RANKING · 1990 CENSUS · 77 SHOWN OF 77

Youngest by median age, Oklahoma counties · 1990

Oklahoma counties with the youngest median age (1990 ACS). This list covers the 77 counties in Oklahoma that qualify, ranked against each other statewide. The median across all 77 is 35.8.

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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 –

01Payne County, OKOK83,88927.1–

02Comanche County, OKOK122,15828.3–

03Jackson County, OKOK24,76429.7–

04Cleveland County, OKOK303,97329.8–

05Custer County, OKOK28,17529.9–

06Adair County, OKOK19,82831.9–

07Cherokee County, OKOK49,19631.9–

08Canadian County, OKOK187,18932.2–

09Logan County, OKOK55,47332.4–

10Oklahoma County, OKOK822,12532.6–

11Tulsa County, OKOK698,78232.7–

12Wagoner County, OKOK93,26333.0–

13McCurtain County, OKOK30,74433.1–

14Woodward County, OKOK19,82733.2–

15Texas County, OKOK20,32233.3–

16Pottawatomie County, OKOK75,10233.5–

17Grady County, OKOK59,12833.5–

18Sequoyah County, OKOK40,84233.6–

19Kingfisher County, OKOK15,79533.6–

20Latimer County, OKOK9,64533.9–

21Rogers County, OKOK102,19734.0–

22Creek County, OKOK74,96734.1–

23Muskogee County, OKOK66,70834.3–

24Pontotoc County, OKOK38,52834.3–

25Le Flore County, OKOK50,19634.3–

26McClain County, OKOK49,64734.3–

27Caddo County, OKOK26,13034.4–

28Garfield County, OKOK61,77934.5–

29Beckham County, OKOK22,15934.6–

30Bryan County, OKOK51,36734.8–

31Osage County, OKOK46,79434.9–

32Atoka County, OKOK14,60935.0–

33Lincoln County, OKOK35,27835.1–

34Johnston County, OKOK10,44835.3–

35Noble County, OKOK10,89935.3–

36Carter County, OKOK48,91035.3–

37Okmulgee County, OKOK37,24135.5–

38Kay County, OKOK43,49035.6–

39Mayes County, OKOK40,41635.8–

40Roger Mills County, OKOK3,25936.0–

41Blaine County, OKOK8,51536.0–

42Choctaw County, OKOK14,05936.1–

43Beaver County, OKOK4,88236.2–

44Pawnee County, OKOK16,02936.2–

45Okfuskee County, OKOK11,45136.2–

46Love County, OKOK10,78036.3–

47Tillman County, OKOK6,78036.3–

48Seminole County, OKOK23,44136.3–

49Coal County, OKOK5,43636.6–

50Washington County, OKOK54,03736.7–

51Stephens County, OKOK44,31036.8–

52Washita County, OKOK10,88436.8–

53Ottawa County, OKOK30,43836.9–

54Major County, OKOK7,53637.1–

55Garvin County, OKOK26,37737.3–

56Cotton County, OKOK5,43237.4–

57Woods County, OKOK8,44337.4–

58Pittsburg County, OKOK43,32037.5–

59Harmon County, OKOK2,32737.5–

60Haskell County, OKOK11,78737.6–

61Cimarron County, OKOK2,05937.7–

62Kiowa County, OKOK8,18138.1–

63Craig County, OKOK14,51838.2–

64Dewey County, OKOK4,20738.2–

65Pushmataha County, OKOK10,80738.4–

66Nowata County, OKOK9,52238.5–

67Jefferson County, OKOK5,43138.7–

68Grant County, OKOK4,06738.9–

69Murray County, OKOK13,80539.0–

70Harper County, OKOK3,17239.0–

71Ellis County, OKOK3,61339.4–

72Delaware County, OKOK41,91039.9–

73Alfalfa County, OKOK5,64940.4–

74Hughes County, OKOK13,45540.7–

75Marshall County, OKOK16,25541.0–

76Greer County, OKOK5,37341.0–

77McIntosh County, OKOK19,75842.2–

SHOWING 1–77 OF 77

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