RANKING · 2020 CENSUS · 77 SHOWN OF 77

Largest by population, Oklahoma counties · 2020

The most populous Oklahoma counties as of the 2020 population estimates. This list covers the 77 counties in Oklahoma that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Oklahoma County, OKOK796,292+21%

02Tulsa County, OKOK669,279+19%

03Cleveland County, OKOK295,528+42%

04Canadian County, OKOK154,405+76%

05Comanche County, OKOK121,125+5%

06Rogers County, OKOK95,240+35%

07Payne County, OKOK81,646+20%

08Wagoner County, OKOK80,981+41%

09Pottawatomie County, OKOK72,454+11%

10Creek County, OKOK71,754+7%

11Muskogee County, OKOK66,339−4%

12Garfield County, OKOK62,846+9%

13Grady County, OKOK54,795+20%

14Washington County, OKOK52,455+7%

15Logan County, OKOK49,555+46%

16Le Flore County, OKOK48,129+0%

17Carter County, OKOK48,003+5%

18Cherokee County, OKOK47,078+11%

19Bryan County, OKOK46,067+26%

20Osage County, OKOK45,818+3%

21Pittsburg County, OKOK43,773−0%

22Kay County, OKOK43,700−9%

23Stephens County, OKOK42,848−1%

24McClain County, OKOK41,662+50%

25Delaware County, OKOK40,397+9%

26Sequoyah County, OKOK39,281+1%

27Mayes County, OKOK39,046+2%

28Pontotoc County, OKOK38,065+8%

29Okmulgee County, OKOK36,706−8%

30Lincoln County, OKOK33,458+4%

31McCurtain County, OKOK30,814−10%

32Ottawa County, OKOK30,285−9%

33Custer County, OKOK28,513+9%

34Caddo County, OKOK26,945−11%

35Garvin County, OKOK25,656−6%

36Jackson County, OKOK24,785−13%

37Seminole County, OKOK23,556−5%

38Beckham County, OKOK22,410+13%

39Texas County, OKOK21,384+6%

40Woodward County, OKOK20,470+11%

41Adair County, OKOK19,495−7%

42McIntosh County, OKOK18,941−3%

43Pawnee County, OKOK15,553−6%

44Marshall County, OKOK15,312+16%

45Kingfisher County, OKOK15,184+9%

46Choctaw County, OKOK14,204−7%

47Atoka County, OKOK14,143+2%

48Craig County, OKOK14,107−6%

49Murray County, OKOK13,904+10%

50Hughes County, OKOK13,367−6%

51Haskell County, OKOK11,561−2%

52Okfuskee County, OKOK11,310−4%

53Noble County, OKOK10,924−4%

54Washita County, OKOK10,924−5%

55Pushmataha County, OKOK10,812−7%

56Johnston County, OKOK10,272−2%

57Love County, OKOK10,146+15%

58Latimer County, OKOK9,444−12%

59Nowata County, OKOK9,320−12%

60Blaine County, OKOK8,735−27%

61Woods County, OKOK8,624−5%

62Kiowa County, OKOK8,509−17%

63Major County, OKOK7,782+3%

64Tillman County, OKOK6,968−25%

65Alfalfa County, OKOK5,699−7%

66Cotton County, OKOK5,527−16%

67Greer County, OKOK5,491−9%

68Jefferson County, OKOK5,337−22%

69Coal County, OKOK5,266−13%

70Beaver County, OKOK5,049−14%

71Dewey County, OKOK4,484−5%

72Grant County, OKOK4,169−19%

73Ellis County, OKOK3,749−8%

74Roger Mills County, OKOK3,442+0%

75Harper County, OKOK3,272−8%

76Harmon County, OKOK2,488−24%

77Cimarron County, OKOK2,296−27%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS