There are 41 cities in Lehigh 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 |
| Fullerton | 3 | Pennsylvania | 16,812 | 15,415 | 1.37% | 4,582 | 3.67 |
| Emmaus | 4 | Pennsylvania | 12,142 | 11,641 | 1.04% | 4,194 | 2.90 |
| Breinigsville | 5 | Pennsylvania | 10,496 | 7,574 | 7.49% | 3,113 | 3.37 |
| Quakertown | 6 | Pennsylvania | 9,214 | 9,345 | -0.36% | 4,528 | 2.04 |
| Ancient Oaks | 7 | Pennsylvania | 7,325 | 7,401 | -0.26% | 3,022 | 2.42 |
| Wescosville | 8 | Pennsylvania | 6,750 | 6,848 | -0.35% | 2,482 | 2.72 |
| Catasauqua | 9 | Pennsylvania | 6,454 | 6,512 | -0.23% | 4,995 | 1.29 |
| Dorneyville | 10 | Pennsylvania | 4,927 | 4,707 | -1.66% | 2,274 | 2.17 |
| Fountain Hill | 11 | Pennsylvania | 4,789 | 4,824 | -0.19% | 6,516 | 0.73 |
| Slatington | 12 | Pennsylvania | 4,240 | 4,279 | -0.24% | 3,210 | 1.32 |
| Kutztown University | 13 | Pennsylvania | 4,232 | 3,898 | 2.02% | 8,928 | 0.47 |
| Kutztown | 14 | Pennsylvania | 4,166 | 4,157 | 0.05% | 2,604 | 1.60 |
| Schnecksville | 15 | Pennsylvania | 3,764 | 4,022 | -1.67% | 1,344 | 2.80 |
| Egypt | 16 | Pennsylvania | 3,604 | 2,392 | 9.18% | 2,450 | 1.47 |
| Coplay | 17 | Pennsylvania | 3,544 | 3,342 | 1.43% | 5,810 | 0.61 |
| Macungie | 18 | Pennsylvania | 3,265 | 3,255 | 0.06% | 3,301 | 0.99 |
| Hokendauqua | 19 | Pennsylvania | 3,184 | 2,736 | 3.65% | 2,889 | 1.10 |
| East Greenville | 20 | Pennsylvania | 3,154 | 3,164 | -0.1% | 6,160 | 0.51 |
| North Catasauqua | 21 | Pennsylvania | 3,030 | 2,970 | 0.5% | 4,220 | 0.72 |
| Freemansburg | 22 | Pennsylvania | 2,902 | 2,869 | 0.28% | 4,164 | 0.70 |
| Alburtis | 23 | Pennsylvania | 2,572 | 2,591 | -0.19% | 3,638 | 0.71 |
| Coopersburg | 24 | Pennsylvania | 2,495 | 2,458 | 0.36% | 2,674 | 0.93 |
| Spinnerstown | 25 | Pennsylvania | 2,106 | 1,671 | 3.44% | 1,116 | 1.89 |
| Cetronia | 26 | Pennsylvania | 1,910 | 2,844 | -10.87% | 2,355 | 0.81 |
| Trexlertown | 27 | Pennsylvania | 1,650 | 2,120 | -6.62% | 795 | 2.08 |
| Milford Square | 28 | Pennsylvania | 1,266 | 1,320 | -1.02% | 1,375 | 0.92 |
| Cementon | 29 | Pennsylvania | 1,167 | 1,563 | -7.82% | 1,793 | 0.65 |
| Stiles | 30 | Pennsylvania | 1,149 | 1,195 | 2.31% | 5,344 | 0.21 |
| DeSales University | 31 | Pennsylvania | 955 | 929 | 0.74% | 1,597 | 0.60 |
| Trumbauersville | 32 | Pennsylvania | 893 | 901 | -0.22% | 2,007 | 0.45 |
| New Tripoli | 33 | Pennsylvania | 687 | 840 | 0.44% | 749 | 0.92 |
| Slatedale | 34 | Pennsylvania | 607 | 493 | 5.02% | 2,037 | 0.30 |
| Laurys Station | 35 | Pennsylvania | 531 | 925 | -15.58% | 325 | 1.64 |
| Mertztown | 36 | Pennsylvania | 399 | 933 | -25% | 379 | 1.05 |
| Bowers | 37 | Pennsylvania | 271 | 247 | 2.26% | 446 | 0.61 |
| Virginville | 38 | Pennsylvania | 263 | 213 | 5.2% | 232 | 1.14 |
| Dryville | 39 | Pennsylvania | 241 | 129 | 13.15% | 174 | 1.39 |
| Kempton | 40 | Pennsylvania | 213 | 103 | 15.14% | 258 | 0.82 |
| Maxatawny | 41 | Pennsylvania | 49 | 79 | -12.5% | 485 | 0.10 |
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 Lehigh County.
Maxatawny is the smallest city in Lehigh County.
There are 41 cities in Lehigh County, Pennsylvania.