Ranking of Indiana Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Indiana county as at April 2020 was Marion County (977.20K), followed by Lake County (498.70K), and Allen County (385.41K).
The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Indiana.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Indiana Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Indiana Counties By Total Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | Marion County | 977203 |
| 2 | Lake County | 498700 |
| 3 | Allen County | 385410 |
| 4 | Hamilton County | 347467 |
| 5 | St. Joseph County | 272912 |
| 6 | Elkhart County | 207047 |
| 7 | Tippecanoe County | 186251 |
| 8 | Vanderburgh County | 180136 |
| 9 | Hendricks County | 174788 |
| 10 | Porter County | 173215 |
| 11 | Johnson County | 161765 |
| 12 | Monroe County | 139718 |
| 13 | Madison County | 130129 |
| 14 | Clark County | 121093 |
| 15 | LaPorte County | 112417 |
| 16 | Delaware County | 111903 |
| 17 | Vigo County | 106153 |
| 18 | Howard County | 83658 |
| 19 | Bartholomew County | 82208 |
| 20 | Floyd County | 80484 |
| 21 | Kosciusko County | 80240 |
| 22 | Hancock County | 79840 |
| 23 | Morgan County | 71780 |
| 24 | Boone County | 70812 |
| 25 | Grant County | 66674 |
| 26 | Wayne County | 66553 |
| 27 | Warrick County | 63898 |
| 28 | Dearborn County | 50679 |
| 29 | Henry County | 48914 |
| 30 | Noble County | 47457 |
| 31 | Jackson County | 46428 |
| 32 | Marshall County | 46095 |
| 33 | Shelby County | 45055 |
| 34 | Lawrence County | 45011 |
| 35 | Dubois County | 43637 |
| 36 | DeKalb County | 43265 |
| 37 | LaGrange County | 40446 |
| 38 | Harrison County | 39654 |
| 39 | Montgomery County | 37936 |
| 40 | Cass County | 37870 |
| 41 | Putnam County | 36726 |
| 42 | Huntington County | 36662 |
| 43 | Knox County | 36282 |
| 44 | Miami County | 35962 |
| 45 | Adams County | 35809 |
| 46 | Steuben County | 34435 |
| 47 | Whitley County | 34191 |
| 48 | Daviess County | 33381 |
| 49 | Clinton County | 33190 |
| 50 | Jefferson County | 33147 |
| 51 | Gibson County | 33011 |
| 52 | Jasper County | 32918 |
| 53 | Wabash County | 30976 |
| 54 | Greene County | 30803 |
| 55 | Ripley County | 28995 |
| 56 | Washington County | 28182 |
| 57 | Wells County | 28180 |
| 58 | Jennings County | 27613 |
| 59 | Decatur County | 26472 |
| 60 | Clay County | 26466 |
| 61 | Posey County | 25222 |
| 62 | White County | 24688 |
| 63 | Randolph County | 24502 |
| 64 | Scott County | 24384 |
| 65 | Fayette County | 23398 |
| 66 | Starke County | 23371 |
| 67 | Franklin County | 22785 |
| 68 | Owen County | 21321 |
| 69 | Sullivan County | 20817 |
| 70 | Fulton County | 20480 |
| 71 | Jay County | 20478 |
| 72 | Carroll County | 20306 |
| 73 | Orange County | 19867 |
| 74 | Spencer County | 19810 |
| 75 | Perry County | 19170 |
| 76 | Rush County | 16752 |
| 77 | Fountain County | 16479 |
| 78 | Parke County | 16156 |
| 79 | Brown County | 15475 |
| 80 | Vermillion County | 15439 |
| 81 | Tipton County | 15359 |
| 82 | Newton County | 13830 |
| 83 | Pulaski County | 12514 |
| 84 | Pike County | 12250 |
| 85 | Blackford County | 12112 |
| 86 | Crawford County | 10526 |
| 87 | Martin County | 9812 |
| 88 | Switzerland County | 9737 |
| 89 | Benton County | 8719 |
| 90 | Warren County | 8440 |
| 91 | Union County | 7087 |
| 92 | Ohio County | 5940 |