- Tacoma Park
- Tunerville
- Thatcher
- Thunderbird Colony
- Towhead Island (historical)
- Tabor
- Toronto
- Tulare
- Trent
- Thomas
- Three Sisters Islands (historical)
- Terraville
- Terry
- Tinton
- Tomahawk
- Trojan
- Thunderbird Homes Addition
- Tigerville
- Twilight Hills Addition
- Torvik Subdivision
- Teton
- Thunder Butte
- Thunder Hawk
- Tilford
- Trail City
- Troy
- Tschetter Colony
- Tuthill
- Tea
- Timber Lake