| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Niagara | city | Pennsylvania | United States | 41.73 | -75.34 | 1669 | |
| Niantic | city | Pennsylvania | United States | 40.38 | -75.57 | 830 | |
| Nicetown | city | Pennsylvania | United States | 40.01 | -75.16 | 108 | |
| Nicetown-Tioga | city | Pennsylvania | United States | 40.03 | -75.16 | 101 | |
| Nichola | city | Pennsylvania | United States | 40.87 | -79.69 | 1158 | |
| Nicholson | city | Pennsylvania | United States | 41.63 | -75.78 | 830 | |
| Nickleville | city | Pennsylvania | United States | 41.28 | -79.65 | 1669 | |
| Nicklin | city | Pennsylvania | United States | 41.40 | -79.89 | 1669 | |
| Nicktown | city | Pennsylvania | United States | 40.61 | -78.80 | 1902 | |
| Nicodemus | city | Pennsylvania | United States | 39.79 | -77.60 | 830 | |
| Nihil | city | Pennsylvania | United States | 40.43 | -79.49 | 1669 | |
| Nilan | city | Pennsylvania | United States | 39.73 | -79.88 | 830 | |
| Niles | city | Pennsylvania | United States | 41.40 | -79.91 | 1197 | |
| Niles Valley | city | Pennsylvania | United States | 41.83 | -77.29 | 1253 | |
| Nine Row | city | Pennsylvania | United States | 40.54 | -78.80 | 1975 | |
| Ninepoints | city | Pennsylvania | United States | 39.91 | -76.05 | 830 | |
| Nineveh | city | Pennsylvania | United States | 39.96 | -80.31 | 1197 | |
| Nineveh | city | Pennsylvania | United States | 41.26 | -79.60 | 1669 | |
| Nippono Park (historical) | city | Pennsylvania | United States | 41.19 | -77.19 | 1164 | |
| Nisbet | city | Pennsylvania | United States | 41.22 | -77.11 | 830 | |
| Nisky | city | Pennsylvania | United States | 40.75 | -75.28 | 396 | |
| Nittany | city | Pennsylvania | United States | 41.00 | -77.56 | 889 | |
| Niver Junction | city | Pennsylvania | United States | 39.90 | -78.96 | 2509 | |
| Niverton | city | Pennsylvania | United States | 39.73 | -79.13 | 2509 | |
| Nixon | city | Pennsylvania | United States | 41.94 | -76.14 | 1669 | |
| Nixon | city | Pennsylvania | United States | 40.78 | -79.93 | 1669 |