| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Doane | city | Pennsylvania | United States | 41.57278 | -77.33528 | 1141 | 545 |
| Dock Hollow | city | Pennsylvania | United States | 40.69861 | -79.66944 | 1141 | 14857 |
| Dock Junction | city | Pennsylvania | United States | 42.10583 | -80.11889 | 731 | 115239 |
| Doctor Heights subdivision | city | Pennsylvania | United States | 40.68667 | -80.28167 | 1000 | 49672 |
| Doe Run | city | Pennsylvania | United States | 39.91611 | -75.81806 | 318 | 7823 |
| Dog Town | city | Pennsylvania | United States | 40.78028 | -79.52611 | 800 | 14601 |
| Dogtown | city | Pennsylvania | United States | 39.73028 | -78.16722 | 600 | 2344 |
| Dogtown | city | Pennsylvania | United States | 41.57917 | -76.92444 | 1092 | 510 |
| Dogtown | city | Pennsylvania | United States | 40.805 | -76.86417 | 472 | 14926 |
| Dogtown | city | Pennsylvania | United States | 40.96056 | -76.29083 | 813 | 3317 |
| Dogtown | city | Pennsylvania | United States | 40.26667 | -76.28528 | 600 | 8873 |
| Dogtown | city | Pennsylvania | United States | 41.13917 | -76.14667 | 515 | 6179 |
| Dogwood Hollow | city | Pennsylvania | United States | 40.1425 | -74.84028 | 29 | 141700 |
| Dolf | city | Pennsylvania | United States | 39.78306 | -76.54583 | 800 | 6697 |
| Dolington | city | Pennsylvania | United States | 40.265 | -74.89583 | 216 | 33525 |
| Donaldson | city | Pennsylvania | United States | 41.65889 | -79.01333 | 1400 | 887 |
| Donaldson | city | Pennsylvania | United States | 40.63583 | -76.41222 | 1007 | 3993 |
| Donaldsons Crossroads | city | Pennsylvania | United States | 40.27306 | -80.12694 | 1062 | 30330 |
| Donation | city | Pennsylvania | United States | 40.56667 | -77.93806 | 698 | 2091 |
| Donegal | city | Pennsylvania | United States | 40.1125 | -79.38278 | 1797 | 3272 |
| Donegal Heights | city | Pennsylvania | United States | 40.1 | -76.51694 | 396 | 20270 |
| Donegal Springs | city | Pennsylvania | United States | 40.1 | -76.56667 | 400 | 23207 |
| Donerville | city | Pennsylvania | United States | 40.03722 | -76.40861 | 390 | 41786 |
| Donley | city | Pennsylvania | United States | 40.15028 | -80.42806 | 1141 | 3778 |
| Donnally Mills | city | Pennsylvania | United States | 40.51694 | -77.23722 | 675 | 3461 |
| Donnelly | city | Pennsylvania | United States | 40.14417 | -79.59917 | 1197 | 17633 |
| Donnellytown | city | Pennsylvania | United States | 40.28556 | -77.09806 | 498 | 10410 |
| Donner Crossroads | city | Pennsylvania | United States | 41.42778 | -80.38056 | 997 | 11249 |
| Donohoe | city | Pennsylvania | United States | 40.31417 | -79.47472 | 1190 | 23325 |
| Donora | city | Pennsylvania | United States | 40.17333 | -79.85778 | 800 | 32716 |
| Dooleyville | city | Pennsylvania | United States | 40.79028 | -76.43056 | 1138 | 11959 |
| Dora | city | Pennsylvania | United States | 40.96667 | -79.16056 | 1374 | 1600 |
| Dorlan | city | Pennsylvania | United States | 40.0475 | -75.71694 | 298 | 26115 |
| Dormont | city | Pennsylvania | United States | 40.39583 | -80.03333 | 1095 | 233553 |
| Dorneyville | city | Pennsylvania | United States | 40.575 | -75.52 | 396 | 100144 |
| Dornsife | city | Pennsylvania | United States | 40.74556 | -76.78944 | 885 | 2826 |
| Dorothy | city | Pennsylvania | United States | 40.30278 | -79.39361 | 1089 | 24643 |
| Dorrance | city | Pennsylvania | United States | 41.10472 | -76.00861 | 1102 | 5367 |
| Dorset | city | Pennsylvania | United States | 40.70222 | -75.87639 | 1030 | 3057 |
| Dorseyville | city | Pennsylvania | United States | 40.57694 | -79.88889 | 1072 | 37323 |
| Dott | city | Pennsylvania | United States | 39.81417 | -78.18917 | 797 | 1253 |
| Dotter | city | Pennsylvania | United States | 41.21167 | -79.72306 | 1020 | 1633 |
| Dotters Corners | city | Pennsylvania | United States | 40.94472 | -75.52056 | 990 | 5962 |
| Dotyville | city | Pennsylvania | United States | 41.67 | -79.60028 | 1338 | 2262 |
| Doubling Gap | city | Pennsylvania | United States | 40.28056 | -77.41944 | 1092 | 2215 |
| Dougherty | city | Pennsylvania | United States | 40.6175 | -78.46083 | 2227 | 4487 |
| Doughertys Mills | city | Pennsylvania | United States | 41.03778 | -80.03 | 1164 | 6938 |
| Douglass | city | Pennsylvania | United States | 40.24389 | -79.8125 | 800 | 22245 |
| Douglassville | city | Pennsylvania | United States | 40.25778 | -75.72667 | 200 | 15163 |
| Douglassville historical | city | Pennsylvania | United States | 40.775 | -75.33667 | 606 | 17082 |
| Dover | city | Pennsylvania | United States | 40.00167 | -76.85056 | 426 | 19338 |
| Dowler Junction | city | Pennsylvania | United States | 40.82833 | -78.79139 | 1420 | 1478 |
| Dowley Corners | city | Pennsylvania | United States | 41.94889 | -80.265 | 1066 | 5001 |
| Dowlin | city | Pennsylvania | United States | 40.03861 | -75.70694 | 439 | 40820 |
| Downey | city | Pennsylvania | United States | 39.96778 | -78.88028 | 2358 | 2054 |
| Downieville | city | Pennsylvania | United States | 40.68028 | -80.00139 | 1099 | 13706 |
| Downingtown | city | Pennsylvania | United States | 40.00639 | -75.70361 | 288 | 40820 |
| Downtown subdivision | city | Pennsylvania | United States | 40.44056 | -80.00639 | 715 | 249097 |
| Doyles Mills | city | Pennsylvania | United States | 40.48444 | -77.515 | 606 | 1564 |
| Doylesburg | city | Pennsylvania | United States | 40.21333 | -77.70028 | 1082 | 1477 |
| Doylestown | city | Pennsylvania | United States | 40.1975 | -77.72167 | 997 | 1553 |
| Doylestown | city | Pennsylvania | United States | 40.31 | -75.13028 | 308 | 38785 |
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