Cities and Towns in Mercer County, Pennsylvania

Founded in 1800, Mercer County is one of 67 counties in the state of Pennsylvania. Historically, Mercer County was formed from parts of Allegheny County. The city of Mercer is the county seat. With FIPS code of 85, Mercer County has a population of 109,972 and area of 683 square miles (1,769 km²).

List of all cities in Mercer County, PA alphabetically

City/Town Postal Code Area Code
Carlton, PA 16311 814
Clark, PA 16113 724/878
Clarks Mills, PA 16114 724/878
Delaware Township, PA 16154 724/878
Farrell, PA 16121 724/878
Fredonia, PA 16124 724/878
Greenville, PA 16125 724/878
Grove City, PA 16127 724/878
Grove City Postal Retail Str, PA 16127 724/878
Hadley, PA 16130 724/878
Hermitage, PA 16148 724/878
Jackson Center, PA 16133 724/878
Jamestown, PA 16134 724/878
Mercer, PA 16137 724/878
Sandy Lake, PA 16145 724/878
Sharon, PA 16146 724/878
Sharon, PA 16148 724/878
Sharpsville, PA 16150 724/878
Sheakleyville, PA 16151 724/878
Shenango, PA 16125 724/878
South Pymatuning Township, PA 16154 724/878
Stoneboro, PA 16153 724/878
Transfer, PA 16154 724/878
West Middlesex, PA 16159 724/878
Westford, PA 16134 724/878
Wheatland, PA 16161 724/878

Major Cities and Towns in Mercer County, Pennsylvania

1. Sharon

Location and History

Sharon is located in the western part of Mercer County, near the Ohio border. It was founded in the early 19th century and was initially established as an industrial center due to its proximity to the Shenango River and access to transportation networks like the railroad. The town’s early economy was driven by the iron and steel industries, with major manufacturing plants emerging in the late 1800s. By the 20th century, Sharon was a key player in the steel industry, which fueled its rapid growth. Although the steel industry declined in the latter half of the century, Sharon reinvented itself as a regional commercial and cultural hub. The city has a strong historical legacy, with many buildings dating back to its industrial era.

Area, Population, and Demographics

  • Area: 3.4 square miles
  • Population: Approximately 14,000
  • Zip Codes: 16146
  • Latitude: 41.2336° N
  • Longitude: 80.5114° W

Major Schools and Landmarks

Sharon is served by the Sharon City School District, with notable schools including Sharon High School. The city boasts several historical landmarks, such as the Buhl Mansion and the Sharon Historical Society, which showcases the region’s industrial heritage. Sharon is also known for the Sharon Speedway, a popular motorsport venue, and its proximity to the Shenango River Lake for outdoor activities. The downtown area features a mix of historical architecture, restaurants, and shops, while the nearby Mercer County Historical Society provides a deeper understanding of the area’s history.


2. Hermitage

Location and History

Hermitage is located in the southwestern part of Mercer County, adjacent to the city of Sharon. Originally established in the 19th century, Hermitage was a rural area that grew significantly in the mid-20th century due to suburban development and the post-World War II economic boom. The city developed as a residential area, benefiting from its close proximity to Sharon’s industrial and commercial activity. Over the decades, Hermitage expanded with new housing developments, schools, and businesses, transitioning from a rural township to a thriving suburban city. Today, it is one of the more populous communities in Mercer County.

Area, Population, and Demographics

  • Area: 18.7 square miles
  • Population: Approximately 16,000
  • Zip Codes: 16148
  • Latitude: 41.2335° N
  • Longitude: 80.4390° W

Major Schools and Landmarks

Hermitage is part of the Hermitage School District, with schools such as Hermitage Elementary and Hickory High School. The city is home to several parks and recreational facilities, including the Buhl Park, which offers walking trails, picnic areas, and a golf course. Notable landmarks include the Sharon Regional Health System and the Kennedy Memorial Park. Hermitage’s location near major highways and its proximity to Sharon make it an attractive place for both families and businesses, with a suburban feel and access to urban amenities.


3. Farrell

Location and History

Farrell is located in the western part of Mercer County, close to the Ohio state line and just south of Sharon. The city’s history is deeply tied to the steel industry, as it was founded as a company town for the steel mills in the early 20th century. Farrell was once a thriving industrial city with a booming economy centered around steel production. However, the decline of the steel industry in the latter half of the 20th century led to significant economic challenges. Today, Farrell is focused on revitalization efforts, including community development, infrastructure improvements, and the creation of new opportunities in the service sector.

Area, Population, and Demographics

  • Area: 1.1 square miles
  • Population: Approximately 5,000
  • Zip Codes: 16121
  • Latitude: 41.2149° N
  • Longitude: 80.5191° W

Major Schools and Landmarks

Farrell is served by the Farrell Area School District, with Farrell High School as the main secondary school. Despite its smaller size, the city is home to a number of community initiatives and local businesses. Key landmarks include the Farrell Memorial Park, which hosts various local events, and the iconic former steel mill buildings that still stand as a reminder of the city’s industrial past. While Farrell continues to face economic challenges, it remains a resilient community with a focus on reinvestment and growth.


4. Grove City

Location and History

Grove City is located in the northern part of Mercer County, about 12 miles southwest of the city of Sharon. Established in the early 19th century, Grove City was originally an agricultural community that gradually became a commercial center. The town’s growth was spurred by the construction of the railroad and its strategic location along major transportation routes. Grove City is also known for Grove City College, a private Christian college that was founded in 1876, and which has played a significant role in the town’s development. Over the years, Grove City has developed into a charming town with a mix of residential, retail, and educational facilities.

Area, Population, and Demographics

  • Area: 2.4 square miles
  • Population: Approximately 8,300
  • Zip Codes: 16127
  • Latitude: 41.1491° N
  • Longitude: 80.0864° W

Major Schools and Landmarks

Grove City is served by the Grove City Area School District, with Grove City High School as the primary secondary school. Grove City College is a major educational institution in the area, attracting students from across the country. The town is home to several parks and recreational facilities, such as the Grove City Memorial Park, which offers sports fields, playgrounds, and a walking track. Grove City also has a vibrant downtown with a mix of historic buildings, boutiques, restaurants, and antique shops. The Grove City Outlet Mall is a major retail destination, drawing shoppers from nearby regions.


5. Mercer

Location and History

Mercer is a small town located in the central part of Mercer County, serving as the county seat. Established in the early 19th century, Mercer quickly became a center for agriculture, trade, and government. The town grew steadily in the 1800s, with the construction of the Pennsylvania Canal and the railroad improving transportation and commerce. Today, Mercer retains much of its small-town charm, with a focus on local businesses, agriculture, and government services. Its central location within the county makes it an important administrative and cultural hub for the region.

Area, Population, and Demographics

  • Area: 0.9 square miles
  • Population: Approximately 2,200
  • Zip Codes: 16137
  • Latitude: 41.2206° N
  • Longitude: 80.2459° W

Major Schools and Landmarks

Mercer is served by the Mercer Area School District, with Mercer High School as the main high school. The town is known for its historic landmarks, including the Mercer County Courthouse, which is a prominent feature of the town square, and the nearby Mercer County Historical Society, which preserves the region’s history. Mercer has a variety of local parks and recreational facilities, including the Mercer Borough Park, which offers sports fields and picnic areas. The town’s quiet, small-town atmosphere, combined with its historical and cultural attractions, makes it a popular place to live for those who enjoy a slower pace of life.