RANKING · 2025 ESTIMATES · 92 SHOWN OF 92

Most densely populated, Indiana counties

Indiana counties ranked by residents per square mile (2025). This list covers the 92 counties in Indiana that qualify, ranked against each other statewide. The median across all 92 is 92.

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SAME RANKING BYCities States Metros

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

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Marion County, ININ992,1962,506+15%

02Lake County, ININ504,6121,011+4%

03Hamilton County, ININ387,036981+112%

04Vanderburgh County, ININ181,995780+6%

05▲1Allen County, ININ402,329612+21%

06▼1St. Joseph County, ININ272,861596+3%

07Floyd County, ININ82,153553+16%

08Johnson County, ININ174,262544+51%

09▲1Hendricks County, ININ193,510476+86%

10▼1Elkhart County, ININ208,774451+14%

11Porter County, ININ176,049421+20%

12Tippecanoe County, ININ190,456382+28%

13Monroe County, ININ143,345363+19%

14Clark County, ININ130,451350+35%

15Madison County, ININ135,088299+1%

16▲3Hancock County, ININ90,969297+64%

17Delaware County, ININ113,106288−5%

18▼2Howard County, ININ83,904286−1%

19▼1Vigo County, ININ106,512264+1%

20Bartholomew County, ININ85,729211+20%

21▲2Boone County, ININ80,689191+75%

22▼1LaPorte County, ININ111,294186+1%

23▼1Morgan County, ININ74,967186+12%

24Warrick County, ININ66,803174+28%

25Dearborn County, ININ51,609169+12%

26Wayne County, ININ66,169165−7%

27Grant County, ININ66,524161−9%

28Kosciusko County, ININ80,892152+9%

29Scott County, ININ25,053132+9%

30Henry County, ININ49,137125+1%

31DeKalb County, ININ44,535123+11%

32Noble County, ININ47,937117+4%

33Steuben County, ININ34,799113+5%

34Shelby County, ININ45,882112+6%

35Fayette County, ININ23,533109−8%

36LaGrange County, ININ41,305109+18%

37Adams County, ININ36,650108+9%

38Marshall County, ININ46,599105+3%

39▲1Whitley County, ININ35,046104+14%

40▼1Dubois County, ININ44,016103+11%

41Lawrence County, ININ45,568101−1%

42▲1Huntington County, ININ37,22497−2%

43▲3Jackson County, ININ47,37093+15%

44Jefferson County, ININ33,27992+5%

45▼3Miami County, ININ34,48792−4%

46▼1Cass County, ININ37,83692−8%

47▲1Harrison County, ININ40,43784+18%

48▼1Clinton County, ININ33,32282−2%

49Daviess County, ININ34,20980+15%

50▲1Putnam County, ININ37,87679+5%

51▼1Wells County, ININ28,88378+5%

52▲1Montgomery County, ININ38,95477+4%

53▼1Starke County, ININ23,42576−1%

54Wabash County, ININ30,71374−12%

55Clay County, ININ26,41074−1%

56▲1Jennings County, ININ27,622730%

57▲1Decatur County, ININ26,57671+8%

58▼2Blackford County, ININ11,73071−17%

59▲1Ohio County, ININ5,99470+7%

60▼1Knox County, ININ35,65269−9%

61Gibson County, ININ33,09168+2%

62Ripley County, ININ29,43466+11%

63Posey County, ININ24,98861−8%

64▲1Franklin County, ININ23,28661+5%

65▲2Jasper County, ININ33,89461+13%

66▼2Vermillion County, ININ15,48860−8%

67▼1Tipton County, ININ15,31959−8%

68Greene County, ININ31,16557−6%

69▲1Owen County, ININ21,886570%

70▲2Carroll County, ININ20,65555+2%

71Washington County, ININ28,38355+4%

72▼3Fulton County, ININ20,09155−2%

73Randolph County, ININ24,43854−11%

74Jay County, ININ20,11852−8%

75Perry County, ININ19,38951+3%

76▲2Brown County, ININ15,77751+5%

77▼1Spencer County, ININ20,06151−2%

78▲1White County, ININ25,164500%

79▼2Orange County, ININ19,83450+3%

80Sullivan County, ININ20,83147−4%

81Switzerland County, ININ10,03745+11%

82▲1Fountain County, ININ17,01343−5%

83▼1Union County, ININ6,86343−7%

84Rush County, ININ16,76741−8%

85▲1Parke County, ININ16,64237−3%

86▼1Pike County, ININ12,00336−6%

87▲1Newton County, ININ14,18835−3%

88▼1Crawford County, ININ10,50934−2%

89Martin County, ININ9,85629−5%

90Pulaski County, ININ12,46329−9%

91Warren County, ININ8,47423+1%

92Benton County, ININ8,88322−6%

SHOWING 1–92 OF 92

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU POPULATION ESTIMATES