Pennsylvania Cities that begin with O

There are 41 cities in Pennsylvania that start with the letter O.

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City
2024 Population
O'Hara township8,877
Oakdale1,411
Oakland552
Oakland township2,704
Oakland township489
Oakland township1,323
Oakmont6,579
Ogle township474
Ohio township7,331
Ohiopyle36
Ohioville3,285
Oil City9,302
Oil Creek township1,653
Oil Creek township727
Oklahoma768
Old Forge8,654
Old Lycoming township4,910
Oley township3,852
Oliver township985
Oliver township2,036
Oliver township2,053
Olyphant5,382
Oneida township994
Ontelaunee township3,011
Orange township1,174
Orangeville478
Orbisonia445
Oregon township846
Orrstown212
Orwell township1,190
Orwigsburg3,004
Osceola Mills1,004
Osceola township574
Oswayo129
Oswayo township219
Otter Creek township507
Otto township1,463
Overfield township1,427
Overton township240
Oxford5,884
Oxford township6,068
showing: 41 rows
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Cities in Pennsylvania by First Letter