| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Bachmanville | city | Pennsylvania | United States | 40.2425 | -76.595 | 538 | 14189 |
| Back Mountain | city | Pennsylvania | United States | 41.33583 | -75.99667 | 1194 | 14797 |
| Backup Corners | city | Pennsylvania | United States | 41.91722 | -79.15028 | 1292 | 2976 |
| Backus | city | Pennsylvania | United States | 41.80222 | -78.56417 | 2099 | 1489 |
| Bacon Mill | city | Pennsylvania | United States | 39.8175 | -76.53639 | 797 | 5836 |
| Bacton | city | Pennsylvania | United States | 40.05667 | -75.58667 | 380 | 33087 |
| Baden | city | Pennsylvania | United States | 40.635 | -80.22833 | 948 | 50554 |
| Baederwood | city | Pennsylvania | United States | 40.10667 | -75.1425 | 282 | 249958 |
| Bagdad | city | Pennsylvania | United States | 41.95194 | -80.02444 | 1299 | 3675 |
| Bagdad | city | Pennsylvania | United States | 40.65306 | -79.64444 | 1010 | 17580 |
| Baggaley | city | Pennsylvania | United States | 40.26833 | -79.37278 | 1167 | 18703 |
| Baidland | city | Pennsylvania | United States | 40.19472 | -79.97111 | 1099 | 16429 |
| Bailey | city | Pennsylvania | United States | 40.47333 | -77.07167 | 501 | 4991 |
| Baileyville | city | Pennsylvania | United States | 40.70806 | -77.98556 | 1197 | 2115 |
| Bainbridge | city | Pennsylvania | United States | 40.09083 | -76.66778 | 298 | 13356 |
| Bair | city | Pennsylvania | United States | 39.90528 | -76.82806 | 459 | 18364 |
| Bairdford | city | Pennsylvania | United States | 40.63111 | -79.88167 | 1099 | 18036 |
| Bairdstown | city | Pennsylvania | United States | 40.4325 | -79.27917 | 1085 | 9043 |
| Baker | city | Pennsylvania | United States | 39.83556 | -75.80694 | 324 | 11083 |
| Baker Station | city | Pennsylvania | United States | 40.07528 | -80.22639 | 1223 | 3549 |
| Bakers | city | Pennsylvania | United States | 40.04778 | -80.16139 | 1230 | 4305 |
| Bakers Crossroad | city | Pennsylvania | United States | 40.62417 | -78.69528 | 2188 | 5107 |
| Bakers Summit | city | Pennsylvania | United States | 40.2625 | -78.42167 | 1492 | 4227 |
| Bakerstown | city | Pennsylvania | United States | 40.65083 | -79.93667 | 1099 | 22214 |
| Bakerstown Station | city | Pennsylvania | United States | 40.65528 | -79.97278 | 1210 | 22679 |
| Bakersville | city | Pennsylvania | United States | 40.04222 | -79.21667 | 2024 | 2158 |
| Bakersville | city | Pennsylvania | United States | 40.53167 | -78.78833 | 2208 | 7828 |
| Bakerton | city | Pennsylvania | United States | 40.60278 | -78.745 | 1896 | 6534 |
| Bala | city | Pennsylvania | United States | 39.99917 | -75.23333 | 232 | 533116 |
| Bala-Cynwyd | city | Pennsylvania | United States | 40.0075 | -75.23444 | 285 | 333171 |
| Bald Eagle | city | Pennsylvania | United States | 40.72194 | -78.18556 | 1089 | 3532 |
| Bald Eagle | city | Pennsylvania | United States | 39.77028 | -76.42833 | 508 | 5324 |
| Bald Hill | city | Pennsylvania | United States | 39.74389 | -80.01667 | 1059 | 4697 |
| Bald Hill | city | Pennsylvania | United States | 41.07972 | -78.29333 | 1397 | 1740 |
| Baldwin | city | Pennsylvania | United States | 40.33806 | -79.97917 | 1115 | 149151 |
| Baldwin | city | Pennsylvania | United States | 39.86222 | -75.33639 | 3 | 142338 |
| Baldwin Furnace | city | Pennsylvania | United States | 40.35139 | -79.05056 | 1906 | 4124 |
| Balliet | city | Pennsylvania | United States | 40.77861 | -75.71139 | 853 | 9710 |
| Balliettsville | city | Pennsylvania | United States | 40.67833 | -75.57417 | 485 | 25036 |
| Balls Mills | city | Pennsylvania | United States | 41.31806 | -77.02722 | 803 | 11869 |
| Balltown | city | Pennsylvania | United States | 41.60139 | -79.1725 | 1295 | 596 |
| Bally | city | Pennsylvania | United States | 40.40222 | -75.5875 | 498 | 12783 |
| Balsam | city | Pennsylvania | United States | 41.70306 | -77.34889 | 1781 | 1570 |
| Balsinger | city | Pennsylvania | United States | 39.89611 | -79.79917 | 1210 | 11086 |
| Bamford | city | Pennsylvania | United States | 40.085 | -76.38917 | 498 | 37137 |
| Bandanna | city | Pennsylvania | United States | 39.73861 | -76.9375 | 836 | 12006 |
| Banetown | city | Pennsylvania | United States | 40.07833 | -80.22833 | 1223 | 3549 |
| Baney Settlement | city | Pennsylvania | United States | 41.06806 | -78.425 | 1269 | 9757 |
| Banfield | city | Pennsylvania | United States | 40.63639 | -79.60583 | 800 | 17765 |
| Bangor | city | Pennsylvania | United States | 40.86556 | -75.20694 | 498 | 15982 |
| Banian Junction | city | Pennsylvania | United States | 40.81389 | -78.43667 | 1404 | 2922 |
| Banksville | city | Pennsylvania | United States | 40.40833 | -80.03389 | 1197 | 233553 |
| Bannerville | city | Pennsylvania | United States | 40.73222 | -77.34806 | 698 | 2558 |
| Banning | city | Pennsylvania | United States | 40.11944 | -79.75167 | 997 | 12761 |
| Baoba | city | Pennsylvania | United States | 41.48139 | -75.09167 | 800 | 2134 |
| Barbertown historical | city | Pennsylvania | United States | 41.37111 | -75.735 | 711 | 49964 |
| Barbours | city | Pennsylvania | United States | 41.39306 | -76.79972 | 797 | 1486 |
| Barclay | city | Pennsylvania | United States | 41.65583 | -76.62667 | 1906 | 844 |
| Bardwell | city | Pennsylvania | United States | 41.56111 | -75.8625 | 984 | 5483 |
| Bareville | city | Pennsylvania | United States | 40.09222 | -76.15611 | 396 | 20083 |
| Barkeyville | city | Pennsylvania | United States | 41.19194 | -79.97583 | 1496 | 2640 |
| Barking | city | Pennsylvania | United States | 40.53278 | -79.78222 | 974 | 61792 |
| Barlow | city | Pennsylvania | United States | 39.75528 | -77.23028 | 400 | 11481 |
| Barlow Heights | city | Pennsylvania | United States | 40.21167 | -75.545 | 196 | 29842 |
| Barlow Knoll | city | Pennsylvania | United States | 39.84528 | -77.22639 | 498 | 14198 |
| Barnards | city | Pennsylvania | United States | 40.82528 | -79.23 | 1197 | 2885 |
| Barners Hill | city | Pennsylvania | United States | 40.34806 | -79.73861 | 898 | 48191 |
| Barnes | city | Pennsylvania | United States | 41.12139 | -79.08306 | 1476 | 4605 |
| Barnes | city | Pennsylvania | United States | 41.67806 | -79.02806 | 1400 | 1059 |
| Barnes | city | Pennsylvania | United States | 40.61222 | -78.75694 | 1686 | 7553 |
| Barnes Gap | city | Pennsylvania | United States | 39.74361 | -78.35583 | 800 | 1261 |
| Barnesboro historical | city | Pennsylvania | United States | 40.6625 | -78.78028 | 1555 | 8000 |
| Barneston | city | Pennsylvania | United States | 40.10444 | -75.81028 | 498 | 10665 |
| Barnesville | city | Pennsylvania | United States | 40.81444 | -76.03111 | 1099 | 6453 |
| Barnettstown | city | Pennsylvania | United States | 40.21111 | -78.17722 | 1515 | 1999 |
| Barnitz | city | Pennsylvania | United States | 40.12139 | -77.22667 | 600 | 5606 |
| Barnsley | city | Pennsylvania | United States | 39.76556 | -75.98917 | 495 | 12138 |
| Barr Slope | city | Pennsylvania | United States | 40.71306 | -79.01611 | 1361 | 3265 |
| Barree | city | Pennsylvania | United States | 40.58528 | -78.10083 | 866 | 3370 |
| Barren Hill | city | Pennsylvania | United States | 40.08722 | -75.26333 | 229 | 81368 |
| Barrett | city | Pennsylvania | United States | 41.01056 | -78.38917 | 1305 | 9904 |
| Barrisville | city | Pennsylvania | United States | 40.78444 | -80.24083 | 898 | 11002 |
| Barronvale | city | Pennsylvania | United States | 39.95167 | -79.27167 | 1801 | 1360 |
| Barrs Corners | city | Pennsylvania | United States | 41.27861 | -79.71972 | 1499 | 1885 |
| Barrville | city | Pennsylvania | United States | 40.66306 | -77.67694 | 830 | 4080 |
| Barto | city | Pennsylvania | United States | 40.39111 | -75.61056 | 492 | 12783 |
| Barton | city | Pennsylvania | United States | 40.7925 | -79.05417 | 1387 | 2421 |
| Barton Glen | city | Pennsylvania | United States | 41.00556 | -75.29806 | 1046 | 9571 |
| Bartonsville | city | Pennsylvania | United States | 41.005 | -75.28 | 813 | 12597 |
| Bartville | city | Pennsylvania | United States | 39.89111 | -76.06861 | 603 | 7162 |
| Barwood | city | Pennsylvania | United States | 39.99778 | -76.67333 | 544 | 78140 |
| Basket | city | Pennsylvania | United States | 40.39 | -75.82639 | 790 | 12618 |
| Bass Lake | city | Pennsylvania | United States | 40.14583 | -76.78194 | 498 | 22392 |
| Bastress | city | Pennsylvania | United States | 41.17583 | -77.1375 | 1072 | 5377 |
| Bath | city | Pennsylvania | United States | 40.72556 | -75.39444 | 449 | 19471 |
| Bath Addition | city | Pennsylvania | United States | 40.1075 | -74.86556 | 13 | 123198 |
| Bath Junction | city | Pennsylvania | United States | 40.72194 | -75.38139 | 413 | 19471 |
| Battle Hollow | city | Pennsylvania | United States | 41.00583 | -78.99694 | 1620 | 2889 |
| Bauerstown | city | Pennsylvania | United States | 40.49583 | -79.97667 | 830 | 238451 |
| Baumgardner | city | Pennsylvania | United States | 39.96056 | -76.28111 | 380 | 47882 |
| Baumstown | city | Pennsylvania | United States | 40.28028 | -75.80528 | 262 | 22045 |
| Bausman | city | Pennsylvania | United States | 40.02417 | -76.33111 | 354 | 108105 |
| Bavington | city | Pennsylvania | United States | 40.42583 | -80.36472 | 1089 | 5958 |
| Baxter | city | Pennsylvania | United States | 41.13444 | -79.15 | 1312 | 3946 |
| Bayard Park subdivision | city | Pennsylvania | United States | 40.63472 | -75.34639 | 298 | 88390 |
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