City | 2024 Population |
|---|---|
| Dahlgren | 499 |
| Dakota | 476 |
| Dale | 1,234 |
| Dallas City | 781 |
| Dalton City | 433 |
| Dalzell | 643 |
| Damiansville | 548 |
| Dana | 156 |
| Danforth | 568 |
| Danvers | 1,063 |
| Danville | 27,898 |
| Darien | 21,597 |
| Darwin | 325 |
| Davis | 564 |
| Davis Junction | 2,545 |
| Dawson | 503 |
| Dayton | 521 |
| De Land | 443 |
| De Pue | 1,575 |
| De Soto | 1,374 |
| De Witt | 164 |
| Decatur | 67,917 |
| Decker | 394 |
| Deer Creek | 644 |
| Deer Grove | 37 |
| Deer Park | 3,610 |
| Deerfield | 18,794 |
| Degognia | 145 |
| DeKalb | 40,208 |
| Delavan | 1,530 |
| Dement | 938 |
| Denison | 1,207 |
| Denning | 4,619 |
| Denver | 374 |
| Derinda | 280 |
| Derry | 208 |
| Des Plaines | 57,195 |
| Detroit | 76 |
| Dewey | 164 |
| Diamond | 2,700 |
| Dieterich | 863 |
| Dillon | 930 |
| Dimmick | 727 |
| Divernon | 1,105 |
| Dix | 456 |
| Dixmoor | 2,860 |
| Dixon | 15,042 |
| Dodds | 2,618 |
| Dolson | 344 |
| Dolton | 20,103 |
| Dongola | 632 |
| Donnellson | 148 |
| Donovan | 234 |
| Dora | 660 |
| Dorchester | 123 |
| Dorr | 21,375 |
| Douglas | 126 |
| Dover | 134 |
| Dowell | 362 |
| Downers Grove | 49,565 |
| Downs | 1,170 |
| Drummer | 3,797 |
| Drury | 729 |
| Dry Grove | 1,528 |
| Dry Point | 945 |
| Du Bois | 180 |
| Du Page | 87,572 |
| Du Quoin | 5,652 |
| Duncan | 254 |
| Dundas | 355 |
| Dundee | 63,368 |
| Dunfermline | 251 |
| Dunham | 2,717 |
| Dunlap | 1,564 |
| Dunleith | 3,470 |
| Dupo | 3,769 |
| Durand | 1,364 |
| Durham | 246 |
| Dwight | 4,035 |