Cities and Towns in Lehigh County, Pennsylvania
Founded in 1812, Lehigh County is one of 67 counties in the state of Pennsylvania. Historically, Lehigh County was formed from parts of Northampton County. The city of Allentown is the county seat. With FIPS code of 77, Lehigh County has a population of 375,539 and area of 349 square miles (904 km²).
List of all cities in Lehigh County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Alburtis, PA | 18011 | 610/484 |
| Allentown, PA | 18101 | 610/484 |
| 18102 | 610/484 | |
| 18103 | 610/484 | |
| 18104 | 610/484 | |
| 18105 | 610/484 | |
| 18106 | 610/484 | |
| 18109 | 610/484 | |
| 18195 | 610/484 | |
| Allentown Airport Branch, PA | 18109 | 610/484 |
| Bethlehem, PA | 18025 | 610/484 |
| Breinigsville, PA | 18031 | 610/484 |
| Catasauqua, PA | 18032 | 610/484 |
| Center Valley, PA | 18034 | 610/484 |
| Coopersburg, PA | 18036 | 610/484 |
| Coplay, PA | 18037 | 610/484 |
| Dun & Bradstreet, PA | 18025 | 610/484 |
| East Texas, PA | 18046 | 610/484 |
| Emerald, PA | 18080 | 610/484 |
| Emmaus, PA | 18049 | 610/484 |
| 18098 | 610/484 | |
| 18099 | 610/484 | |
| Fogelsville, PA | 18051 | 610/484 |
| Germansville, PA | 18053 | 610/484 |
| Hokendauqua, PA | 18052 | 610/484 |
| Ironton, PA | 18037 | 610/484 |
| Laurys Station, PA | 18059 | 610/484 |
| Limeport, PA | 18060 | 610/484 |
| Macungie, PA | 18062 | 610/484 |
| Neffs, PA | 18065 | 610/484 |
| New Tripoli, PA | 18066 | 610/484 |
| Old Zionsville, PA | 18068 | 610/484 |
| Orefield, PA | 18069 | 610/484 |
| Rodale Press, PA | 18098 | 610/484 |
| 18099 | 610/484 | |
| Schnecksville, PA | 18078 | 610/484 |
| Slatedale, PA | 18079 | 610/484 |
| Slatington, PA | 18080 | 610/484 |
| Trexlertown, PA | 18087 | 610/484 |
| Wescosville, PA | 18106 | 610/484 |
| Whitehall, PA | 18052 | 610/484 |
| Zionsville, PA | 18092 | 610/484 |
Major Cities and Towns in Lehigh County, Pennsylvania
1. Allentown
Location and History
Allentown is the largest city in Lehigh County and the third-largest in Pennsylvania, situated along the Lehigh River. It was founded in 1762 by William Allen, a prominent Philadelphia judge, and became an important industrial hub during the 19th century. Allentown’s economy flourished with industries such as textiles, coal, and steel, particularly during the industrial revolution. However, the decline of manufacturing in the late 20th century prompted Allentown to diversify into healthcare, education, and technology. The city is often recognized for its revitalization efforts in its downtown area, as well as its ongoing role as a center of commerce and culture in the Lehigh Valley.
Area, Population, and Demographics
- Area: 18.1 square miles
- Population: Approximately 121,000
- Zip Codes: 18101, 18102, 18103, 18104
- Latitude: 40.6023° N
- Longitude: 75.4902° W
Major Schools and Landmarks
Allentown is home to several prestigious institutions, including Muhlenberg College and Cedar Crest College. The Allentown School District operates the city’s public schools, with Allen High School being the largest. The city boasts major landmarks like the Allentown Art Museum, a prominent cultural institution, and the PPL Center, which hosts concerts and sporting events. Other notable locations include the Lehigh Valley Zoo, the Liberty Bell Museum, and the Allentown Farmers Market. The city also has a rich park system, including the beautiful Trexler Nature Preserve, providing residents and visitors with a variety of outdoor activities.
2. Bethlehem
Location and History
Bethlehem is located along the Lehigh River, just south of Allentown, and is known as the “Christmas City” due to its historical associations with the holiday. Originally settled in 1741 by Moravian immigrants, the city became an important industrial center in the 19th century, primarily due to the Bethlehem Steel Corporation, one of the largest steel manufacturers in the U.S. at the time. The decline of steel production in the late 20th century transformed Bethlehem into a modern city that focuses on tourism, education, healthcare, and technology. Bethlehem’s rich history is evident in its preserved architecture, and its downtown area remains a vibrant cultural and commercial hub.
Area, Population, and Demographics
- Area: 19.3 square miles
- Population: Approximately 75,000
- Zip Codes: 18015, 18017, 18018, 18020
- Latitude: 40.6250° N
- Longitude: 75.3705° W
Major Schools and Landmarks
Bethlehem is home to Lehigh University, one of the premier research institutions in the country, as well as Moravian College, which continues the city’s historic connection to education. The Bethlehem Area School District operates several public schools, including Liberty High School. The city’s landmarks include the historic Bethlehem Steel site, which has been repurposed into a museum and event space known as SteelStacks. Other major attractions include the Moravian Book Shop (the oldest continuously operating bookstore in the U.S.), the Historic Bethlehem Visitor Center, and the beautiful Sun Inn Historic District. Bethlehem is also known for hosting the annual Christmas City Village, attracting tourists from around the world.
3. Emmaus
Location and History
Emmaus is a small borough located in the southwestern part of Lehigh County, approximately five miles from Allentown. Originally settled by the Lenape people, it was founded by German settlers in 1759 and was named after the biblical town of Emmaus. The town developed as an agricultural center in the 19th century before becoming more residential in the 20th century. Emmaus is known for its picturesque downtown, historic buildings, and its strong sense of community. The town’s rich history is reflected in its architecture, and it remains a tranquil yet vibrant place to live, balancing suburban living with access to nearby urban amenities.
Area, Population, and Demographics
- Area: 2.5 square miles
- Population: Approximately 11,000
- Zip Code: 18049
- Latitude: 40.5350° N
- Longitude: 75.4913° W
Major Schools and Landmarks
Emmaus is served by the East Penn School District, with Emmaus High School being the primary secondary school. The borough is also home to several private schools and educational facilities. The Emmaus Community Park and the scenic Lehigh Parkway offer recreational opportunities for residents and visitors alike. One of the most notable landmarks in Emmaus is the historical Emmaus Theatre, a popular cultural destination. The borough also has a variety of annual events, including the Emmaus Arts Festival, which showcases local art, food, and music, contributing to its vibrant cultural scene.
4. Whitehall
Location and History
Whitehall is a township located just north of Allentown, in the Lehigh Valley region. It was established in the 18th century and became an industrial center in the late 19th and early 20th centuries, especially known for its contributions to the iron and steel industries. Today, Whitehall is primarily a suburban community that offers a mix of residential, commercial, and light industrial areas. The township has experienced rapid growth, particularly in the past few decades, as its proximity to Allentown and other major cities makes it an attractive place to live and work.
Area, Population, and Demographics
- Area: 8.5 square miles
- Population: Approximately 14,000
- Zip Code: 18052
- Latitude: 40.6353° N
- Longitude: 75.4976° W
Major Schools and Landmarks
Whitehall is part of the Whitehall-Coplay School District, with Whitehall High School serving as the largest public high school in the area. The township also boasts several parks and recreation facilities, such as the Whitehall Township Community Park, which features sports fields, walking trails, and a community pool. Notable landmarks include the Whitehall Mall, a large shopping center, and the nearby Lehigh Valley Mall, which offers a wide array of retail and dining options. Whitehall is also home to historical buildings like the historic Geryville Grist Mill and the Jordan Creek Greenway, which attracts nature lovers.
5. Coplay
Location and History
Coplay is a small borough in northern Lehigh County, located just north of Allentown. It was originally settled in the 19th century as a mill town, with its economy driven by industries like cement production and the coal industry. The Coplay Cement Company, founded in 1866, was one of the largest in the region, and the town’s cement heritage is an important part of its history. Over time, Coplay has evolved into a residential community, but it still maintains its industrial roots. The town’s historical significance is celebrated in local landmarks and events.
Area, Population, and Demographics
- Area: 0.6 square miles
- Population: Approximately 2,700
- Zip Code: 18037
- Latitude: 40.6712° N
- Longitude: 75.4911° W
Major Schools and Landmarks
Coplay is served by the Whitehall-Coplay School District, and although it is a small community, it offers educational opportunities through the local district. The borough is home to several parks, including the Coplay Public Park, which hosts a variety of recreational activities. The Coplay Cement Company’s old kilns are preserved as part of the Cement Kilns Historic District, serving as a major local landmark. The Coplay Historical Society also preserves the borough’s rich industrial history, and the nearby Lehigh Canal offers a scenic area for walking and outdoor activities.