Warren County is a county located in the U.S. state of New Jersey and is part of the New York metropolitan area. As of the 2000 Census, the population was 102,437. Its county seat is Belvidere.

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.

Warren County's proximity to New York, Philadelphia and New Jersey's most heavily populated areas, along with the quality of life the county offers, make it an attractive area for homes and businesses.

According to the U.S. Census Bureau, the county has a total area of 363 square miles, of which, 358 square miles of it is land and 5 square miles of it (1.35%) is water.

Much of Warren County is rugged and mountainous, with the Kittatinny Ridge providing a hard backbone to the county in the west and many lower ridges winding their way through the county, with narrow valleys in between. The highest elevation is on the Kittatinny Ridge, at two areas near Upper Yards Creek Reservoir near Blairstown that slightly exceed 1,600 feet above sea level; the lowest point is the confluence of the Delaware and Musconetcong rivers at the county's southern tip, at 160 feet (48.7 m) of elevation.

Among Warren County’s greatest natural assets are clean air, clean water and open spaces for resident families, for visitor recreation, and for commerce. With only about 14 percent of its area covered by urban development, Warren County offers a great deal in the way of wholesome outdoor recreation. Nearly 40,000 acres are prime forest, and more than 61,000 acres are termed forestland of statewide importance. Parks, forests and conservation lands within the County total nearly 43,000 acres and include Jenny Jump State Forest, Stephens State Park, Allamuchy Mountain State Park, Worthington State Forest, Merrill Creek Environmental Resource Preserve, Pequest Trout Hatchery and Natural Resource Educational Center, and the Delaware Water Gap National Recreation Area. The county also has three sizable parcels purchased with open space preservation funds, the Marble Hill, White Lake and West Oxford Mountain Natural Resource Areas. Country roads for biking, hiking or driving offer many scenic vistas as well as country craft and antique shops for browsing, farms for picking fresh vegetables and fruits, and wineries that welcome visitors to taste their selections.

All or part of 14 Warren County communities are listed on the National Register of Historic Places, plus 60 other county structures or sites are listed on the register. The Town of Belvidere, the county seat, is noted for its Victorian-style architecture, with more than 200 homes listed on the register. Meanwhile, the Village of Hope in Hope Township contains many of the buildings constructed during the Moravian settlement period between 1769 and 1808.

The county offers a wide variety of cultural events through the Warren County Cultural and Heritage Commission, community groups, Centenary College, and Warren County Community College. Each spring, the Warren County Cultural and Heritage Commission organizes the Warren County Heritage Festival in Oxford Township. Reenactments, arts and crafts displays, and musical concerts are among the events that revolve around the Oxford Furnace and Shippen Manor, which were built in the mid-1700s. Shippen Manor, home to the ironmasters of Oxford Furnace, has been restored and is open as a county museum.

Meanwhile, every summer the area's agricultural heritage is on display with the Warren County Farmers' Fair in Harmony Township, music fills the air along the Delaware River in Knowlton Township during the three-day Knowlton RiverFest, which won a Governor's Tourism Award in 2000, and Belvidere puts its heritage on display with Belvidere's Victorian Days.

Located in Warren County are community parks, pools, country inns, golf courses, campgrounds, beaches, hiking trails, riding stables and fine restaurants. Warren County offers a wide variety for family enjoyment including quaint historic villages, country shopping, parks, scenic splendor, a relaxing environment, outdoor recreation, and many family entertainment attractions.

While Warren County only has one New Jersey Transit train stop in the entire county (Hackettstown), Warren has a number of state routes, a few U.S. Routes, and two interstates. Warren houses Route 57, Route 173, Route 31, and Route 94. The US Routes are U.S. Route 22, and U.S. Route 46. The two interstates that pass through the county are the Phillipsburg-Newark Expressway (I-78), and the Bergen-Passaic Expressway (I-80).

Warren County Community College, in Franklin Township, offers degree programs and certificate programs. The College serves approximately 1,700 full-time and part-time students, in addition to students in non-credit programs and courses. Centenary College is a private college affiliated with the United Methodist Church and in Hackettstown, New Jersey.

What is MLS Guide? MLSGuide.com is a real estate search engine created by Realty Multiple Listing System of New Jersey. It helps you find homes and commercial properties for sale and rent. How? By bringing you up to the minute listings of properties in New Jersey. You can refine your home search in Warren County, NJ by price, number of bedrooms, bathrooms, and property type (including rentals, condo, condominiums, a single family home, a two family home, a three family home, a four family home, multi family buildings, industrial, retail, commercial, investment properties and vacant land). View our Warren County School Information page to see information for local school districts. Get in contact with Warren County real estate agent, Warren County REALTOR and Warren County real estate brokers. Find your home in New Jersey today!