RANKING · 2025 ESTIMATES · 92 SHOWN OF 92

Most population gained, Indiana counties

Indiana counties that added the most residents from the 2020 census to 2025, by raw count of people rather than percentage. This list covers the 92 counties in Indiana that qualify, ranked against each other statewide. The median across all 92 is +379. Biggest climber in the top 100 since 2020: Madison County, IN, up 74 places to #10.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01▲1Hamilton County, ININ387,036+39,569−46%

02▲2Hendricks County, ININ193,510+18,722−34%

03Allen County, ININ402,329+16,919−45%

04▼3Marion County, ININ992,196+14,993−76%

05Johnson County, ININ174,262+12,497−54%

06▲3Hancock County, ININ90,969+11,129+13%

07▼1Boone County, ININ80,689+9,877+24%

08Clark County, ININ130,451+9,358+8%

09▲11Lake County, ININ504,612+5,912−34%

10▲74Madison County, ININ135,088+4,959+84%

11▼4Tippecanoe County, ININ190,456+4,205−77%

12▲10Monroe County, ININ143,345+3,627−69%

13▲1Bartholomew County, ININ85,729+3,521−55%

14▲4Morgan County, ININ74,967+3,187−70%

15Warrick County, ININ66,803+2,905−61%

16▼5Porter County, ININ176,049+2,834−84%

17▲17Vanderburgh County, ININ181,995+1,859−73%

18▼8Elkhart County, ININ208,774+1,727−94%

19▼6Floyd County, ININ82,153+1,669−74%

20▲5DeKalb County, ININ44,535+1,270−74%

21▲71Delaware County, ININ113,106+1,203−235%

22▲61Putnam County, ININ37,876+1,150−80%

23▲28Montgomery County, ININ38,954+1,018−68%

24▲39Jasper County, ININ33,894+976−81%

25▼9Jackson County, ININ47,370+942−74%

26▲5Dearborn County, ININ51,609+930−87%

27▼10LaGrange County, ININ41,305+859−84%

28Whitley County, ININ35,046+855−72%

29▼5Adams County, ININ36,650+841−67%

30▼7Daviess County, ININ34,209+828−64%

31▲1Shelby County, ININ45,882+827−74%

32▲3Harrison County, ININ40,437+783−82%

33Wells County, ININ28,883+703−57%

34▲4Scott County, ININ25,053+669−66%

35▼16Kosciusko County, ININ80,892+652−93%

36▲17Owen County, ININ21,886+565−87%

37▲22Huntington County, ININ37,224+562−79%

38▲42Lawrence County, ININ45,568+557−82%

39▲31Fountain County, ININ17,013+534+266%

40▲38Marshall County, ININ46,599+504−83%

41▲13Franklin County, ININ23,286+501−81%

42▲40Parke County, ININ16,642+486−73%

43▲3Noble County, ININ47,937+480−94%

44▼3White County, ININ25,164+476−76%

45▼6Ripley County, ININ29,434+439−77%

46▼25Dubois County, ININ44,016+379−88%

47▼11Steuben County, ININ34,799+364−94%

48▲41Greene County, ININ31,165+362−87%

49▲37Vigo County, ININ106,512+359−239%

50▲6Newton County, ININ14,188+358−65%

51▼11Carroll County, ININ20,655+349−74%

52▼15Brown County, ININ15,777+302−66%

53▲20Switzerland County, ININ10,037+300−77%

54▲27Spencer County, ININ20,061+251−72%

55▼28Howard County, ININ83,904+246−94%

56▲6Henry County, ININ49,137+223−40%

57▼8Perry County, ININ19,389+219−205%

58▼11Washington County, ININ28,383+201−94%

59▼11Benton County, ININ8,883+164−920%

60▲14Fayette County, ININ23,533+135−132%

61▼17Clinton County, ININ33,322+132−95%

62▼32Jefferson County, ININ33,279+132−93%

63▼34Decatur County, ININ26,576+104−89%

64▼4Gibson County, ININ33,091+80−86%

65▼13Ohio County, ININ5,994+54−82%

66▼23Starke County, ININ23,425+54−93%

67▲4Vermillion County, ININ15,488+49+227%

68▼7Martin County, ININ9,856+44–

69▼24Warren County, ININ8,474+34−86%

70▼4Rush County, ININ16,767+15−89%

71▼3Sullivan County, ININ20,831+14−99%

72▲4Jennings County, ININ27,622+9−100%

73▼23Crawford County, ININ10,509-17−102%

74▼32Orange County, ININ19,834-33−104%

75▲4Cass County, ININ37,836-34−101%

76▼12Tipton County, ININ15,319-40−109%

77▼65St. Joseph County, ININ272,861-51−100%

78▼3Pulaski County, ININ12,463-51−105%

79▼22Clay County, ININ26,410-56−103%

80▲5Randolph County, ININ24,438-64−125%

81▲10Grant County, ININ66,524-150−80%

82▼24Union County, ININ6,863-224−160%

83▼14Posey County, ININ24,988-234−121%

84▼19Pike County, ININ12,003-247−175%

85▲2Wabash County, ININ30,713-263+141%

86▼14Jay County, ININ20,118-360−222%

87▼20Blackford County, ININ11,730-382+1911%

88▲2Wayne County, ININ66,169-384−55%

89▼34Fulton County, ININ20,091-389−123%

90▼2Knox County, ININ35,652-6300%

91▼65LaPorte County, ININ111,294-1,123−137%

92▼15Miami County, ININ34,487-1,475+81%

SHOWING 1–92 OF 92

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