Welcome to the Mercer County, New Jersey website, your community on the Internet. Here you will find valuable information about Mercer County including coupons, restaurants, shopping, hotels, local businesses, parks, recreation, government, history, transportation, real estate, public services, dining, arts and entertainment, spas, salons, schools, sports, automotive, banking, shops, healthcare, relocation, travel, tourism, and vacations in Mercer County, East Windsor, Ewing, Hamilton, Hamilton Square, Hightstown, Hopewell, Lawrenceville, Mercerville, Pennington, Princeton, Princeton Junction, Robbinsville, Titusville, Trenton, Washington Crossing, West Trenton, West Windsor, Windsor and Yardville. Places of interest in Mercer County include Princeton University, Hopewell Museum, Belle Mountain, Rider University, Trenton Mercer Airport, The College of New Jersey, Waterfront Park, New Jersey State Museum, Grounds for Sculpture, The Battle Monument, Old Barracks Museum, William Trent House and Sovereign Bank Arena.