Cities and Towns in Butler County, Pennsylvania
Founded in 1800, Butler County is one of 67 counties in the state of Pennsylvania. Historically, Butler County was formed from parts of Allegheny County. The city of Butler is the county seat. With FIPS code of 19, Butler County has a population of 194,273 and area of 795 square miles (2,059 km²).
List of all cities in Butler County, PA alphabetically
| City/Town | Postal Code | Area Code |
| Annandale, PA | 16018 | 724/878 |
| 16020 | 724/878 | |
| Barkeyville, PA | 16038 | 724/878 |
| Boyers, PA | 16016 | 724/878 |
| 16017 | 724/878 | |
| 16018 | 724/878 | |
| 16020 | 724/878 | |
| Branchton, PA | 16021 | 724/878 |
| Bruin, PA | 16022 | 724/878 |
| Butler, PA | 16001 | 724/878 |
| 16002 | 724/878 | |
| 16003 | 724/878 | |
| Cabot, PA | 16023 | 724/878 |
| Callery, PA | 16024 | 724/878 |
| Chicora, PA | 16025 | 724/878 |
| Connoquenessing, PA | 16027 | 724/878 |
| Cranberry Township, PA | 16066 | 724/878 |
| East Butler, PA | 16029 | 724/878 |
| Eau Claire, PA | 16030 | 724/878 |
| Evans City, PA | 16033 | 724/878 |
| Fenelton, PA | 16034 | 724/878 |
| Forestville, PA | 16035 | 724/878 |
| Harmony, PA | 16037 | 724/878 |
| Harrisville, PA | 16038 | 724/878 |
| Herman, PA | 16039 | 724/878 |
| Hilliards, PA | 16040 | 724/878 |
| Karns City, PA | 16041 | 724/878 |
| Lyndora, PA | 16045 | 724/878 |
| Mars, PA | 16046 | 724/878 |
| Marwood, PA | 16023 | 724/878 |
| Meridian, PA | 16001 | 724/878 |
| National Agency for Check Inqu, PA | 16018 | 724/878 |
| North Washington, PA | 16048 | 724/878 |
| Office of Personnel Mgmt, PA | 16017 | 724/878 |
| Petrolia, PA | 16050 | 724/878 |
| Portersville, PA | 16051 | 724/878 |
| Prospect, PA | 16052 | 724/878 |
| Renfrew, PA | 16053 | 724/878 |
| Sarver, PA | 16055 | 724/878 |
| Saxonburg, PA | 16056 | 724/878 |
| Seven Fields, PA | 16046 | 724/878 |
| Slippery Rock, PA | 16057 | 724/878 |
| Social Security Admin, PA | 16016 | 724/878 |
| Valencia, PA | 16059 | 724/878 |
| West Sunbury, PA | 16061 | 724/878 |
| Zelienople, PA | 16063 | 724/878 |
Major Cities and Towns in Butler County, Pennsylvania
1. Butler, Pennsylvania
Area:
- 2.7 square miles
Population:
- Approximately 13,000 (2020 census)
Zip Code:
- 16001
Latitude & Longitude:
- 40.8612° N, 79.8953° W
Location and History:
Butler is the county seat of Butler County, located in the western part of Pennsylvania. Founded in 1803, the town was named after General Richard Butler, a Revolutionary War hero. Butler grew as a center of industry during the 19th and 20th centuries, particularly in steel production and railroads, making it an integral part of western Pennsylvania’s industrial boom. The city is known for its historic downtown area, which retains much of its 19th-century charm, and its role in the development of the Jeep during World War II, as it was home to the Bantam Car Company. Today, Butler combines its rich history with a vibrant community atmosphere.
Major Schools & Landmarks:
Butler is served by the Butler Area School District, which includes Butler Senior High School. Notable landmarks in the city include the Butler County Courthouse, a beautiful example of Beaux-Arts architecture, and the Maridon Museum, which houses Asian art and cultural artifacts. The nearby Moraine State Park and Lake Arthur provide opportunities for outdoor recreation, including boating, fishing, and hiking. Butler also hosts the annual Butler Italian Festival and the Jeep Heritage Festival, celebrating the city’s connection to the iconic vehicle.
2. Cranberry Township, Pennsylvania
Area:
- 22.8 square miles
Population:
- Approximately 33,000 (2020 census)
Zip Codes:
- 16066, 16037
Latitude & Longitude:
- 40.6946° N, 80.1168° W
Location and History:
Cranberry Township, located in the southwestern part of Butler County, has grown from a rural farming area into one of the fastest-growing suburban communities in Pennsylvania. Named for the cranberry bogs that once dotted the landscape, the township was established in the early 1800s. Its growth accelerated in the late 20th century due to its strategic location at the intersection of Interstate 79 and the Pennsylvania Turnpike, making it a hub for commerce, retail, and residential development. Today, Cranberry Township is a vibrant community known for its excellent schools, thriving businesses, and family-friendly amenities.
Major Schools & Landmarks:
Cranberry Township is served by the Seneca Valley School District, with Seneca Valley High School offering strong academic and athletic programs. Major landmarks include Cranberry Community Park, which features sports fields, walking trails, and a water park. The township is also home to the UPMC Lemieux Sports Complex, a world-class training facility for the Pittsburgh Penguins and public skating events. Cranberry Highlands Golf Course, a top-rated course, attracts golf enthusiasts from across the region. The area boasts a mix of modern developments and preserved green spaces, offering a high quality of life for residents.
3. Zelienople, Pennsylvania
Area:
- 2.1 square miles
Population:
- Approximately 3,800 (2020 census)
Zip Code:
- 16063
Latitude & Longitude:
- 40.7917° N, 80.1394° W
Location and History:
Zelienople is a charming borough located in southwestern Butler County, along the Connoquenessing Creek. Founded in 1802 by Baron Dettmar Basse, a German immigrant, the town was named after his daughter Zelie. Zelienople developed as a small commercial hub in the 19th century, serving the surrounding agricultural communities. Its well-preserved Main Street and historic buildings reflect its long history as a center of trade and culture. Over time, Zelienople has retained its small-town charm while adapting to modern needs, becoming a sought-after residential area with strong ties to its heritage.
Major Schools & Landmarks:
Zelienople is served by the Seneca Valley School District, with nearby schools offering high-quality education. Landmarks in the borough include the Strand Theater, a restored historic venue that hosts plays, movies, and concerts, and the Zelienople Historical Society, which preserves the town’s rich history. The borough’s scenic parks, such as Zelienople Community Park, provide recreational spaces with trails, sports facilities, and picnic areas. Annual events like the Zelienople Horse Trading Days Festival attract visitors and celebrate the town’s history and community spirit. Its picturesque downtown, lined with shops and cafes, enhances the borough’s appeal.
4. Mars, Pennsylvania
Area:
- 0.5 square miles
Population:
- Approximately 1,400 (2020 census)
Zip Code:
- 16046
Latitude & Longitude:
- 40.6951° N, 80.0134° W
Location and History:
Mars is a small borough located in southern Butler County, close to Cranberry Township. Established in the late 19th century as a railroad town, Mars developed around the Pittsburgh and Western Railroad. The town’s unusual name has been the subject of local folklore, with theories ranging from a tribute to the Roman god of war to the influence of astronomy. Mars retains its small-town charm and is known for its welcoming community and unique identity. The town has grown modestly over the years, maintaining its historical roots while serving as a residential haven for nearby Pittsburgh commuters.
Major Schools & Landmarks:
Mars is served by the Mars Area School District, which includes Mars Area High School, known for its academic and extracurricular achievements. Landmarks in Mars include the Mars Train Station, which preserves the town’s railroad heritage and features a model train exhibit. The iconic Mars “Spaceship,” a large replica spacecraft, is a quirky attraction that reflects the town’s name and draws visitors. Mars also has community parks and recreational facilities, such as Adams Township Community Park, which offers trails, sports fields, and playgrounds. The town hosts the Mars Exploration Celebration, an annual event highlighting its space-themed charm.
5. Slippery Rock, Pennsylvania
Area:
- 1.6 square miles
Population:
- Approximately 3,500 (2020 census)
Zip Code:
- 16057
Latitude & Longitude:
- 41.0621° N, 80.0548° W
Location and History:
Slippery Rock, located in northern Butler County, is a college town best known as the home of Slippery Rock University of Pennsylvania. The town was settled in the early 19th century and named after Slippery Rock Creek, a waterway that runs through the area and was a landmark for Native Americans and settlers. The establishment of Slippery Rock University in 1889 transformed the town into a center for education and culture, attracting students and faculty from across the region. Today, Slippery Rock blends its historical roots with the vibrancy of a university town.
Major Schools & Landmarks:
Slippery Rock University is the focal point of the town, offering a wide range of academic programs and cultural activities. The town is served by the Slippery Rock Area School District, which includes Slippery Rock High School. Landmarks in the area include the Old Stone House, a restored 19th-century inn that serves as a museum, and the Slippery Rock Creek, popular for fishing and kayaking. The university’s campus features performance venues, art galleries, and athletic facilities open to the community. Annual events like the Slippery Rock VillageFest celebrate local culture and bring residents and visitors together in the heart of town.
