Pennsylvania Philadelphia 12,406 Philadelphia (Pa.) 3,157 Penn 2,158 United States 1,545 Chester County 551 Bucks County (Pa.) 544 Bucks County 531 Berks County (Pa.) 475 Chester County (Pa.) 423 Berks County 396 New Jersey 368 Lancaster County 348 Montgomery County (Pa.) 322 Montgomery County 263 Pittsburgh 259 Lancaster County (Pa.) 245 York County (Pa.) 245 Reading 237 Luzerne County 216 Luzerne County (Pa.) 211 Delaware County 204 York County 202 Delaware County (Pa.) 196 Somerset County (Pa.) 192 Philadelphia Metropolitan Area 187 Somerset County 185 Delaware 184 Allegheny County (Pa.) 181 Northampton County (Pa.) 177 Maryland 175 Allegheny County 171 Northumberland County (Pa.) 166 New York (State) 165 Northumberland County 158 Lancaster 152 Blair County (Pa.) 139 Dauphin County (Pa.) 137 Philadelphia Region 132 Cumberland County 131 Cumberland County (Pa.) 129 Reading (Pa.) 125 Northampton County 123 Dauphin County 118 Morrison Cove 118 Morrison Cove (Pa.) 118 Westmoreland County (Pa.) 115 Washington County (Pa.) 113 Bethlehem 112 Pittsburgh (Pa.) 112 more ...