RANKING · 1990 CENSUS · 92 SHOWN OF 92

Most densely populated, Indiana counties · 1990

Indiana counties ranked by residents per square mile (2023). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide.

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YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Marion County, ININ992,1962,013−7%

02Lake County, ININ504,612953−2%

03Vanderburgh County, ININ181,995707−4%

04St. Joseph County, ININ272,861540−7%

05Allen County, ININ402,329458−9%

06Floyd County, ININ82,153434−9%

07Elkhart County, ININ208,774337−15%

08Porter County, ININ176,049308−12%

09Delaware County, ININ113,106305+1%

10Madison County, ININ135,088289−2%

11Monroe County, ININ143,345276−10%

12Hamilton County, ININ387,036276−40%

13Howard County, ININ83,904276−5%

14Johnson County, ININ174,262275−24%

15Vigo County, ININ106,512263+0%

16Tippecanoe County, ININ190,456262−12%

17Clark County, ININ130,451236−9%

18Hendricks County, ININ193,510186−27%

19Grant County, ININ66,524179+1%

20Wayne County, ININ66,169179+1%

21LaPorte County, ININ111,294179−3%

22Bartholomew County, ININ85,729156−11%

23Hancock County, ININ90,969149−18%

24Morgan County, ININ74,967138−16%

25Dearborn County, ININ51,609127−16%

26Kosciusko County, ININ80,892123−12%

27Henry County, ININ49,137123−1%

28Fayette County, ININ23,533121+2%

29Warrick County, ININ66,803117−14%

30Scott County, ININ25,053110−9%

31Miami County, ININ34,48799+2%

32Shelby County, ININ45,88298−7%

33DeKalb County, ININ44,53597−12%

34Lawrence County, ININ45,56895−7%

35Marshall County, ININ46,59995−7%

36Cass County, ININ37,83693−6%

37Huntington County, ININ37,22493−7%

38Noble County, ININ47,93792−18%

39Adams County, ININ36,65092−8%

40Boone County, ININ80,68990−17%

41Steuben County, ININ34,79989−17%

42Dubois County, ININ44,01686−8%

43Blackford County, ININ11,73085+0%

44Wabash County, ININ30,71385+0%

45Jefferson County, ININ33,27983−6%

46Whitley County, ININ35,04682−10%

47LaGrange County, ININ41,30578−16%

48Knox County, ININ35,65277+2%

49Clinton County, ININ33,32276−9%

50Jackson County, ININ47,37074−9%

51Starke County, ININ23,42574−3%

52Wells County, ININ28,88370−6%

53Clay County, ININ26,41069−7%

54Montgomery County, ININ38,95468−8%

55Gibson County, ININ33,09165−2%

56Vermillion County, ININ15,48865−0%

57Daviess County, ININ34,20964−8%

58Decatur County, ININ26,57663−4%

59Posey County, ININ24,98863−4%

60Putnam County, ININ37,87663−16%

61Jennings County, ININ27,62263−14%

62Tipton County, ININ15,31962−3%

63Harrison County, ININ40,43762−13%

64Ohio County, ININ5,99462−5%

65Randolph County, ININ24,43860−1%

66Greene County, ININ31,16556−8%

67Jay County, ININ20,11856−1%

68Ripley County, ININ29,43455−7%

69Fulton County, ININ20,09151−8%

70Franklin County, ININ23,28651−12%

71Carroll County, ININ20,65551−7%

72Perry County, ININ19,38950+1%

73Spencer County, ININ20,06149−4%

74Orange County, ININ19,83446−5%

75Washington County, ININ28,38346−13%

76White County, ININ25,16446−8%

77Brown County, ININ15,77745−6%

78Fountain County, ININ17,01345−1%

79Owen County, ININ21,88645−21%

80Jasper County, ININ33,89445−17%

81Rush County, ININ16,76744−1%

82Union County, ININ6,86343−5%

83Sullivan County, ININ20,83142−13%

84Pike County, ININ12,00337−3%

85Switzerland County, ININ10,03735−15%

86Parke County, ININ16,64235−11%

87Newton County, ININ14,18834−7%

88Crawford County, ININ10,50932−8%

89Martin County, ININ9,85631+0%

90Pulaski County, ININ12,46329−8%

91Benton County, ININ8,88323+0%

92Warren County, ININ8,47422−3%

SHOWING 1–92 OF 92

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