RANKING · 1990 CENSUS · 99 SHOWN OF 99

Longest commutes, Iowa counties · 1990

Iowa counties ranked by mean travel time to work (1990 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost remote workers Most public transit riders Most car-free households Shortest commutes Most car-dependent Most car-free households

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPAVERAGE COMMUTEVS –

01Clayton County, IAIA16,84534.3–

02Howard County, IAIA9,41534.0–

03Wayne County, IAIA6,73832.8–

04Lyon County, IAIA12,35432.6–

05Butler County, IAIA14,04932.5–

06Guthrie County, IAIA10,78232.0–

07Adair County, IAIA7,40331.6–

08Delaware County, IAIA17,67431.6–

09Audubon County, IAIA5,50931.2–

10Van Buren County, IAIA7,13130.8–

11Pocahontas County, IAIA6,81930.4–

12Fayette County, IAIA19,04730.3–

13Jones County, IAIA21,25330.2–

14Madison County, IAIA17,27029.9–

15Mitchell County, IAIA10,65029.9–

16Ringgold County, IAIA4,64229.8–

17Benton County, IAIA26,00429.8–

18Jackson County, IAIA19,28829.8–

19Adams County, IAIA3,61729.6–

20Iowa County, IAIA16,50429.6–

21Monroe County, IAIA7,40629.6–

22Davis County, IAIA9,23029.3–

23Harrison County, IAIA14,62329.3–

24Osceola County, IAIA5,98029.3–

25Shelby County, IAIA11,68929.1–

26Keokuk County, IAIA9,79728.8–

27Allamakee County, IAIA14,23828.8–

28Franklin County, IAIA9,86828.6–

29Kossuth County, IAIA14,32228.6–

30Calhoun County, IAIA9,56228.6–

31Buchanan County, IAIA20,88328.4–

32Winneshiek County, IAIA19,73328.3–

33Taylor County, IAIA5,83528.3–

34Sac County, IAIA9,52528.2–

35Grundy County, IAIA12,36128.2–

36Chickasaw County, IAIA11,66327.5–

37Ida County, IAIA6,77727.4–

38Tama County, IAIA16,79627.2–

39Monona County, IAIA8,53927.2–

40Cedar County, IAIA18,35927.0–

41Worth County, IAIA7,33827.0–

42Decatur County, IAIA7,65526.5–

43Warren County, IAIA57,33126.5–

44Fremont County, IAIA6,52226.5–

45Plymouth County, IAIA25,69726.3–

46Hancock County, IAIA10,52826.1–

47Palo Alto County, IAIA8,89926.0–

48O'Brien County, IAIA14,22025.4–

49Clarke County, IAIA9,57425.3–

50Mahaska County, IAIA21,88025.1–

51Washington County, IAIA22,66725.1–

52Crawford County, IAIA16,23724.9–

53Lucas County, IAIA8,84724.8–

54Cass County, IAIA12,96024.6–

55Louisa County, IAIA10,41624.4–

56Floyd County, IAIA14,90124.4–

57Dallas County, IAIA118,45724.3–

58Sioux County, IAIA36,77424.0–

59Mills County, IAIA14,79323.8–

60Greene County, IAIA8,65823.7–

61Humboldt County, IAIA9,40923.2–

62Bremer County, IAIA25,29623.1–

63Boone County, IAIA26,79923.0–

64Cherokee County, IAIA11,36922.3–

65Hardin County, IAIA16,45522.1–

66Poweshiek County, IAIA18,36821.9–

67Hamilton County, IAIA14,94421.8–

68Marion County, IAIA34,19221.7–

69Carroll County, IAIA20,30321.6–

70Emmet County, IAIA9,10721.5–

71Jefferson County, IAIA15,29121.2–

72Jasper County, IAIA38,15321.2–

73Montgomery County, IAIA10,00221.0–

74Winnebago County, IAIA10,25121.0–

75Appanoose County, IAIA12,07720.7–

76Henry County, IAIA19,34920.5–

77Dickinson County, IAIA18,07720.3–

78Pottawattamie County, IAIA92,99620.3–

79Wright County, IAIA12,80119.9–

80Clay County, IAIA16,20219.6–

81Clinton County, IAIA46,00219.3–

82Page County, IAIA14,85619.3–

83Buena Vista County, IAIA20,44919.3–

84Muscatine County, IAIA41,85318.4–

85Union County, IAIA11,82918.3–

86Marshall County, IAIA39,89018.2–

87Dubuque County, IAIA99,38118.1–

88Wapello County, IAIA35,21017.8–

89Johnson County, IAIA160,04417.7–

90Scott County, IAIA175,25917.1–

91Story County, IAIA101,29117.0–

92Polk County, IAIA516,54616.9–

93Lee County, IAIA32,30616.7–

94Linn County, IAIA232,02816.4–

95Webster County, IAIA36,83816.2–

96Woodbury County, IAIA106,64916.0–

97Black Hawk County, IAIA131,53215.8–

98Des Moines County, IAIA38,07715.6–

99Cerro Gordo County, IAIA42,37215.2–

SHOWING 1–99 OF 99

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