RANKING · 1990 CENSUS · 87 SHOWN OF 87

Youngest by median age, Iowa cities · 1990

Iowa cities with the youngest median age (1990 ACS). This list covers the 87 cities in Iowa that qualify, ranked against each other statewide. The median across all 87 is 34.5.

Flip the list · Oldest by median age, US cities →

IowaAll statesPop > 5KAll rankings

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 –

01Ames, IAIA68,22023.7–

02Iowa City, IAIA76,22924.9–

03Sioux Center, IAIA8,86426.0–

04Cedar Falls, IAIA41,24026.6–

05North Liberty, IAIA21,97627.2–

06Bondurant, IAIA9,64727.4–

07Ankeny, IAIA77,83328.4–

08Orange City, IAIA6,46828.8–

09Coralville, IAIA23,96029.0–

10Decorah, IAIA7,41729.0–

11Altoona, IAIA22,79629.2–

12Grimes, IAIA17,40529.6–

13Hiawatha, IAIA7,43229.8–

14Eldridge, IAIA6,95429.9–

15Pella, IAIA10,99229.9–

16Norwalk, IAIA15,00430.1–

17Asbury, IAIA6,03530.4–

18Sergeant Bluff, IAIA5,32431.0–

19Storm Lake, IAIA11,59031.3–

20Clive, IAIA19,86131.3–

21Polk City, IAIA6,63031.4–

22Grinnell, IAIA9,43031.5–

23Tiffin, IAIA7,15631.7–

24Anamosa, IAIA5,90131.8–

25Davenport, IAIA100,35831.9–

26Indianola, IAIA16,82932.0–

27Pleasant Hill, IAIA11,23932.2–

28Des Moines, IAIA212,08632.4–

29Waverly, IAIA10,56132.4–

30Council Bluffs, IAIA62,68032.5–

31Marion, IAIA42,73232.7–

32Sioux City, IAIA86,35632.7–

33Waukee, IAIA34,89032.8–

34Cedar Rapids, IAIA137,93533.2–

35West Des Moines, IAIA74,22433.2–

36Muscatine, IAIA23,16433.2–

37Urbandale, IAIA48,57033.2–

38Le Mars, IAIA10,76033.3–

39Mount Pleasant, IAIA8,50033.4–

40Adel, IAIA7,09833.5–

41Nevada, IAIA6,97433.9–

42Dubuque, IAIA59,14834.0–

43Denison, IAIA8,21434.4–

44Carroll, IAIA10,08534.5–

45Glenwood, IAIA5,28734.5–

46Mason City, IAIA26,85334.6–

47DeWitt, IAIA5,70434.7–

48Bettendorf, IAIA40,71034.8–

49Vinton, IAIA5,00434.8–

50Waterloo, IAIA66,91934.8–

51Spencer, IAIA11,21834.9–

52Oskaloosa, IAIA11,49335.0–

53Manchester, IAIA5,35735.0–

54Johnston, IAIA25,06535.1–

55Sheldon, IAIA5,57535.3–

56Fort Dodge, IAIA24,83735.4–

57Burlington, IAIA23,33635.5–

58Clinton, IAIA24,04935.6–

59Estherville, IAIA5,80735.6–

60Keokuk, IAIA9,51035.6–

61Boone, IAIA12,47135.8–

62Creston, IAIA7,33535.9–

63Independence, IAIA6,31236.0–

64Clear Lake, IAIA7,60136.0–

65Perry, IAIA8,20836.2–

66Algona, IAIA5,30936.5–

67Fort Madison, IAIA9,93536.7–

68Maquoketa, IAIA6,02736.9–

69Marshalltown, IAIA27,53636.9–

70Iowa Falls, IAIA5,01337.1–

71Webster City, IAIA7,81537.1–

72Newton, IAIA15,74137.2–

73Fairfield, IAIA9,22037.3–

74Ottumwa, IAIA25,31937.5–

75Oelwein, IAIA5,75737.8–

76Centerville, IAIA5,32737.8–

77Knoxville, IAIA7,46937.9–

78Osceola, IAIA5,67938.0–

79Spirit Lake, IAIA5,52538.2–

80Clarinda, IAIA5,27338.2–

81Red Oak, IAIA5,38838.5–

82Atlantic, IAIA6,67638.8–

83Washington, IAIA7,26138.8–

84Cherokee, IAIA5,12239.0–

85Windsor Heights, IAIA5,05939.0–

86Charles City, IAIA7,01339.2–

87Winterset, IAIA5,52039.7–

SHOWING 1–87 OF 87

Download CSV (full list, 87 rows)

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