RANKING · 2020 CENSUS · 92 SHOWN OF 92

Fastest growing, Indiana counties · 2020

Indiana counties ranked by population growth from the 2010 census to 2020. This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Hamilton County, ININ387,036+26.5%−61%

02Boone County, ININ80,689+25.0%+20%

03Hendricks County, ININ193,510+20.2%−46%

04Johnson County, ININ174,262+15.8%−49%

05Hancock County, ININ90,969+14.1%−35%

06Clark County, ININ130,451+9.9%−1%

07Jackson County, ININ47,370+9.6%+0%

08LaGrange County, ININ41,305+8.9%−52%

09Allen County, ININ402,329+8.5%−18%

10Marion County, ININ992,196+8.2%+3%

11Floyd County, ININ82,153+7.9%−21%

12Tippecanoe County, ININ190,456+7.8%−45%

13Warrick County, ININ66,803+7.1%−58%

14Bartholomew County, ININ85,729+7.1%−42%

15Daviess County, ININ34,209+5.5%−34%

16Porter County, ININ176,049+5.4%−61%

17Elkhart County, ININ208,774+4.8%−72%

18Morgan County, ININ74,967+4.2%−78%

19Dubois County, ININ44,016+4.2%−50%

20Adams County, ININ36,650+4.1%−49%

21Kosciusko County, ININ80,892+3.7%−72%

22Decatur County, ININ26,576+2.8%−26%

23Whitley County, ININ35,046+2.7%−76%

24DeKalb County, ININ44,535+2.5%−82%

25St. Joseph County, ININ272,861+2.2%−70%

26Jefferson County, ININ33,279+2.2%−65%

27Wells County, ININ28,883+2.0%−69%

28Brown County, ININ15,777+1.5%−75%

29Shelby County, ININ45,882+1.4%−82%

30Monroe County, ININ143,345+1.3%−88%

31Dearborn County, ININ51,609+1.3%−93%

32Howard County, ININ83,904+1.1%−79%

33LaPorte County, ININ111,294+0.9%−70%

34Scott County, ININ25,053+0.8%−91%

35Carroll County, ININ20,655+0.7%−90%

36Harrison County, ININ40,437+0.7%−95%

37Steuben County, ININ34,799+0.7%−97%

38Ripley County, ININ29,434+0.6%−92%

39Lake County, ININ504,612+0.5%−71%

40Vanderburgh County, ININ181,995+0.2%−94%

41White County, ININ25,164+0.2%−98%

42Orange County, ININ19,834+0.1%−97%

43Starke County, ININ23,425+0.0%−99%

44Clinton County, ININ33,322-0.1%−101%

45Noble County, ININ47,937-0.2%−101%

46Washington County, ININ28,383-0.3%−102%

47Montgomery County, ININ38,954-0.5%−105%

48Warren County, ININ8,474-0.8%−127%

49Perry County, ININ19,389-0.9%−20%

50Henry County, ININ49,137-1.1%−245%

51Madison County, ININ135,088-1.1%−156%

52Owen County, ININ21,886-1.2%−105%

53Huntington County, ININ37,224-1.2%−117%

54Franklin County, ININ23,286-1.3%−110%

55Gibson County, ININ33,091-1.5%−180%

56Benton County, ININ8,883-1.5%+620%

57Vigo County, ININ106,512-1.6%+544%

58Clay County, ININ26,410-1.6%−121%

59Jasper County, ININ33,894-1.7%−108%

60Fulton County, ININ20,091-1.7%−119%

61Crawford County, ININ10,509-1.7%−121%

62Marshall County, ININ46,599-2.0%−129%

63Lawrence County, ININ45,568-2.4%−134%

64Miami County, ININ34,487-2.5%+15%

65Posey County, ININ24,988-2.7%−163%

66Cass County, ININ37,836-2.8%−143%

67Newton County, ININ14,188-2.9%−139%

68Sullivan County, ININ20,831-3.1%−121%

69Ohio County, ININ5,994-3.1%−153%

70Jennings County, ININ27,622-3.2%−119%

71Putnam County, ININ37,876-3.3%−117%

72Wayne County, ININ66,169-3.4%+189%

73Fayette County, ININ23,533-3.6%+121%

74Tipton County, ININ15,319-3.6%−227%

75Jay County, ININ20,118-3.6%−367%

76Rush County, ININ16,767-3.7%−605%

77Fountain County, ININ17,013-4.4%−638%

78Pike County, ININ12,003-4.6%−277%

79Vermillion County, ININ15,488-4.8%−5432%

80Grant County, ININ66,524-4.8%+368%

81Delaware County, ININ113,106-4.9%+559%

82Martin County, ININ9,856-5.1%–

83Blackford County, ININ11,730-5.1%+3693%

84Spencer County, ININ20,061-5.5%−218%

85Knox County, ININ35,652-5.6%+257%

86Union County, ININ6,863-5.7%−207%

87Wabash County, ININ30,713-5.8%+1770%

88Randolph County, ININ24,438-6.4%−784%

89Pulaski County, ININ12,463-6.6%−175%

90Parke County, ININ16,642-6.8%−157%

91Greene County, ININ31,165-7.1%−179%

92Switzerland County, ININ10,037-8.3%−148%

SHOWING 1–92 OF 92

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