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.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

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

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

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

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

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

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

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

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

09Lake County, ININ504,612+5,912−34%

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

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

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

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

14Morgan County, ININ74,967+3,187−70%

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

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

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

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

19Floyd County, ININ82,153+1,669−74%

20DeKalb County, ININ44,535+1,270−74%

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

22Putnam County, ININ37,876+1,150−80%

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

24Jasper County, ININ33,894+976−81%

25Jackson County, ININ47,370+942−74%

26Dearborn County, ININ51,609+930−87%

27LaGrange County, ININ41,305+859−84%

28Whitley County, ININ35,046+855−72%

29Adams County, ININ36,650+841−67%

30Daviess County, ININ34,209+828−64%

31Shelby County, ININ45,882+827−74%

32Harrison County, ININ40,437+783−82%

33Wells County, ININ28,883+703−57%

34Scott County, ININ25,053+669−66%

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

36Owen County, ININ21,886+565−87%

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

38Lawrence County, ININ45,568+557−82%

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

40Marshall County, ININ46,599+504−83%

41Franklin County, ININ23,286+501−81%

42Parke County, ININ16,642+486−73%

43Noble County, ININ47,937+480−94%

44White County, ININ25,164+476−76%

45Ripley County, ININ29,434+439−77%

46Dubois County, ININ44,016+379−88%

47Steuben County, ININ34,799+364−94%

48Greene County, ININ31,165+362−87%

49Vigo County, ININ106,512+359−239%

50Newton County, ININ14,188+358−65%

51Carroll County, ININ20,655+349−74%

52Brown County, ININ15,777+302−66%

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

54Spencer County, ININ20,061+251−72%

55Howard County, ININ83,904+246−94%

56Henry County, ININ49,137+223−40%

57Perry County, ININ19,389+219−205%

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

59Benton County, ININ8,883+164−920%

60Fayette County, ININ23,533+135−132%

61Clinton County, ININ33,322+132−95%

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

63Decatur County, ININ26,576+104−89%

64Gibson County, ININ33,091+80−86%

65Ohio County, ININ5,994+54−82%

66Starke County, ININ23,425+54−93%

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

68Martin County, ININ9,856+44–

69Warren County, ININ8,474+34−86%

70Rush County, ININ16,767+15−89%

71Sullivan County, ININ20,831+14−99%

72Jennings County, ININ27,622+9−100%

73Crawford County, ININ10,509-17−102%

74Orange County, ININ19,834-33−104%

75Cass County, ININ37,836-34−101%

76Tipton County, ININ15,319-40−109%

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

78Pulaski County, ININ12,463-51−105%

79Clay County, ININ26,410-56−103%

80Randolph County, ININ24,438-64−125%

81Grant County, ININ66,524-150−80%

82Union County, ININ6,863-224−160%

83Posey County, ININ24,988-234−121%

84Pike County, ININ12,003-247−175%

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

86Jay County, ININ20,118-360−222%

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

88Wayne County, ININ66,169-384−55%

89Fulton County, ININ20,091-389−123%

90Knox County, ININ35,652-630+0%

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

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

SHOWING 1–92 OF 92

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES