Counties in Indiana
Each county page says how cases move there under Indiana's rules, and lists the police agencies that serve it.
92 counties, largest first
- Marion County992,196 people · 13 agencies
- Lake County504,612 people · 20 agencies
- Allen County402,329 people · 6 agencies
- Hamilton County387,036 people · 8 agencies
- St. Joseph County272,861 people · 11 agencies
- Elkhart County208,774 people · 5 agencies
- Hendricks County193,510 people · 13 agencies
- Tippecanoe County190,456 people · 6 agencies
- Vanderburgh County181,995 people · 3 agencies
- Porter County176,049 people · 9 agencies
- Johnson County174,262 people · 10 agencies
- Monroe County143,345 people · 4 agencies
- Madison County135,088 people · 6 agencies
- Clark County130,451 people · 7 agencies
- Delaware County113,106 people · 6 agencies
- LaPorte County111,294 people · 10 agencies
- Vigo County106,512 people · 5 agencies
- Hancock County90,969 people · 7 agencies
- Bartholomew County85,729 people · 4 agencies
- Howard County83,904 people · 4 agencies
- Floyd County82,153 people · 4 agencies
- Kosciusko County80,892 people · 9 agencies
- Boone County80,689 people · 4 agencies
- Morgan County74,967 people · 3 agencies
- Warrick County66,803 people · 2 agencies
- Grant County66,524 people · 4 agencies
- Wayne County66,169 people · 5 agencies
- Dearborn County51,609 people · 4 agencies
- Henry County49,137 people · 3 agencies
- Noble County47,937 people · 4 agencies
- Jackson County47,370 people · 3 agencies
- Marshall County46,599 people · 5 agencies
- Shelby County45,882 people · 3 agencies
- Lawrence County45,568 people · 3 agencies
- DeKalb County44,535 people · 5 agencies
- Dubois County44,016 people · 3 agencies
- LaGrange County41,305 people · 6 agencies
- Harrison County40,437 people · 2 agencies
- Montgomery County38,954 people · 2 agencies
- Putnam County37,876 people · 4 agencies
- Cass County37,836 people · 2 agencies
- Huntington County37,224 people · 4 agencies
- Adams County36,650 people · 3 agencies
- Knox County35,652 people · 3 agencies
- Whitley County35,046 people · 3 agencies
- Steuben County34,799 people · 4 agencies
- Miami County34,487 people · 2 agencies
- Daviess County34,209 people · 2 agencies
- Jasper County33,894 people · 3 agencies
- Clinton County33,322 people · 2 agencies
- Jefferson County33,279 people · 2 agencies
- Gibson County33,091 people · 3 agencies
- Greene County31,165 people · 6 agencies
- Wabash County30,713 people · 3 agencies
- Ripley County29,434 people · 2 agencies
- Wells County28,883 people · 4 agencies
- Washington County28,383 people · 2 agencies
- Jennings County27,622 people · 2 agencies
- Decatur County26,576 people · 2 agencies
- Clay County26,410 people · 3 agencies
- White County25,164 people · 3 agencies
- Scott County25,053 people · 3 agencies
- Posey County24,988 people · 3 agencies
- Randolph County24,438 people · 4 agencies
- Fayette County23,533 people · 2 agencies
- Starke County23,425 people · 3 agencies
- Franklin County23,286 people · 3 agencies
- Owen County21,886 people · 2 agencies
- Sullivan County20,831 people · 4 agencies
- Carroll County20,655 people · 3 agencies
- Jay County20,118 people · 3 agencies
- Fulton County20,091 people · 2 agencies
- Spencer County20,061 people · 5 agencies
- Orange County19,834 people · 2 agencies
- Perry County19,389 people · 4 agencies
- Fountain County17,013 people · 3 agencies
- Rush County16,767 people · 2 agencies
- Parke County16,642 people · 2 agencies
- Brown County15,777 people · 1 agencies
- Vermillion County15,488 people · 2 agencies
- Tipton County15,319 people · 3 agencies
- Newton County14,188 people · 1 agencies
- Pulaski County12,463 people · 1 agencies
- Pike County12,003 people · 2 agencies
- Blackford County11,730 people · 3 agencies
- Crawford County10,509 people · 3 agencies
- Switzerland County10,037 people · 2 agencies
- Martin County9,856 people · 2 agencies
- Benton County8,883 people · 2 agencies
- Warren County8,474 people · 1 agencies
- Union County6,863 people · 1 agencies
- Ohio County5,994 people · 1 agencies
Population: Census Bureau county population estimates, Vintage 2025 (cc-est2025-alldata), July 1, 2025.