RANKING · 2020 CENSUS · 92 SHOWN OF 92

Most densely populated, Indiana counties · 2020

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, ININ992,1962,468+14%

02Lake County, ININ504,6121,000+3%

03Hamilton County, ININ387,036881+90%

04Vanderburgh County, ININ181,995772+5%

05St. Joseph County, ININ272,861596+3%

06Allen County, ININ402,329586+16%

07Floyd County, ININ82,153542+14%

08Johnson County, ININ174,262505+40%

09Elkhart County, ININ208,774447+13%

10Hendricks County, ININ193,510430+68%

11Porter County, ININ176,049414+18%

12Tippecanoe County, ININ190,456373+25%

13Monroe County, ININ143,345354+16%

14Clark County, ININ130,451325+26%

15Madison County, ININ135,088288−2%

16Howard County, ININ83,904285−2%

17Delaware County, ININ113,106285−6%

18Vigo County, ININ106,512263+0%

19Hancock County, ININ90,969261+44%

20Bartholomew County, ININ85,729202+15%

21LaPorte County, ININ111,294188+2%

22Morgan County, ININ74,967178+8%

23Boone County, ININ80,689167+54%

24Warrick County, ININ66,803166+22%

25Dearborn County, ININ51,609166+10%

26Wayne County, ININ66,169166−6%

27Grant County, ININ66,524161−9%

28Kosciusko County, ININ80,892151+8%

29Scott County, ININ25,053128+6%

30Henry County, ININ49,137125+1%

31DeKalb County, ININ44,535119+7%

32Noble County, ININ47,937116+3%

33Steuben County, ININ34,799112+4%

34Shelby County, ININ45,882110+4%

35Fayette County, ININ23,533109−9%

36LaGrange County, ININ41,305107+16%

37Adams County, ININ36,650106+6%

38Marshall County, ININ46,599104+2%

39Dubois County, ININ44,016102+10%

40Whitley County, ININ35,046102+11%

41Lawrence County, ININ45,568100−2%

42Miami County, ININ34,48796−0%

43Huntington County, ININ37,22496−4%

44Jefferson County, ININ33,27992+5%

45Cass County, ININ37,83692−7%

46Jackson County, ININ47,37091+12%

47Clinton County, ININ33,32282−2%

48Harrison County, ININ40,43782+16%

49Daviess County, ININ34,20978+12%

50Wells County, ININ28,88377+2%

51Putnam County, ININ37,87676+2%

52Starke County, ININ23,42576−1%

53Montgomery County, ININ38,95475+1%

54Wabash County, ININ30,71375−11%

55Clay County, ININ26,41074−0%

56Blackford County, ININ11,73073−14%

57Jennings County, ININ27,62273+0%

58Decatur County, ININ26,57671+8%

59Knox County, ININ35,65270−8%

60Ohio County, ININ5,99469+6%

61Gibson County, ININ33,09168+2%

62Ripley County, ININ29,43465+9%

63Posey County, ININ24,98862−7%

64Vermillion County, ININ15,48860−8%

65Franklin County, ININ23,28659+3%

66Tipton County, ININ15,31959−7%

67Jasper County, ININ33,89459+10%

68Greene County, ININ31,16557−7%

69Fulton County, ININ20,09156−0%

70Owen County, ININ21,88655−2%

71Washington County, ININ28,38355+4%

72Carroll County, ININ20,65555+1%

73Randolph County, ININ24,43854−11%

74Jay County, ININ20,11853−6%

75Perry County, ININ19,38950+1%

76Spencer County, ININ20,06150−3%

77Orange County, ININ19,83450+3%

78Brown County, ININ15,77750+3%

79White County, ININ25,16449−2%

80Sullivan County, ININ20,83147−4%

81Switzerland County, ININ10,03744+7%

82Union County, ININ6,86344−4%

83Fountain County, ININ17,01342−8%

84Rush County, ININ16,76741−8%

85Pike County, ININ12,00337−5%

86Parke County, ININ16,64236−6%

87Crawford County, ININ10,50934−2%

88Newton County, ININ14,18834−5%

89Martin County, ININ9,85629−5%

90Pulaski County, ININ12,46329−9%

91Warren County, ININ8,47423+0%

92Benton County, ININ8,88321−7%

SHOWING 1–92 OF 92

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