Cities and Towns in Union County, Pennsylvania

Founded in 1813, Union County is one of 67 counties in the state of Pennsylvania. Historically, Union County was formed from parts of Northumberland County. The city of Lewisburg is the county seat. With FIPS code of 119, Union County has a population of 42,568 and area of 317 square miles (821 km²).

List of all cities in Union County, PA alphabetically

City/Town Postal Code Area Code
Allenwood, PA 17810 570
Brook Park, PA 17837 570
Buffalo Crossroads, PA 17837 570
Cherry Run, PA 17885 570
College Park, PA 17837 570
Cowan, PA 17844 570
Dice, PA 17844 570
Dry Valley, PA 17889 570
East Buffalo, PA 17837 570
Elimsport, PA 17810 570
Fairville, PA 17837 570
Foresthill, PA 17844 570
Gleniron, PA 17845 570
Gregg, PA 17810 570
Hartleton, PA 17829 570
Kelly, PA 17837 570
Kelly Crossroads, PA 17837 570
Kelly Point, PA 17837 570
Laurel Park, PA 17845 570
Laurelton, PA 17835 570
Lewisburg, PA 17837 570
17886 570
Linntown, PA 17837 570
Lochiel, PA 17837 570
Mazeppa, PA 17837 570
Mifflinburg, PA 17844 570
Millmont, PA 17845 570
New Berlin, PA 17855 570
New Columbia, PA 17856 570
17886 570
Red Bank, PA 17844 570
Swengel, PA 17880 570
Vicksburg, PA 17883 570
Weikert, PA 17885 570
West Acres, PA 17837 570
West Buffalo, PA 17844 570
West Milton, PA 17856 570
17886 570
White Deer, PA 17887 570
Whitesprings, PA 17844 570
Whtdeer, PA 17887 570
Winfield, PA 17889 570

Major Cities and Towns in Union County, Pennsylvania

1. Lewisburg

Location and History

Lewisburg is the county seat of Union County, located in the central part of Pennsylvania, along the West Branch of the Susquehanna River. Established in 1785, Lewisburg has long been an important commercial center in the region. The town’s history is closely tied to its riverfront location, which provided a transportation route for goods during the 19th century. Lewisburg also played a significant role during the Civil War, serving as a strategic location for military supplies and troop movements. Over time, the town grew as a hub for agriculture, particularly tobacco, and later, small manufacturing. Today, Lewisburg is known for its vibrant historic district, with many well-preserved buildings from the 19th century. The town is also home to Bucknell University, a private liberal arts institution, which has had a significant influence on the town’s development and cultural life.

Area, Population, and Demographics

  • Area: 1.4 square miles
  • Population: Approximately 5,800
  • Zip Codes: 17837
  • Latitude: 40.9594° N
  • Longitude: 76.8832° W

Major Schools and Landmarks

Lewisburg is served by the Lewisburg Area School District, which includes Lewisburg Area High School. Bucknell University is a key educational institution, contributing to the town’s academic and cultural atmosphere. Major landmarks in Lewisburg include the historic Lewisburg Theatre, the Union County Courthouse, and the Lewisburg Downtown Historic District, which features numerous 19th-century buildings. The town also offers the Lewisburg Farmers Market, which provides fresh local produce and goods. The nearby Buffalo Valley Rail Trail offers opportunities for outdoor recreation, including hiking and biking. Additionally, the Packwood House Museum highlights the area’s history with exhibits on early American life and local culture. Lewisburg’s charming small-town atmosphere, coupled with its academic influence from Bucknell, makes it a unique and welcoming place to live and visit.


2. Mifflinburg

Location and History

Mifflinburg is a small borough in the southern part of Union County, situated along the West Branch of the Susquehanna River. Founded in 1792 and incorporated in 1833, Mifflinburg developed as a mill town during the early 19th century, with the river providing power for gristmills and sawmills. The town also became known for its involvement in the local tobacco industry. Mifflinburg has maintained much of its 19th-century charm, with several well-preserved buildings and landmarks. It is especially known for its unique collection of “bank barns,” a regional architectural style. Today, Mifflinburg continues to be a small agricultural community, and its history as a rural center of commerce remains central to its identity.

Area, Population, and Demographics

  • Area: 1.0 square miles
  • Population: Approximately 3,500
  • Zip Codes: 17844
  • Latitude: 40.8617° N
  • Longitude: 76.9425° W

Major Schools and Landmarks

Mifflinburg is part of the Mifflinburg Area School District, which includes Mifflinburg High School. The town’s landmarks include the Mifflinburg Buggy Museum, which showcases the area’s history of buggy manufacturing, and the historic Mifflinburg Bank Barn, an example of the town’s agricultural history. The nearby Shikellamy State Park is a popular spot for outdoor activities, including hiking, fishing, and picnicking. The town also hosts the annual Mifflinburg Potato Festival, a celebration of the local harvest and community traditions. Mifflinburg’s small-town atmosphere, agricultural heritage, and cultural events make it a picturesque and active community. The town offers a blend of history, culture, and outdoor activities, making it a charming place to live and visit.


3. New Berlin

Location and History

New Berlin is a small borough located in the eastern part of Union County, along the Middle Creek. Founded in 1800, New Berlin was initially settled by German immigrants who named the town after Berlin, Germany. It became an agricultural center, with farming and milling as the primary industries in the 19th century. The town developed around its location near several major transportation routes, which helped it grow into a key center for local trade. Over time, New Berlin remained a small rural town with a close-knit community, and its rich German heritage continues to influence the town’s culture and events today.

Area, Population, and Demographics

  • Area: 0.6 square miles
  • Population: Approximately 1,100
  • Zip Codes: 17855
  • Latitude: 40.8673° N
  • Longitude: 76.9736° W

Major Schools and Landmarks

New Berlin is served by the Mifflinburg Area School District, with students attending nearby Mifflinburg schools. Notable landmarks in New Berlin include the New Berlin Historic District, which features several well-preserved 19th-century buildings that reflect the town’s German roots. The town also hosts the annual New Berlin Heritage Days, a celebration of local history and culture. Nearby, the Middle Creek provides a scenic setting for outdoor activities like fishing and hiking. The New Berlin United Church of Christ, a historic building, is another local landmark that offers a sense of the town’s long-standing community ties. The town’s rural charm and German heritage make it an appealing location for those seeking a quiet lifestyle with access to nearby cultural and recreational activities.


4. Hartleton

Location and History

Hartleton is a small, rural community located in the northeastern part of Union County, near the intersection of U.S. Route 45 and Route 192. The town was established in the early 19th century and has maintained a quiet, rural character. Agriculture has always been the backbone of Hartleton’s economy, with farming being a dominant activity in the area. Historically, the town served as a small service center for the surrounding farming communities. While it has never been a major industrial hub, Hartleton has a strong sense of community and tradition, with many residents still working in agriculture or local trades. The town’s history is reflected in its preserved homes and rural landscape.

Area, Population, and Demographics

  • Area: 0.5 square miles
  • Population: Approximately 300
  • Zip Codes: 17829
  • Latitude: 40.8600° N
  • Longitude: 77.0991° W

Major Schools and Landmarks

Hartleton is part of the Lewisburg Area School District, with students attending schools in the nearby town of Lewisburg. Hartleton itself is a quiet community with few major landmarks, but it is known for its scenic rural surroundings and the nearby Hartleton Community Park, which offers a playground and picnic area. The park is a popular gathering place for local residents, especially during summer months. Hartleton’s proximity to the Buffalo Valley Rail Trail, which passes through nearby Lewisburg, also provides opportunities for outdoor recreation such as walking, running, and cycling. Hartleton remains a small, peaceful community, known for its tight-knit population and rural charm.


5. White Deer

Location and History

White Deer is a small township located in the southwestern part of Union County, near the border with Snyder County. Originally settled in the late 18th century, the township was named for the White Deer Valley, a region known for its abundant wildlife, particularly white-tailed deer. Historically, White Deer was an agricultural community, with farming and lumbering as the main industries. The township is home to the White Deer Hole Creek, which provided water power for early mills and industry. Over time, White Deer remained a rural area with a focus on agriculture, and its scenic natural surroundings make it a popular location for outdoor enthusiasts. Today, the township is largely residential with a growing interest in preserving its rural character.

Area, Population, and Demographics

  • Area: 30.3 square miles
  • Population: Approximately 1,200
  • Zip Codes: 17887
  • Latitude: 40.9741° N
  • Longitude: 77.1273° W

Major Schools and Landmarks

White Deer is served by the Lewisburg Area School District, and students attend schools in Lewisburg. The township is home to several historical landmarks, including the White Deer Historic District and the White Deer Valley Conservancy, which works to preserve the area’s natural beauty and wildlife. White Deer Hole Creek provides a scenic spot for outdoor activities like fishing and canoeing. The township is also located near the Bald Eagle State Forest, which offers opportunities for hiking, camping, and birdwatching. White Deer’s blend of rural landscapes, historical charm, and outdoor recreation make it an attractive place for those seeking a quiet, nature-filled lifestyle.