Counties and equivalents in Eastern Time (America/Indiana/Indianapolis)
67 counties and equivalents overlap the America/Indiana/Indianapolis time zone (Eastern Time). They are listed by population, largest first, starting with Marion County, Indiana, Allen County, Indiana, and Hamilton County, Indiana. An overlap does not mean that every address belongs to both.
- Marion County, Indiana
- Allen County, Indiana
- Hamilton County, Indiana
- St. Joseph County, Indiana
- Elkhart County, Indiana
- Hendricks County, Indiana
- Tippecanoe County, Indiana
- Johnson County, Indiana
- Monroe County, Indiana
- Madison County, Indiana
- Delaware County, Indiana
- Vigo County, Indiana
- Hancock County, Indiana
- Bartholomew County, Indiana
- Howard County, Indiana
- Kosciusko County, Indiana
- Boone County, Indiana
- Morgan County, Indiana
- Grant County, Indiana
- Wayne County, Indiana
- Henry County, Indiana
- Noble County, Indiana
- Jackson County, Indiana
- Marshall County, Indiana
- Shelby County, Indiana
- Lawrence County, Indiana
- DeKalb County, Indiana
- LaGrange County, Indiana
- Montgomery County, Indiana
- Putnam County, Indiana
- Cass County, Indiana
- Huntington County, Indiana
- Adams County, Indiana
- Whitley County, Indiana
- Steuben County, Indiana
- Miami County, Indiana
- Clinton County, Indiana
- Jefferson County, Indiana
- Greene County, Indiana
- Wabash County, Indiana
- Ripley County, Indiana
- Wells County, Indiana
- Washington County, Indiana
- Jennings County, Indiana
- Decatur County, Indiana
- Clay County, Indiana
- White County, Indiana
- Scott County, Indiana
- Randolph County, Indiana
- Fayette County, Indiana
- Franklin County, Indiana
- Owen County, Indiana
- Sullivan County, Indiana
- Carroll County, Indiana
- Jay County, Indiana
- Fulton County, Indiana
- Orange County, Indiana
- Fountain County, Indiana
- Rush County, Indiana
- Parke County, Indiana
- Brown County, Indiana
- Vermillion County, Indiana
- Tipton County, Indiana
- Blackford County, Indiana
- Benton County, Indiana
- Warren County, Indiana
- Union County, Indiana