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.

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