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Located in northwestern New Jersey, Warren County is home to more than 110,000 residents. Bordered by Hunterdon, Morris and Sussex counties in New Jersey and Monroe, Northampton and Bucks counties across the Delaware River in Pennsylvania, Warren County is a special place with a rich history and beautiful scenery, as well as many employees and volunteers ready to serve you.

Explore Warren County:

Click on the following links to learn more about that are within Warren County.

Cities in Warren County:

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