Mercer County

Considering a move to Mercer County, New Jersey? One of the highest-income counties in the United States, Mercer County served as the landing spot for the Martian invasion in Orson Wells’ 1938 radio broadcast of “The War of the Worlds.” Learn more about life in this New Jersey, including local schools, weather, and things to do and see.

Year Founded: 1838

Population as of 2015: 372,268

Land Area (sq. miles): 228.9

Median Age: 38

Median Household Income: $74,118

Median Home Price: $224,900

Annual Weather Averages:

  • Average Temperature: 52° Fahrenheit
  • Rainfall: 48 inches
  • Snowfall: 22 inches

Notable Employment Facts: Due to the high volume of private educational institutions and hospitals, the largest employment industries in Mercer County are education and health services, which account for a quarter of all employers.

Major Private Sector Employers: Bank of America Merrill Lynch, Bristol-Myers Squibb, Capital Health Systems, Robert Wood Johnson University Hospital – Hamilton and Covance.

Education:

Major City: Trenton, the state capital and the county seat of Mercer County, as well as a former capital of the United States.

Local Radio Stations:

  • WWFM (1 FM)
  • WPRB (103.3 FM)
  • 5 (WPST FM)

Public Transit: New Jersey Transit, Southeastern Pennsylvania Transportation Authority (SEPTA) providing transportation to Philadelphia, and Trenton-Mercer Airport.

9 County Parks and Other Recreation:

  • The Abbott Marshlands features the Tulpehaking Nature Center and the oldest house in Mercer County, the Watson House, and supports a large array of plant and animal life, making it a must-see for nature enthusiasts. Baldpate Mountain has 12 miles of marked trails for hiking, horseback riding, mountain biking and trail running. The 2,500-acre Mercer County Park offers 17 athletic fields, ice skating, 28 lighted tennis courts, a marina, dog parks, a crew course, bike trails, mountain biking and more.
  • Hoping to reel in the catch of the day? There are 14 Fish and Wildlife-approved areas, from the 275-acre Lake Mercer to the one-acre Community Park North Pond.
  • If you’re looking to work on your backswing, Mercer Oaks East and West has two championship courses, Mountain View golf course is open year-round, and the Princeton Country Club is the headquarters of the Mercer County Golf Academy.

Rich and Vibrant Arts and Culture:

  • Mercer County is full of historic sites to visit, from the Old Barracks Museum, an educational site that served as housing for soldiers during the French and Indian War and an army hospital during the Revolutionary War, to Princeton Battlefield State Park, the location of one of the fiercest battles of the American Revolution.
  • Lovers of the fine arts will appreciate the Trenton City Museum at Ellarslie, which hosts exhibits and collections, events, children’s class and workshops; Grounds for Sculpture, a park for contemporary sculptures with two museums and an arboretum; the Princeton University Art Museum, which showcases more than 80,000 pieces; and the Hunterdon Art Museum with its exhibitions of contemporary art, craft and design housed in a 19th-century stone mill listed on the National Register of Historic Places.
  • Adults of legal age can get a taste of the only winery in Mercer County at Working Dog Winery, which has live music and wine tasting events, or enjoy hundreds of different beers and live music at the Triumph Brewing Company.
  • Thrill seekers will find adventure during summer and winter, including skiing, snowboarding, whitewater rafting and more at Banchi Outdoor Adventures.
  • The Arm & Hammer Park at Waterfront Park is home to the Trenton Thunder, currently the Double-A affiliate of the New York Yankees.

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Mercer County Locations: