Zip Code 19120 | PHILADELPHIA, PA | Population: 68,104 - See MORE Zip Code 19124 | PHILADELPHIA, PA | Population: 66,691 - See MORE Zip Code 19143 | PHILADELPHIA, PA | Population: 64,849 - See MORE Zip Code 19111 | PHILADELPHIA, PA | Population: 63,090 - See MORE Zip Code 17603 | LANCASTER, PA | Population: 61,973 - See MORE Zip Code 19134 | PHILADELPHIA, PA | Population: 60,675 - See MORE Zip Code 15601 | GREENSBURG, PA | Population: 59,483 - See MORE Zip Code 19020 | BENSALEM, PA | Population: 55,493 - See MORE Zip Code 19446 | LANSDALE, PA | Population: 55,138 - See MORE Zip Code 19149 | PHILADELPHIA, PA | Population: 55,006 - See MORE Zip Code 19140 | PHILADELPHIA, PA | Population: 54,133 - See MORE Zip Code 17602 | LANCASTER, PA | Population: 52,452 - See MORE Zip Code 19382 | WEST CHESTER, PA | Population: 52,388 - See MORE Zip Code 19320 | COATESVILLE, PA | Population: 52,342 - See MORE Zip Code 19104 | PHILADELPHIA, PA | Population: 51,808 - See MORE Zip Code 19067 | MORRISVILLE, PA | Population: 51,334 - See MORE Zip Code 17331 | HANOVER, PA | Population: 50,292 - See MORE Zip Code 18102 | ALLENTOWN, PA | Population: 49,779 - See MORE Zip Code 17601 | LANCASTER, PA | Population: 49,779 - See MORE Zip Code 19148 | PHILADELPHIA, PA | Population: 49,732 - See MORE Zip Code 19380 | WEST CHESTER, PA | Population: 49,534 - See MORE Zip Code 15301 | WASHINGTON, PA | Population: 49,331 - See MORE Zip Code 19145 | PHILADELPHIA, PA | Population: 47,261 - See MORE Zip Code 19335 | DOWNINGTOWN, PA | Population: 46,984 - See MORE Zip Code 19464 | POTTSTOWN, PA | Population: 45,788 - See MORE Zip Code 18103 | ALLENTOWN, PA | Population: 45,336 - See MORE Zip Code 15642 | IRWIN, PA | Population: 45,286 - See MORE Zip Code 17701 | WILLIAMSPORT, PA | Population: 44,661 - See MORE Zip Code 19403 | NORRISTOWN, PA | Population: 44,260 - See MORE Zip Code 19144 | PHILADELPHIA, PA | Population: 43,329 - See MORE Zip Code 18104 | ALLENTOWN, PA | Population: 43,236 - See MORE Zip Code 19131 | PHILADELPHIA, PA | Population: 43,172 - See MORE Zip Code 16801 | STATE COLLEGE, PA | Population: 42,812 - See MORE Zip Code 17543 | LITITZ, PA | Population: 42,626 - See MORE Zip Code 15237 | PITTSBURGH, PA | Population: 41,895 - See MORE Zip Code 19401 | NORRISTOWN, PA | Population: 41,753 - See MORE Zip Code 18042 | EASTON, PA | Population: 41,570 - See MORE Zip Code 19139 | PHILADELPHIA, PA | Population: 41,271 - See MORE Zip Code 19082 | UPPER DARBY, PA | Population: 40,997 - See MORE Zip Code 18974 | WARMINSTER, PA | Population: 40,953 - See MORE Zip Code 19136 | PHILADELPHIA, PA | Population: 40,647 - See MORE Zip Code 16001 | BUTLER, PA | Population: 40,371 - See MORE Zip Code 18702 | WILKES BARRE, PA | Population: 40,295 - See MORE Zip Code 19460 | PHOENIXVILLE, PA | Population: 40,154 - See MORE Zip Code 15108 | CORAOPOLIS, PA | Population: 40,153 - See MORE Zip Code 17403 | YORK, PA | Population: 39,042 - See MORE Zip Code 19426 | COLLEGEVILLE, PA | Population: 38,831 - See MORE Zip Code 15068 | NEW KENSINGTON, PA | Population: 38,785 - See MORE Zip Code 18966 | SOUTHAMPTON, PA | Population: 37,999 - See MORE Zip Code 18017 | BETHLEHEM, PA | Population: 37,549 - See MORE Zip Code 17042 | LEBANON, PA | Population: 37,133 - See MORE Zip Code 19121 | PHILADELPHIA, PA | Population: 36,572 - See MORE Zip Code 15317 | CANONSBURG, PA | Population: 36,535 - See MORE Zip Code 17402 | YORK, PA | Population: 36,360 - See MORE Zip Code 19132 | PHILADELPHIA, PA | Population: 36,268 - See MORE Zip Code 19147 | PHILADELPHIA, PA | Population: 36,228 - See MORE Zip Code 19083 | HAVERTOWN, PA | Population: 35,878 - See MORE Zip Code 19063 | MEDIA, PA | Population: 35,704 - See MORE Zip Code 17404 | YORK, PA | Population: 35,517 - See MORE Zip Code 19128 | PHILADELPHIA, PA | Population: 35,239 - See MORE Zip Code 19013 | CHESTER, PA | Population: 35,130 - See MORE Zip Code 19146 | PHILADELPHIA, PA | Population: 35,113 - See MORE Zip Code 19047 | LANGHORNE, PA | Population: 35,056 - See MORE Zip Code 15701 | INDIANA, PA | Population: 34,704 - See MORE Zip Code 18951 | QUAKERTOWN, PA | Population: 34,651 - See MORE Zip Code 17011 | CAMP HILL, PA | Population: 34,586 - See MORE Zip Code 15235 | PITTSBURGH, PA | Population: 34,580 - See MORE Zip Code 17013 | CARLISLE, PA | Population: 34,575 - See MORE Zip Code 19606 | READING, PA | Population: 34,416 - See MORE Zip Code 17055 | MECHANICSBURG, PA | Population: 34,237 - See MORE Zip Code 19154 | PHILADELPHIA, PA | Population: 34,196 - See MORE Zip Code 16101 | NEW CASTLE, PA | Population: 34,042 - See MORE Zip Code 16601 | ALTOONA, PA | Population: 33,870 - See MORE Zip Code 17112 | HARRISBURG, PA | Population: 33,850 - See MORE Zip Code 19152 | PHILADELPHIA, PA | Population: 33,293 - See MORE Zip Code 19115 | PHILADELPHIA, PA | Population: 33,207 - See MORE Zip Code 19116 | PHILADELPHIA, PA | Population: 33,112 - See MORE Zip Code 19135 | PHILADELPHIA, PA | Population: 33,091 - See MORE Zip Code 19601 | READING, PA | Population: 32,998 - See MORE Zip Code 18015 | BETHLEHEM, PA | Population: 32,832 - See MORE Zip Code 17050 | MECHANICSBURG, PA | Population: 32,815 - See MORE Zip Code 17522 | EPHRATA, PA | Population: 32,483 - See MORE Zip Code 18018 | BETHLEHEM, PA | Population: 32,413 - See MORE Zip Code 19002 | AMBLER, PA | Population: 32,412 - See MORE Zip Code 15401 | UNIONTOWN, PA | Population: 32,288 - See MORE Zip Code 19138 | PHILADELPHIA, PA | Population: 32,273 - See MORE Zip Code 19087 | WAYNE, PA | Population: 32,225 - See MORE Zip Code 15001 | ALIQUIPPA, PA | Population: 31,964 - See MORE Zip Code 19038 | GLENSIDE, PA | Population: 31,595 - See MORE Zip Code 19141 | PHILADELPHIA, PA | Population: 31,376 - See MORE Zip Code 18704 | KINGSTON, PA | Population: 31,206 - See MORE Zip Code 15221 | PITTSBURGH, PA | Population: 31,060 - See MORE Zip Code 17815 | BLOOMSBURG, PA | Population: 30,967 - See MORE Zip Code 19114 | PHILADELPHIA, PA | Population: 30,907 - See MORE Zip Code 15213 | PITTSBURGH, PA | Population: 30,844 - See MORE Zip Code 19026 | DREXEL HILL, PA | Population: 30,738 - See MORE Zip Code 17111 | HARRISBURG, PA | Population: 30,714 - See MORE Zip Code 17202 | CHAMBERSBURG, PA | Population: 30,200 - See MORE Zip Code 19151 | PHILADELPHIA, PA | Population: 29,883 - See MORE Zip Code 17046 | LEBANON, PA | Population: 29,790 - See MORE