RANKING · 2020 CENSUS · 77 SHOWN OF 77

Oldest by median age, Oklahoma counties · 2020

Oklahoma counties ranked by median age of residents (2020 ACS). This list covers the 77 counties in Oklahoma that qualify, ranked against each other statewide. The median across all 77 is 40.8.

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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 2000

01McIntosh County, OKOK19,75849.5+12%

02Delaware County, OKOK41,91048.0+18%

03Pushmataha County, OKOK10,80745.0+12%

04Alfalfa County, OKOK5,64944.6+5%

05Grant County, OKOK4,06744.4+7%

06Ellis County, OKOK3,61344.2−2%

07Kiowa County, OKOK8,18144.2+8%

08Nowata County, OKOK9,52243.8+12%

09Choctaw County, OKOK14,05943.7+13%

10Cimarron County, OKOK2,05943.7+11%

11Marshall County, OKOK16,25543.4+5%

12Osage County, OKOK46,79443.4+14%

13Pawnee County, OKOK16,02943.4+13%

14Craig County, OKOK14,51843.2+10%

15Roger Mills County, OKOK3,25943.1+3%

16Cotton County, OKOK5,43243.0+11%

17Okfuskee County, OKOK11,45143.0+11%

18Coal County, OKOK5,43642.8+12%

19Noble County, OKOK10,89942.6+11%

20Tillman County, OKOK6,78042.5+9%

21Jefferson County, OKOK5,43142.4+5%

22Latimer County, OKOK9,64542.4+15%

23Harmon County, OKOK2,32742.2+6%

24Harper County, OKOK3,17242.2−2%

25Blaine County, OKOK8,51542.1+12%

26Stephens County, OKOK44,31042.1+5%

27Love County, OKOK10,78041.9+6%

28Murray County, OKOK13,80541.9+5%

29Haskell County, OKOK11,78741.8+8%

30Pittsburg County, OKOK43,32041.8+6%

31Sequoyah County, OKOK40,84241.7+15%

32Lincoln County, OKOK35,27841.6+11%

33Major County, OKOK7,53641.50%

34Beaver County, OKOK4,88241.2+5%

35Atoka County, OKOK14,60941.0+7%

36Creek County, OKOK74,96740.9+11%

37Mayes County, OKOK40,41640.9+10%

38Okmulgee County, OKOK37,24140.9+11%

39Greer County, OKOK5,37340.8+2%

40Garvin County, OKOK26,37740.7+4%

41Carter County, OKOK48,91040.6+7%

42Johnston County, OKOK10,44840.4+6%

43Dewey County, OKOK4,20740.3−6%

44Le Flore County, OKOK50,19640.2+11%

45Ottawa County, OKOK30,43840.2+8%

46Washington County, OKOK54,03740.20%

47Caddo County, OKOK26,13040.1+11%

48Hughes County, OKOK13,45540.1+2%

49Muskogee County, OKOK66,70840.0+8%

50Seminole County, OKOK23,44139.9+5%

51Washita County, OKOK10,88439.9+2%

52Rogers County, OKOK102,19739.8+10%

53McCurtain County, OKOK30,74439.7+10%

54Grady County, OKOK59,12839.6+8%

55Adair County, OKOK19,82839.4+19%

56Kay County, OKOK43,49039.4+3%

57McClain County, OKOK49,64739.2+6%

58Wagoner County, OKOK93,26339.1+8%

59Kingfisher County, OKOK15,79538.7+2%

60Pottawatomie County, OKOK75,10238.6+9%

61Logan County, OKOK55,47338.2+6%

62Woodward County, OKOK19,82738.0+2%

63Pontotoc County, OKOK38,52837.5+5%

64Cherokee County, OKOK49,19637.0+15%

65Beckham County, OKOK22,15936.9+1%

66Bryan County, OKOK51,36736.9+3%

67Garfield County, OKOK61,77936.3−4%

68Tulsa County, OKOK698,78236.3+6%

69Canadian County, OKOK187,18935.9+1%

70Jackson County, OKOK24,76435.4+7%

71Oklahoma County, OKOK822,12535.4+4%

72Woods County, OKOK8,44335.1−7%

73Cleveland County, OKOK303,97334.8+8%

74Comanche County, OKOK122,15833.8+12%

75Custer County, OKOK28,17533.1+1%

76Texas County, OKOK20,32232.4+7%

77Payne County, OKOK83,88929.2+6%

SHOWING 1–77 OF 77

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