Lehigh County, Pennsylvania Cities (2024)

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.)

26 cities

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Allentown1124,597125,727-0.23%7,09417.6City
Bethlehem279,16775,6991.11%4,14219.1City
Lower Macungie township332,51732,413-0.02%1,45322.4Township
Upper Macungie township429,12026,4852.2%1,11626.1Township
Whitehall township529,09829,167-0.04%2,31512.6Township
Bethlehem township626,48825,8820.57%1,83614.4Township
South Whitehall township721,52821,0670.58%1,26117.1Township
Upper Saucon township817,98816,9811.98%73524.5Township
North Whitehall township915,75415,6370.01%56128.1Township
Whitehall1014,47215,044-0.98%4,3523.3Borough
Emmaus1112,14211,6411.04%4,1942.9Borough
Upper Milford township128,1987,8161.11%45618.0Township
Catasauqua136,4546,512-0.23%4,9951.3Borough
Weisenberg township145,0314,9740.5%18826.8Township
Fountain Hill154,7894,824-0.19%6,5160.7Borough
Lynn township164,2494,2360.09%10341.3Township
Slatington174,2404,279-0.24%3,2101.3Borough
Lower Milford township183,8363,858-0.13%19519.7Township
Coplay193,5443,3421.43%5,8100.6Borough
Heidelberg township203,3363,3260.03%13524.6Township
Macungie213,2653,2550.06%3,3011.0Borough
North Catasauqua223,0302,9700.5%4,2200.7Borough
Freemansburg232,9022,8690.28%4,1640.7Borough
Alburtis242,5722,591-0.19%3,6380.7Borough
Coopersburg252,4952,4580.36%2,6740.9Borough
Lowhill township262,3262,2880.61%16614.0Township

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.

What is the largest city in Lehigh County, Pennsylvania?

Allentown is the largest city in Lehigh County.

What is the smallest city in Lehigh County, Pennsylvania?

Lowhill township is the smallest city in Lehigh County.

How many cities are in Lehigh County?

There are 26 cities in Lehigh County, Pennsylvania.

Frequently Asked Questions