- Dahinda
- Dahlgren
- Dakota
- Dale
- Dallas City
- Dalton City
- Dana
- Danvers
- Danvers Township
- Darien
- Davis
- Davis Junction
- Dawson
- De Land
- De Soto
- De Witt
- Decatur
- Decatur Township
- Deer Creek
- Deerfield
- Dekalb
- DeKalb Township
- Delavan
- Delavan Township
- Dennison
- Des Plaines
- Dewitt
- Diamond
- Dieterich
- Divernon
- Dix
- Dix
- Dixon
- Dolton
- Dongola
- Donnellson
- Dorsey
- Dow
- Dowell
- Downers Grove
- Downs
- Du Bois
- Du Quoin
- Dundas
- Dundee
- Dunfermline
- Dunlap
- Dupo
- Durand
- Dwight