- Dahlgren
- Dakota
- Dallas City
- Dalton City
- Dalzell
- Damiansville
- Dana
- Danforth
- Danvers
- Danville
- Darien
- Darmstadt
- Davis
- Davis Junction
- Dawson
- Dayton
- De Land
- De Soto
- De Witt
- Decatur
- Deer Creek
- Deer Grove
- Deer Park
- Deer Park
- Deerfield
- DeKalb
- Delavan
- Depue
- Des Plaines
- Detroit
- Diamond
- Dieterich
- Divernon
- Dix
- Dixmoor
- Dixon
- Dolton
- Dongola
- Donnellson
- Donovan
- Dorchester
- Douglas
- Dover
- Dowell
- Downers Grove
- Downs
- Du Bois
- Du Quoin
- Dunfermline
- Dunlap
- Dupo
- Durand
- Dwight
