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Population of Counties in Oklahoma (2024)

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2024 Population
Growth Since 2020
Area (mi²)
Density (/mi²)
Oklahoma County814,6292.05%7091,149Oklahoma County location
Tulsa County688,6752.68%5701,208Tulsa County location
Cleveland County302,9022.25%539562Cleveland County location
Canadian County182,40417.35%897203Canadian County location
Comanche County120,923-0.17%1.1K113Comanche County location
Rogers County101,4366.34%676150Rogers County location
Wagoner County91,86312.88%562163Wagoner County location
Payne County84,0032.88%685123Payne County location
Pottawatomie County74,2312.3%78894Pottawatomie County location
Creek County73,9782.97%95078Creek County location
Muskogee County67,0471.21%81183Muskogee County location
Garfield County62,095-0.95%1.1K59Garfield County location
Grady County58,1025.87%1.1K53Grady County location
Washington County54,1742.96%416130Washington County location
Logan County54,1348.84%74473Logan County location
Le Flore County50,1904.14%1.6K32Le Flore County location
Bryan County49,8967.7%90455Bryan County location
Carter County48,8561.69%82259Carter County location
McClain County48,73416.27%57185McClain County location
Cherokee County48,2962.55%74964Cherokee County location
Osage County46,4081.36%2.2K21Osage County location
Stephens County44,4123.71%87051Stephens County location
Kay County43,544-0.13%92047Kay County location
Pittsburg County43,482-0.7%1.3K33Pittsburg County location
Delaware County41,9263.8%73857Delaware County location
Sequoyah County40,7813.88%67461Sequoyah County location
Mayes County40,2082.94%65561Mayes County location
Pontotoc County38,7601.75%72054Pontotoc County location
Okmulgee County37,0591%69753Okmulgee County location
Lincoln County34,9904.45%95237Lincoln County location
McCurtain County30,547-0.99%1.9K17McCurtain County location
Ottawa County30,2450.08%47164Ottawa County location
Custer County28,4930.15%98929Custer County location
Caddo County26,191-2.67%1.3K20Caddo County location
Garvin County25,9591.22%80232Garvin County location
Jackson County24,679-0.27%80331Jackson County location
Seminole County23,6660.63%63337Seminole County location
Beckham County22,108-1.01%90225Beckham County location
Texas County20,237-4.94%2K10Texas County location
Woodward County19,879-2.61%1.2K16Woodward County location
McIntosh County19,8034.5%61832McIntosh County location
Adair County19,7381.45%57434Adair County location
Pawnee County16,0473.15%56828Pawnee County location
Marshall County16,0194.43%37143Marshall County location
Kingfisher County15,7343.66%89818Kingfisher County location
Craig County14,8124.75%76119Craig County location
Atoka County14,7233.94%97515Atoka County location
Choctaw County14,145-0.42%77018Choctaw County location
Murray County13,827-0.35%41633Murray County location
Hughes County13,4380.69%80417Hughes County location
Haskell County11,9973.87%57721Haskell County location
Okfuskee County11,3730.93%61818Okfuskee County location
Pushmataha County10,8910.92%1.4K8Pushmataha County location
Noble County10,819-0.99%73215Noble County location
Washita County10,736-1.53%1K11Washita County location
Love County10,4182.56%51420Love County location
Johnston County10,086-1.59%64316Johnston County location
Latimer County9,4960.18%72213Latimer County location
Nowata County9,4631.53%56617Nowata County location
Blaine County8,633-0.78%9289Blaine County location
Woods County8,526-0.84%1.3K7Woods County location
Kiowa County8,316-2.18%1K8Kiowa County location
Major County7,626-1.55%9558Major County location
Tillman County6,767-2.59%8718Tillman County location
Alfalfa County5,657-0.95%8677Alfalfa County location
Cotton County5,405-2.35%6339Cotton County location
Greer County5,386-1.93%6398Greer County location
Jefferson County5,286-0.68%7597Jefferson County location
Coal County5,241-0.72%51710Coal County location
Beaver County5,017-0.26%1.8K3Beaver County location
Dewey County4,168-6.86%1K4Dewey County location
Grant County4,044-3.25%1K4Grant County location
Ellis County3,613-3.37%1.2K3Ellis County location
Roger Mills County3,253-5.13%1.1K3Roger Mills County location
Harper County3,215-1.14%1K3Harper County location
Harmon County2,368-4.36%5374Harmon County location
Cimarron County2,149-6.12%1.8K1Cimarron County location
showing: 77 rows

There are 77 counties in Oklahoma. The most populated county in the state of Oklahoma is Oklahoma County, home to Oklahoma City. With a population of 792,582 residents, Oklahoma County has experienced a 9.96% rate of growth since the last census in 2010. Coming up after Oklahoma City in terms of size are Tulsa County (648,360) home to the city of Tulsa, Cleveland County (281,669), Canadian County (114,447), and Comanche County (120,422). These are the only Oklahoma counties with more than 100,000 residents. All experienced population growth since 2010 except Comanche County which declined 3.97%. The most significant growth was in Canadian County with an impressive growth rate of 24.16%.

Oklahoma Countries with the Fewest Residents

The least populated county in Oklahoma is Cimarron County. As of 2019, Cimarron County has a population of 2,153, having declined 12.80% since the 2010 census. Harmon County (2,664), Roger Mills County (3,656), Harper County (3,797), Ellis County (3,952), Grant County (4,326), and Dewey County (4,894) are other small counties in Oklahoma with a population of fewer than 5,000 residents. Of these counties, Cimarron County experienced the most dramatic population decline and Harper County experienced the largest growth rate of 2.70%.

Oklahoma Counties with Rapid Growth

Since the last U.S. census was taken in 2010, the fastest-growing county in Oklahoma has been Canadian County. With a rate of growth of 24.16%, the population of Canadian County now stands at 144,447. Behind Canadian County are McClain County (15.11%), Logan Country (12.45%), and Bryan County (10.82%). The county with the biggest decrease in population is Cimarron County, which, since 2010, has lost 12.8% of its residents.

Population of Counties in Oklahoma (2024)

Lists of Counties in all States

  1. Oklahoma Department of Commerce
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)