	93,164	The most populous city in Comanche County, Oklahoma.
Rogers County	93,155	County in Oklahoma, United States
Wagoner County	82,925	County in Oklahoma, United States of America
Payne County	81,755	County in Oklahoma, United States
Pottawatomie County	72,998	County in Oklahoma, United States
Creek County	71,485	County in Oklahoma, United States