- Thompson Grove
- Three Forks
- Topaz
- Togo
- Twist
- Tulip
- Trippe Junction
- Tennessee
- Trouble Island (historical)
- Toney
- Thiel
- Taylor
- Thornton
- Tupelo
- Tunis
- Twin Oaks
- Temperanceville
- The Quarry
- Twin Bridges
- Twin Creek
- Towhead Island
- Thomasville
- Tongin
- Turkey Scratch
- Terry
- Temple
- Thompson Subdivision
- Tate
- Tokalon
- Talbot Addition