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Mercer County Genealogy




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Mercer County Maps


Landowner Maps from the 1873 Combination Atlas of Mercer  


Geological Map of Mercer County 1878, from the Second Geological Survey of Pennsylvania, shows coal beds


Mercer County Township Maps  

Created by Ed McClelland


Mercer County Townships. Follow Mercer County and her Townships as they evolve from the original six townships, through the division of Lawrence County and into the 31 townships we have today. Maps produced and contributed by Richard Winder.



Having trouble finding the township for your ancestors? 

Maybe they didn't move - maybe the township changed. Look at - - 

Schematic History of Mercer County Townships

contributed by John Mac Donald

1895 Atlas - Mercer County

Color Landform Atlas: Pennsylvania

Historical Maps Website maps from across the US and parts of the world.  

U.S. Census Bureau Tiger Maps


Pennsylvania Railroad Maps


MapQuest interactive map for Mercer County