There are 36 cities in Northampton County, Pennsylvania.
Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)
City | Rank | State | 2024 Population | 2020 Census | Annual Change | Density (mi²) | Area (mi²) |
|---|---|---|---|---|---|---|---|
| Allentown | 1 | Pennsylvania | 124,597 | 125,727 | -0.23% | 7,094 | 17.56 |
| Bethlehem | 2 | Pennsylvania | 79,167 | 75,699 | 1.11% | 4,142 | 19.11 |
| Easton | 3 | Pennsylvania | 30,022 | 28,084 | 1.64% | 7,042 | 4.26 |
| Northampton | 4 | Pennsylvania | 10,414 | 10,373 | 0.1% | 4,214 | 2.47 |
| Wilson | 5 | Pennsylvania | 8,099 | 8,242 | -0.44% | 7,012 | 1.16 |
| Middletown | 6 | Pennsylvania | 7,600 | 6,890 | 2.4% | 2,907 | 2.61 |
| Chestnut Hill | 7 | Pennsylvania | 6,691 | 6,135 | 1.5% | 2,207 | 3.03 |
| Catasauqua | 8 | Pennsylvania | 6,454 | 6,512 | -0.23% | 4,995 | 1.29 |
| Hellertown | 9 | Pennsylvania | 6,115 | 6,122 | -0.03% | 4,661 | 1.31 |
| Nazareth | 10 | Pennsylvania | 6,067 | 6,041 | 0.1% | 3,828 | 1.58 |
| Bangor | 11 | Pennsylvania | 5,108 | 5,186 | -0.39% | 3,424 | 1.49 |
| Fountain Hill | 12 | Pennsylvania | 4,789 | 4,824 | -0.19% | 6,516 | 0.73 |
| Wind Gap | 13 | Pennsylvania | 3,862 | 2,817 | 7.25% | 2,884 | 1.34 |
| Palmer Heights | 14 | Pennsylvania | 3,755 | 4,033 | -1.8% | 3,240 | 1.16 |
| Pen Argyl | 15 | Pennsylvania | 3,446 | 3,509 | -0.46% | 2,568 | 1.34 |
| Eastlawn Gardens | 16 | Pennsylvania | 3,410 | 3,338 | -1.81% | 1,963 | 1.74 |
| North Catasauqua | 17 | Pennsylvania | 3,030 | 2,970 | 0.5% | 4,220 | 0.72 |
| Freemansburg | 18 | Pennsylvania | 2,902 | 2,869 | 0.28% | 4,164 | 0.70 |
| Bath | 19 | Pennsylvania | 2,896 | 2,828 | 0.59% | 3,207 | 0.90 |
| Walnutport | 20 | Pennsylvania | 2,090 | 2,073 | 0.19% | 2,779 | 0.75 |
| Old Orchard | 21 | Pennsylvania | 1,845 | 1,807 | 0.55% | 2,527 | 0.73 |
| Roseto | 22 | Pennsylvania | 1,552 | 1,579 | -0.45% | 2,467 | 0.63 |
| Tatamy | 23 | Pennsylvania | 1,472 | 1,210 | 4.62% | 2,652 | 0.56 |
| Raubsville | 24 | Pennsylvania | 1,454 | 1,244 | 3.78% | 914 | 1.59 |
| Cherryville | 25 | Pennsylvania | 1,373 | 1,571 | -3.45% | 524 | 2.62 |
| West Easton | 26 | Pennsylvania | 1,242 | 1,237 | 0.08% | 4,072 | 0.30 |
| Morgan Hill | 27 | Pennsylvania | 1,218 | 1,134 | 1.75% | 1,624 | 0.75 |
| Belfast | 28 | Pennsylvania | 1,211 | 1,305 | -1.06% | 985 | 1.23 |
| East Bangor | 29 | Pennsylvania | 1,102 | 1,120 | -0.45% | 1,326 | 0.83 |
| Stockertown | 30 | Pennsylvania | 911 | 917 | -0.22% | 939 | 0.97 |
| Riegelsville | 31 | Pennsylvania | 838 | 849 | -0.36% | 832 | 1.01 |
| Portland | 32 | Pennsylvania | 479 | 486 | -0.42% | 992 | 0.48 |
| Glendon | 33 | Pennsylvania | 366 | 372 | -0.54% | 595 | 0.61 |
| Martins Creek | 34 | Pennsylvania | 342 | 457 | -5.26% | 419 | 0.82 |
| Chapman | 35 | Pennsylvania | 219 | 221 | -0.46% | 664 | 0.33 |
| Ackermanville | 36 | Pennsylvania | 162 | 398 | -26.7% | 118 | 1.37 |
Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.
Allentown is the largest city in Northampton County.
Ackermanville is the smallest city in Northampton County.
There are 36 cities in Northampton County, Pennsylvania.