| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Sudan | city | Pennsylvania | United States | 40.16389 | -79.96778 | 1062 | 14679 |
| Suedberg | city | Pennsylvania | United States | 40.52694 | -76.47 | 554 | 4758 |
| Sugar Grove | city | Pennsylvania | United States | 41.9825 | -79.33889 | 1397 | 2487 |
| Sugar Hill | city | Pennsylvania | United States | 40.15222 | -80.31028 | 1295 | 15712 |
| Sugar Hill | city | Pennsylvania | United States | 41.24306 | -78.87806 | 1699 | 1497 |
| Sugar Notch | city | Pennsylvania | United States | 41.19694 | -75.92861 | 915 | 46339 |
| Sugar Run | city | Pennsylvania | United States | 41.64222 | -76.24194 | 698 | 1961 |
| Sugar Run historical | city | Pennsylvania | United States | 41.89667 | -78.94389 | 1299 | 1311 |
| Sugarcreek | city | Pennsylvania | United States | 41.42139 | -79.88139 | 997 | 6513 |
| Sugartown | city | Pennsylvania | United States | 39.99972 | -75.50833 | 498 | 46632 |
| Sulger | city | Pennsylvania | United States | 41.16611 | -78.98417 | 1489 | 2238 |
| Sulphur Springs | city | Pennsylvania | United States | 39.96389 | -78.60806 | 1404 | 1873 |
| Sumerson | city | Pennsylvania | United States | 41.32639 | -78.3325 | 1099 | 591 |
| Summer Hill | city | Pennsylvania | United States | 41.09222 | -76.25472 | 1010 | 12916 |
| Summer Hill subdivision | city | Pennsylvania | United States | 40.48778 | -80.0075 | 1164 | 195851 |
| Summerdale | city | Pennsylvania | United States | 40.30889 | -76.92778 | 298 | 47577 |
| Summerdale subdivision | city | Pennsylvania | United States | 40.0325 | -75.08944 | 91 | 527447 |
| Summerhill | city | Pennsylvania | United States | 40.37806 | -78.76083 | 1827 | 7467 |
| Summerhill | city | Pennsylvania | United States | 39.77389 | -76.07417 | 347 | 6815 |
| Summerville | city | Pennsylvania | United States | 41.11611 | -79.18694 | 1295 | 2128 |
| Summit | city | Pennsylvania | United States | 40.45778 | -78.57222 | 2388 | 9663 |
| Summit | city | Pennsylvania | United States | 41.94278 | -78.53194 | 2037 | 2425 |
| Summit Hill | city | Pennsylvania | United States | 40.82472 | -75.87139 | 1496 | 12628 |
| Summit Lawn | city | Pennsylvania | United States | 40.55917 | -75.43389 | 403 | 100158 |
| Summit Mills | city | Pennsylvania | United States | 39.80889 | -79.07583 | 2214 | 5431 |
| Summit Station | city | Pennsylvania | United States | 40.56389 | -76.20472 | 797 | 6667 |
| Sumneytown | city | Pennsylvania | United States | 40.32889 | -75.45139 | 390 | 18129 |
| Sun Valley | city | Pennsylvania | United States | 41.01111 | -75.47 | 1689 | 5524 |
| Sun Valley | city | Pennsylvania | United States | 40.98194 | -75.46639 | 1115 | 7089 |
| Sunbrook | city | Pennsylvania | United States | 40.43333 | -78.43333 | 1020 | 22665 |
| Sunbury | city | Pennsylvania | United States | 40.8625 | -76.79472 | 488 | 23930 |
| Suncliff | city | Pennsylvania | United States | 40.55778 | -79.00861 | 1345 | 2902 |
| Sundale | city | Pennsylvania | United States | 40.48056 | -75.11028 | 246 | 6833 |
| Sunderlinville | city | Pennsylvania | United States | 41.82778 | -77.63889 | 1755 | 619 |
| Sundy Place | city | Pennsylvania | United States | 40.28 | -77.46167 | 1053 | 1771 |
| Sunflower | city | Pennsylvania | United States | 40.73139 | -80.23972 | 1197 | 20605 |
| Sunny Rest Lodge | city | Pennsylvania | United States | 40.82222 | -75.65 | 918 | 17196 |
| Sunny Side | city | Pennsylvania | United States | 40.19806 | -79.88333 | 800 | 40425 |
| Sunny Side | city | Pennsylvania | United States | 40.14194 | -78.28583 | 954 | 2381 |
| Sunnybrook | city | Pennsylvania | United States | 40.11333 | -75.19778 | 200 | 205765 |
| Sunnyburn | city | Pennsylvania | United States | 39.80556 | -76.37111 | 649 | 4852 |
| Sunnyland | city | Pennsylvania | United States | 40.20278 | -77.01167 | 456 | 31898 |
| Sunnyside | city | Pennsylvania | United States | 40.96972 | -80.40806 | 1020 | 25212 |
| Sunnyside | city | Pennsylvania | United States | 40.81361 | -79.46556 | 1023 | 11731 |
| Sunnyside | city | Pennsylvania | United States | 41.95139 | -78.18639 | 1545 | 1222 |
| Sunnyside | city | Pennsylvania | United States | 40.81639 | -76.57889 | 1299 | 20024 |
| Sunnyside | city | Pennsylvania | United States | 40.02611 | -76.27861 | 298 | 89311 |
| Sunol | city | Pennsylvania | United States | 41.47417 | -80.14556 | 1414 | 2461 |
| Sunrise | city | Pennsylvania | United States | 40.97139 | -79.16833 | 1505 | 1699 |
| Sunrise Lake | city | Pennsylvania | United States | 41.30972 | -74.96694 | 1295 | 4271 |
| Sunset | city | Pennsylvania | United States | 40.36472 | -76.41778 | 600 | 48697 |
| Sunset Manor | city | Pennsylvania | United States | 40.33944 | -76.82333 | 492 | 34299 |
| Sunset Pines | city | Pennsylvania | United States | 41.14694 | -77.47083 | 616 | 11033 |
| Sunset Terrace | city | Pennsylvania | United States | 39.90667 | -76.66 | 800 | 36610 |
| Sunset Valley | city | Pennsylvania | United States | 41.0675 | -80.30944 | 1033 | 20809 |
| Sunset Valley | city | Pennsylvania | United States | 40.30528 | -79.73944 | 1105 | 41241 |
| Sunshine | city | Pennsylvania | United States | 39.81639 | -79.91667 | 885 | 7254 |
| Sunville | city | Pennsylvania | United States | 41.55194 | -79.835 | 1427 | 2229 |
| Superior | city | Pennsylvania | United States | 39.99194 | -79.89306 | 1095 | 14025 |
| Superior | city | Pennsylvania | United States | 40.35528 | -79.33833 | 1099 | 18378 |
| Suplee | city | Pennsylvania | United States | 40.09944 | -75.87944 | 685 | 10796 |
| Surgeon Hall | city | Pennsylvania | United States | 40.34806 | -79.96639 | 1187 | 149151 |
| Surveyor | city | Pennsylvania | United States | 41.07389 | -78.32583 | 1387 | 1740 |
| Suscon | city | Pennsylvania | United States | 41.30222 | -75.72278 | 1532 | 31503 |
| Susquehanna | city | Pennsylvania | United States | 41.94333 | -75.6 | 1026 | 3121 |
| Susquehanna Heights | city | Pennsylvania | United States | 39.90472 | -76.72583 | 606 | 46064 |
| Susquehanna Manor | city | Pennsylvania | United States | 40.29417 | -76.84833 | 419 | 90628 |
| Susquehanna Trails | city | Pennsylvania | United States | 39.75861 | -76.36833 | 357 | 5074 |
| Sutersville | city | Pennsylvania | United States | 40.23611 | -79.79944 | 810 | 22245 |
| Sutton | city | Pennsylvania | United States | 41.14833 | -79.21556 | 1541 | 2377 |
| Sutton Mill | city | Pennsylvania | United States | 41.19028 | -79.78194 | 1295 | 1942 |
| Sutton Terrace | city | Pennsylvania | United States | 40.00667 | -75.22 | 219 | 333171 |
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