# Counties in Indiana by population, 2025

All 92 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/indiana-counties
- CSV: https://invokely.ai/download/rankings/population/indiana-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Marion County | 992,196 |
| 2 | Lake County | 504,612 |
| 3 | Allen County | 402,329 |
| 4 | Hamilton County | 387,036 |
| 5 | St. Joseph County | 272,861 |
| 6 | Elkhart County | 208,774 |
| 7 | Hendricks County | 193,510 |
| 8 | Tippecanoe County | 190,456 |
| 9 | Vanderburgh County | 181,995 |
| 10 | Porter County | 176,049 |
| 11 | Johnson County | 174,262 |
| 12 | Monroe County | 143,345 |
| 13 | Madison County | 135,088 |
| 14 | Clark County | 130,451 |
| 15 | Delaware County | 113,106 |
| 16 | LaPorte County | 111,294 |
| 17 | Vigo County | 106,512 |
| 18 | Hancock County | 90,969 |
| 19 | Bartholomew County | 85,729 |
| 20 | Howard County | 83,904 |
| 21 | Floyd County | 82,153 |
| 22 | Kosciusko County | 80,892 |
| 23 | Boone County | 80,689 |
| 24 | Morgan County | 74,967 |
| 25 | Warrick County | 66,803 |
| 26 | Grant County | 66,524 |
| 27 | Wayne County | 66,169 |
| 28 | Dearborn County | 51,609 |
| 29 | Henry County | 49,137 |
| 30 | Noble County | 47,937 |
| 31 | Jackson County | 47,370 |
| 32 | Marshall County | 46,599 |
| 33 | Shelby County | 45,882 |
| 34 | Lawrence County | 45,568 |
| 35 | DeKalb County | 44,535 |
| 36 | Dubois County | 44,016 |
| 37 | LaGrange County | 41,305 |
| 38 | Harrison County | 40,437 |
| 39 | Montgomery County | 38,954 |
| 40 | Putnam County | 37,876 |
| 41 | Cass County | 37,836 |
| 42 | Huntington County | 37,224 |
| 43 | Adams County | 36,650 |
| 44 | Knox County | 35,652 |
| 45 | Whitley County | 35,046 |
| 46 | Steuben County | 34,799 |
| 47 | Miami County | 34,487 |
| 48 | Daviess County | 34,209 |
| 49 | Jasper County | 33,894 |
| 50 | Clinton County | 33,322 |
| 51 | Jefferson County | 33,279 |
| 52 | Gibson County | 33,091 |
| 53 | Greene County | 31,165 |
| 54 | Wabash County | 30,713 |
| 55 | Ripley County | 29,434 |
| 56 | Wells County | 28,883 |
| 57 | Washington County | 28,383 |
| 58 | Jennings County | 27,622 |
| 59 | Decatur County | 26,576 |
| 60 | Clay County | 26,410 |
| 61 | White County | 25,164 |
| 62 | Scott County | 25,053 |
| 63 | Posey County | 24,988 |
| 64 | Randolph County | 24,438 |
| 65 | Fayette County | 23,533 |
| 66 | Starke County | 23,425 |
| 67 | Franklin County | 23,286 |
| 68 | Owen County | 21,886 |
| 69 | Sullivan County | 20,831 |
| 70 | Carroll County | 20,655 |
| 71 | Jay County | 20,118 |
| 72 | Fulton County | 20,091 |
| 73 | Spencer County | 20,061 |
| 74 | Orange County | 19,834 |
| 75 | Perry County | 19,389 |
| 76 | Fountain County | 17,013 |
| 77 | Rush County | 16,767 |
| 78 | Parke County | 16,642 |
| 79 | Brown County | 15,777 |
| 80 | Vermillion County | 15,488 |
| 81 | Tipton County | 15,319 |
| 82 | Newton County | 14,188 |
| 83 | Pulaski County | 12,463 |
| 84 | Pike County | 12,003 |
| 85 | Blackford County | 11,730 |
| 86 | Crawford County | 10,509 |
| 87 | Switzerland County | 10,037 |
| 88 | Martin County | 9,856 |
| 89 | Benton County | 8,883 |
| 90 | Warren County | 8,474 |
| 91 | Union County | 6,863 |
| 92 | Ohio County | 5,994 |