RANKING · 1990 CENSUS · 92 SHOWN OF 92

Largest by population, Indiana counties · 1990

The most populous us counties as of the 2023 estimates. This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

IndianaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPTOTAL POPULATIONVS 2000

01Marion County, ININ992,196797,159−7%

02Lake County, ININ504,612475,594−2%

03Allen County, ININ402,329300,836−9%

04St. Joseph County, ININ272,861247,052−7%

05Vanderburgh County, ININ181,995165,058−4%

06Elkhart County, ININ208,774156,198−15%

07Madison County, ININ135,088130,669−2%

08Tippecanoe County, ININ190,456130,598−12%

09Porter County, ININ176,049128,932−12%

10Delaware County, ININ113,106119,659+1%

11Monroe County, ININ143,345108,978−10%

12Hamilton County, ININ387,036108,936−40%

13LaPorte County, ININ111,294107,066−3%

14Vigo County, ININ106,512106,107+0%

15Johnson County, ININ174,26288,109−24%

16Clark County, ININ130,45187,777−9%

17Howard County, ININ83,90480,827−5%

18Hendricks County, ININ193,51075,717−27%

19Grant County, ININ66,52474,169+1%

20Wayne County, ININ66,16971,951+1%

21Kosciusko County, ININ80,89265,294−12%

22Floyd County, ININ82,15364,404−9%

23Bartholomew County, ININ85,72963,657−11%

24Morgan County, ININ74,96755,920−16%

25Henry County, ININ49,13748,139−1%

26Hancock County, ININ90,96945,527−18%

27Warrick County, ININ66,80344,920−14%

28Lawrence County, ININ45,56842,836−7%

29Marshall County, ININ46,59942,182−7%

30Shelby County, ININ45,88240,307−7%

31Knox County, ININ35,65239,884+2%

32Dearborn County, ININ51,60938,835−16%

33Cass County, ININ37,83638,413−6%

34Boone County, ININ80,68938,147−17%

35Noble County, ININ47,93737,877−18%

36Jackson County, ININ47,37037,730−9%

37Miami County, ININ34,48736,897+2%

38Dubois County, ININ44,01636,616−8%

39Huntington County, ININ37,22435,427−7%

40DeKalb County, ININ44,53535,324−12%

41Wabash County, ININ30,71335,069+0%

42Montgomery County, ININ38,95434,436−8%

43Gibson County, ININ33,09131,913−2%

44Adams County, ININ36,65031,095−8%

45Clinton County, ININ33,32230,974−9%

46Greene County, ININ31,16530,410−8%

47Putnam County, ININ37,87630,315−16%

48Harrison County, ININ40,43729,890−13%

49Jefferson County, ININ33,27929,797−6%

50LaGrange County, ININ41,30529,477−16%

51Whitley County, ININ35,04627,651−10%

52Daviess County, ININ34,20927,533−8%

53Steuben County, ININ34,79927,446−17%

54Randolph County, ININ24,43827,148−1%

55Fayette County, ININ23,53326,015+2%

56Posey County, ININ24,98825,968−4%

57Wells County, ININ28,88325,948−6%

58Jasper County, ININ33,89424,960−17%

59Clay County, ININ26,41024,705−7%

60Ripley County, ININ29,43424,616−7%

61Washington County, ININ28,38323,717−13%

62Jennings County, ININ27,62223,661−14%

63Decatur County, ININ26,57623,645−4%

64White County, ININ25,16423,265−8%

65Starke County, ININ23,42522,747−3%

66Jay County, ININ20,11821,512−1%

67Scott County, ININ25,05320,991−9%

68Franklin County, ININ23,28619,580−12%

69Spencer County, ININ20,06119,490−4%

70Perry County, ININ19,38919,107+1%

71Sullivan County, ININ20,83118,993−13%

72Fulton County, ININ20,09118,840−8%

73Carroll County, ININ20,65518,809−7%

74Orange County, ININ19,83418,409−5%

75Rush County, ININ16,76718,129−1%

76Fountain County, ININ17,01317,808−1%

77Owen County, ININ21,88617,281−21%

78Vermillion County, ININ15,48816,773−0%

79Tipton County, ININ15,31916,119−3%

80Parke County, ININ16,64215,410−11%

81Brown County, ININ15,77714,080−6%

82Blackford County, ININ11,73014,067+0%

83Newton County, ININ14,18813,551−7%

84Pulaski County, ININ12,46312,643−8%

85Pike County, ININ12,00312,509−3%

86Martin County, ININ9,85610,369+0%

87Crawford County, ININ10,5099,914−8%

88Benton County, ININ8,8839,441+0%

89Warren County, ININ8,4748,176−3%

90Switzerland County, ININ10,0377,738−15%

91Union County, ININ6,8636,976−5%

92Ohio County, ININ5,9945,315−5%

SHOWING 1–92 OF 92

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES