RANKING · 2000 CENSUS · 77 SHOWN OF 77

Oldest by median age, Oklahoma counties · 2000

Oklahoma counties ranked by median age of residents (2000 ACS). This list covers the 77 counties in Oklahoma that qualify, ranked against each other statewide. The median across all 77 is 38.1.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 1990

01Ellis County, OKOK3,61345.3+15%

02McIntosh County, OKOK19,75844.1+5%

03Harper County, OKOK3,17243.1+11%

04Dewey County, OKOK4,20743.0+12%

05Alfalfa County, OKOK5,64942.3+5%

06Roger Mills County, OKOK3,25941.7+16%

07Major County, OKOK7,53641.6+12%

08Grant County, OKOK4,06741.4+6%

09Marshall County, OKOK16,25541.3+1%

10Kiowa County, OKOK8,18140.9+7%

11Delaware County, OKOK41,91040.8+2%

12Jefferson County, OKOK5,43140.4+4%

13Pushmataha County, OKOK10,80740.1+4%

14Stephens County, OKOK44,31040.1+9%

15Washington County, OKOK54,03740.1+9%

16Greer County, OKOK5,37340.0−2%

17Harmon County, OKOK2,32739.9+6%

18Murray County, OKOK13,80539.8+2%

19Love County, OKOK10,78039.4+9%

20Pittsburg County, OKOK43,32039.4+5%

21Beaver County, OKOK4,88239.3+9%

22Cimarron County, OKOK2,05939.3+4%

23Craig County, OKOK14,51839.3+3%

24Hughes County, OKOK13,45539.3−3%

25Washita County, OKOK10,88439.2+6%

26Garvin County, OKOK26,37739.0+5%

27Nowata County, OKOK9,52239.0+1%

28Tillman County, OKOK6,78038.9+7%

29Choctaw County, OKOK14,05938.7+7%

30Cotton County, OKOK5,43238.6+3%

31Haskell County, OKOK11,78738.6+3%

32Okfuskee County, OKOK11,45138.6+6%

33Pawnee County, OKOK16,02938.5+6%

34Atoka County, OKOK14,60938.3+10%

35Noble County, OKOK10,89938.3+9%

36Coal County, OKOK5,43638.1+4%

37Kay County, OKOK43,49038.1+7%

38Osage County, OKOK46,79438.1+9%

39Seminole County, OKOK23,44138.1+5%

40Carter County, OKOK48,91038.0+8%

41Johnston County, OKOK10,44838.0+8%

42Kingfisher County, OKOK15,79538.0+13%

43Woods County, OKOK8,44337.8+1%

44Garfield County, OKOK61,77937.7+9%

45Blaine County, OKOK8,51537.6+4%

46Lincoln County, OKOK35,27837.5+7%

47Woodward County, OKOK19,82737.4+13%

48Ottawa County, OKOK30,43837.3+1%

49Mayes County, OKOK40,41637.2+4%

50Muskogee County, OKOK66,70837.0+8%

51Creek County, OKOK74,96736.9+8%

52Okmulgee County, OKOK37,24136.9+4%

53McClain County, OKOK49,64736.9+7%

54Latimer County, OKOK9,64536.8+9%

55Beckham County, OKOK22,15936.6+6%

56Grady County, OKOK59,12836.5+9%

57Sequoyah County, OKOK40,84236.4+8%

58Rogers County, OKOK102,19736.2+7%

59Wagoner County, OKOK93,26336.2+10%

60Le Flore County, OKOK50,19636.1+5%

61Logan County, OKOK55,47336.1+12%

62Caddo County, OKOK26,13036.0+5%

63McCurtain County, OKOK30,74436.0+9%

64Bryan County, OKOK51,36735.8+3%

65Pontotoc County, OKOK38,52835.7+4%

66Pottawatomie County, OKOK75,10235.5+6%

67Canadian County, OKOK187,18935.4+10%

68Tulsa County, OKOK698,78234.4+5%

69Oklahoma County, OKOK822,12534.2+5%

70Adair County, OKOK19,82833.2+4%

71Jackson County, OKOK24,76433.0+11%

72Custer County, OKOK28,17532.7+9%

73Cherokee County, OKOK49,19632.3+1%

74Cleveland County, OKOK303,97332.2+8%

75Texas County, OKOK20,32230.4−9%

76Comanche County, OKOK122,15830.1+6%

77Payne County, OKOK83,88927.6+2%

SHOWING 1–77 OF 77

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS