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Mercer County, Pennsylvania

Mercer County History, Geography, Demographics, Cities and Towns, and Education

 

County Seat: Mercer
Year Organized: 1800
Square Miles: 672
 
Court House:

5 Diamond Street
County Courthouse
Mercer, PA 16137-0000

Etymology - Origin of County Name

named for General Hugh Mercer.

 

Demographics:

County QuickFacts: Census Bureau Quick Facts

History

It was created on March 12, 1800, from part of Allegheny County and named for General Hugh Mercer. It was attached to Crawford County until February 1804 when it was formally organized. Mercer, the county seat, was laid out in 1803 and incorporated as a borough on March 28, 1814.

Included in the Last Purchase of 1784, the land that became this county was intended to be Donation Land awarded to compensate Revolutionary veteran soldiers. Settlers slowly arrived in the 1790s, but the county was created before there was much population. The towns of Mercer (at first a tavern), Sharon, Greenville, and Grove City, all began between 1796 and 1798. Distilleries and grist and sawmills marked the early economy. A canal to the Allegheny River opened in 1834, and one to Erie in 1844. These stimulated coal and iron mining. The low quality iron ore soon was abandoned, but Mercer's famous block coal sold well. Railroads began to arrive in 1864. Using the block coal, blast furnaces began in 1838, and the Sharon Iron Company began a rolling mill and foundry in 1851. Iron rails, nails, and bars were the main products until the industry was jolted by the Panic of 1873. The first steel mill opened in 1887; the Sharon Steel works in 1896. After World War II, the Army's Camp Reynolds was turned into an industrial park. Pymatuning Dam in 1934 and Shenango Dam in 1967 rearranged the county's topography. Sheep and dairy farming persist, some on it on Amish farms. Farms cover 42 percent of the county, and oats and sheep are produced in abundance.
 

 

Neighboring Counties:
  • Insert Counties Here
Cities and Towns:
- Clark borough Incorporated Area
- Deer Creek township  
- Delaware township  
- East Lackawannock township  
- Farrell city Incorporated Area
- Findley township  
- Fredonia borough Incorporated Area
- French Creek township  
- Greene township  
- Greenville borough Incorporated Area
- Grove City borough Incorporated Area
- Hempfield township  
- Hermitage city Incorporated Area
- Jackson Center borough Incorporated Area
- Jamestown borough Incorporated Area
- Lackawannock township  
- Lake township  
- Mercer (County Seat) borough Incorporated Area
- New Lebanon borough Incorporated Area
- New Vernon township  
- Otter Creek township  
- Pine township  
- Pymatuning township  
- Salem township  
- Sandy Creek township  
- Sandy Lake borough Incorporated Area
- Sharon city Incorporated Area
- Sharpsville borough Incorporated Area
- Sheakleyville borough Incorporated Area
- Shenango township  
- South Pymatuning township  
- Stoneboro borough Incorporated Area
- West Middlesex borough Incorporated Area
- West Salem township  
- Wheatland borough Incorporated Area
- Wilmington township  
- Wolf Creek township  
- Worth township
County Resources:

Enter County Resources and Information Here
 

 

 

County Resource Guide

Counties: US Map

The history of our nation can be seen as a prolonged struggle to define the relative roles and powers of our governments: federal, state, and local. And the names we've given our counties, our most locally based jurisdictions, reflects the "characteristic features of our country!"

But age, size and colorful names of our counties isn't the only reason to explore counties' role in American history, or the history of county government itself. In fact, the story of county government reflects the larger meanings of American history.

Today's counties are the most flexible, locally responsive and creative governments in the US. They are the most diverse, varying in size, population, geography, and governmental structure. In their politics and policies, they express a 1990's political slogan "Think globally, act locally."

 

 

 

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