RANKING · 2024 ACS · 99 SHOWN OF 99

Newest housing stock, Iowa counties

Iowa counties ranked by median year housing was built (2024 ACS). This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 1962. Biggest climber in the top 100 since 2020: Crawford County, IA, up 37 places to #30.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01Dallas County, IAIA118,4572006+2%

02Johnson County, IAIA160,0441992+1%

03▲1Warren County, IAIA57,3311985+1%

04▼1Story County, IAIA101,2911984+1%

05Polk County, IAIA516,5461982+1%

06Dickinson County, IAIA18,0771979+1%

07Linn County, IAIA232,0281978+1%

08Madison County, IAIA17,2701977+2%

09▲2Clarke County, IAIA9,5741975+1%

10▼1Marion County, IAIA34,1921975+1%

11▲10Buchanan County, IAIA20,8831973+1%

12▲5Davis County, IAIA9,2301973+1%

13▲2Ringgold County, IAIA4,6421973+1%

14▼1Sioux County, IAIA36,7741973+1%

15▼1Allamakee County, IAIA14,2381972+1%

16▼4Mills County, IAIA14,7931972+1%

17▼1Scott County, IAIA175,2591972+1%

18▲2Poweshiek County, IAIA18,3681971+1%

19▲7Plymouth County, IAIA25,6971971+1%

20▲7Decatur County, IAIA7,6551970+1%

21▲10Bremer County, IAIA25,2961970+1%

22▼4Dubuque County, IAIA99,3811970+1%

23▼1Jackson County, IAIA19,2881970+1%

24▲9Jones County, IAIA21,2531970+1%

25▼15Monroe County, IAIA7,4061970+1%

26▲18Muscatine County, IAIA41,8531970+1%

27▼8Van Buren County, IAIA7,1311970+1%

28▼3Iowa County, IAIA16,5041969+1%

29▲19Wayne County, IAIA6,7381969+1%

30▲37Crawford County, IAIA16,2371968+1%

31▼7Guthrie County, IAIA10,7821968+1%

32▲7Henry County, IAIA19,3491968+1%

33▼5Pottawattamie County, IAIA92,9961967+1%

34▲4Clay County, IAIA16,2021967+1%

35▼6Delaware County, IAIA17,6741967+1%

36▲1Lyon County, IAIA12,3541967+1%

37▼7Black Hawk County, IAIA131,53219660%

38▲8Chickasaw County, IAIA11,6631966+1%

39▼16Jefferson County, IAIA15,2911966+1%

40▲3Louisa County, IAIA10,41619660%

41▲1Cedar County, IAIA18,3591965+1%

42▼10Jasper County, IAIA38,15319650%

43▲9Mahaska County, IAIA21,8801965+1%

44▼4Appanoose County, IAIA12,07719640%

45▼10Benton County, IAIA26,0041964+1%

46▼5Buena Vista County, IAIA20,4491964+1%

47▼11Carroll County, IAIA20,3031964+1%

48▼1Washington County, IAIA22,6671964+1%

49Union County, IAIA11,8291962+1%

50▲20Grundy County, IAIA12,3611962+1%

51▲10Kossuth County, IAIA14,3221962+1%

52▼18Lucas County, IAIA8,8471962+1%

53▼8Winnebago County, IAIA10,25119620%

54▲5Winneshiek County, IAIA19,7331962+1%

55▲1Hancock County, IAIA10,52819610%

56▲17Humboldt County, IAIA9,4091961+1%

57▼7Boone County, IAIA26,7991960+1%

58▼7Clayton County, IAIA16,8451960+1%

59▲35Howard County, IAIA9,4151960+1%

60▲14Lee County, IAIA32,3061960+1%

61▲21Wright County, IAIA12,8011960+1%

62▲2Des Moines County, IAIA38,0771959+1%

63▼3Cerro Gordo County, IAIA42,37219590%

64▲32Montgomery County, IAIA10,0021959+1%

65▼7O'Brien County, IAIA14,2201959+1%

66▼3Woodbury County, IAIA106,6491959+1%

67▼13Adair County, IAIA7,4031958+1%

68▲9Butler County, IAIA14,0491958+1%

69▼14Calhoun County, IAIA9,5621958+1%

70▲14Cherokee County, IAIA11,3691958+1%

71▼3Floyd County, IAIA14,90119580%

72▼3Fremont County, IAIA6,5221958+1%

73▼16Marshall County, IAIA39,89019580%

74▼21Palo Alto County, IAIA8,89919580%

75▼4Wapello County, IAIA35,2101958+1%

76▼11Mitchell County, IAIA10,6501957+1%

77▼11Clinton County, IAIA46,00219570%

78▲11Sac County, IAIA9,5251957+1%

79▲8Tama County, IAIA16,7961957+1%

80▼18Webster County, IAIA36,83819570%

81▲2Cass County, IAIA12,9601956+1%

82▲6Hardin County, IAIA16,45519560%

83▲3Monona County, IAIA8,5391956+1%

84▲15Adams County, IAIA3,6171955+1%

85▼7Emmet County, IAIA9,10719550%

86▼11Osceola County, IAIA5,9801955+1%

87▼2Greene County, IAIA8,6581954+1%

88▼16Fayette County, IAIA19,0471954+1%

89▼10Franklin County, IAIA9,8681954+1%

90▲3Harrison County, IAIA14,6231954+1%

91▼10Page County, IAIA14,8561954+1%

92▼12Hamilton County, IAIA14,94419530%

93▲2Ida County, IAIA6,7771952+1%

94▼3Taylor County, IAIA5,8351951+1%

95▼3Audubon County, IAIA5,5091950+1%

96▲2Keokuk County, IAIA9,7971950+1%

97Pocahontas County, IAIA6,81919500%

98▼22Shelby County, IAIA11,68919490%

99▼9Worth County, IAIA7,33819480%

SHOWING 1–99 OF 99

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES