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| Dahinda | Dekalb | Donovan |
| Dahlgren | De Land | Dorchester |
| Dakota | Delavan | Dorsey |
| Dale | Delong | Dover |
| Dallas City | Dennison | Dow |
| Dalton City | Depue | Dowell |
| Dalzell | De Soto | Downers Grove |
| Dana | Des Plaines | Downs |
| Danforth | Detroit | DuBois |
| Danvers | Dewey | Dundas |
| Danville | Dewitt | Dundee |
| Darien | Dieterich | Dunfermline |
| Davis | Divernon | Dunkel |
| Davis Junction | Dix | Dunlap |
| Dawson | Dixon | Dupo |
| Decatur | Dollville | DuQuoin |
| Deer Creek | Dolton | Durand |
| Deer Grove | Dongola | Duvall |
| Deerfield | Donnellson | Dwight |