RANKING · 1990 CENSUS · 87 SHOWN OF 87

Oldest by median age, Iowa cities · 1990

Iowa cities ranked by median age of residents (1990 ACS). This list covers the 87 cities in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCounties 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 –

01Winterset, IAIA5,52039.7–

02Charles City, IAIA7,01339.2–

03Windsor Heights, IAIA5,05939.0–

04Cherokee, IAIA5,12239.0–

05Washington, IAIA7,26138.8–

06Atlantic, IAIA6,67638.8–

07Red Oak, IAIA5,38838.5–

08Clarinda, IAIA5,27338.2–

09Spirit Lake, IAIA5,52538.2–

10Osceola, IAIA5,67938.0–

11Knoxville, IAIA7,46937.9–

12Centerville, IAIA5,32737.8–

13Oelwein, IAIA5,75737.8–

14Ottumwa, IAIA25,31937.5–

15Fairfield, IAIA9,22037.3–

16Newton, IAIA15,74137.2–

17Webster City, IAIA7,81537.1–

18Iowa Falls, IAIA5,01337.1–

19Marshalltown, IAIA27,53636.9–

20Maquoketa, IAIA6,02736.9–

21Fort Madison, IAIA9,93536.7–

22Algona, IAIA5,30936.5–

23Perry, IAIA8,20836.2–

24Clear Lake, IAIA7,60136.0–

25Independence, IAIA6,31236.0–

26Creston, IAIA7,33535.9–

27Boone, IAIA12,47135.8–

28Keokuk, IAIA9,51035.6–

29Estherville, IAIA5,80735.6–

30Clinton, IAIA24,04935.6–

31Burlington, IAIA23,33635.5–

32Fort Dodge, IAIA24,83735.4–

33Sheldon, IAIA5,57535.3–

34Johnston, IAIA25,06535.1–

35Manchester, IAIA5,35735.0–

36Oskaloosa, IAIA11,49335.0–

37Spencer, IAIA11,21834.9–

38Waterloo, IAIA66,91934.8–

39Vinton, IAIA5,00434.8–

40Bettendorf, IAIA40,71034.8–

41DeWitt, IAIA5,70434.7–

42Mason City, IAIA26,85334.6–

43Glenwood, IAIA5,28734.5–

44Carroll, IAIA10,08534.5–

45Denison, IAIA8,21434.4–

46Dubuque, IAIA59,14834.0–

47Nevada, IAIA6,97433.9–

48Adel, IAIA7,09833.5–

49Mount Pleasant, IAIA8,50033.4–

50Le Mars, IAIA10,76033.3–

51Urbandale, IAIA48,57033.2–

52Muscatine, IAIA23,16433.2–

53West Des Moines, IAIA74,22433.2–

54Cedar Rapids, IAIA137,93533.2–

55Waukee, IAIA34,89032.8–

56Sioux City, IAIA86,35632.7–

57Marion, IAIA42,73232.7–

58Council Bluffs, IAIA62,68032.5–

59Waverly, IAIA10,56132.4–

60Des Moines, IAIA212,08632.4–

61Pleasant Hill, IAIA11,23932.2–

62Indianola, IAIA16,82932.0–

63Davenport, IAIA100,35831.9–

64Anamosa, IAIA5,90131.8–

65Tiffin, IAIA7,15631.7–

66Grinnell, IAIA9,43031.5–

67Polk City, IAIA6,63031.4–

68Clive, IAIA19,86131.3–

69Storm Lake, IAIA11,59031.3–

70Sergeant Bluff, IAIA5,32431.0–

71Asbury, IAIA6,03530.4–

72Norwalk, IAIA15,00430.1–

73Pella, IAIA10,99229.9–

74Eldridge, IAIA6,95429.9–

75Hiawatha, IAIA7,43229.8–

76Grimes, IAIA17,40529.6–

77Altoona, IAIA22,79629.2–

78Decorah, IAIA7,41729.0–

79Coralville, IAIA23,96029.0–

80Orange City, IAIA6,46828.8–

81Ankeny, IAIA77,83328.4–

82Bondurant, IAIA9,64727.4–

83North Liberty, IAIA21,97627.2–

84Cedar Falls, IAIA41,24026.6–

85Sioux Center, IAIA8,86426.0–

86Iowa City, IAIA76,22924.9–

87Ames, IAIA68,22023.7–

SHOWING 1–87 OF 87

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