New Jersey County Maps

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Mercer County, New Jersey

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Mercer County, New Jersey Map

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An detailed map of Mercer County. Click on a nearby County to view more information about that County.

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Map of Townships in Mercer County, New Jersey

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An interactive map of county subdivisions in Mercer County. In New Jersey, that can include Townships, Boroughs, Towns, and Villages. Find what township you are in now.

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Map of Counties in New Jersey

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An interactive map of Counties in New Jersey. Click on a County to view more information about that County.

About Mercer County, New Jersey

Mercer County is a county located in the U.S. state of New Jersey. Its county seat is Trenton, also the state capital, prompting its nickname The Capital County. Mercer County alone constitutes the Trenton–Princeton metropolitan statistical area and is considered part of the New York combined statistical area by the U.S. Census Bureau, but also directly borders the Philadelphia metropolitan area and is included within the Federal Communications Commission's Philadelphia Designated Media Market Area. The county is part of the Central Jersey region of the state.

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This site has an interactive map of New Jersey Counties. Click on the map to find your New Jersey county, and view more details. You can also search for your address and use your GPS to find your New Jersey County.

Find what County you are in, and see official New Jersey County resources and information. Find any county in the United Stated, along with resources and links to official County websites. See a County map and local details. Looking for what county you are currently in? Find out on this map or use your device GPS to see what county you are in.