- Dale (Population: 1,568)
- Daleville (Population: 1,658)
- Danville (Population: 6,418)
- Darmstadt (Population: 1,313)
- Dayton (Population: 1,120)
- De Motte (Population: 3,234)
- Decatur (Population: 9,528)
- Delphi (Population: 3,015)
- Dillsboro (Population: 1,436)
- Dunkirk (Population: 2,646)
- Dunlap (Population: 5,887)
- Dyer (Population: 13,895)
