Morris County vs. Warren County
Two neighboring New Jersey counties, side by side, from county seats and rail lines to parks and trails.
Side by side
Facts from official county, state and federal sources and other published sources. Each county’s guide has more.
| Fact | Morris County | Warren County |
|---|---|---|
| County seat | Morristown | Belvidere |
| Municipalities | 39 municipalities Three towns, 20 townships and 16 boroughs make up Morris County. | 22 municipalities Three towns, two boroughs and 17 townships make up Warren County. |
| Land area | 461.0 square miles | 356.5 square miles |
| Landscape | Rolling hills, broad valleys and lakes. The Passaic and the North Branch of the Raritan rise near Mendham, and the Whippany and Black rivers cross the county. | Ridges and valleys running northeast to southwest, from Kittatinny Mountain to Pohatcong Mountain, drained by the Musconetcong, Pequest and Paulinskill into the Delaware. |
| Downtowns | Morristown around its historic Green, Chester Borough’s Main Street at Route 24 and US 206, and Mendham’s National Register historic district. | Hackettstown’s Main Street, Washington Borough’s crossroads downtown, Phillipsburg’s Union Square and historic district, and Belvidere’s courthouse square. |
| Rail | Morris & Essex Lines (Morristown Line and Gladstone Branch), with Midtown Direct service to New York Penn Station, and the Montclair-Boonton Line. | Hackettstown station, the western end of NJ Transit’s Montclair-Boonton Line and Morris & Essex Lines, with weekday trains toward Hoboken and New York. |
| Highways | I-80, I-280, I-287, US 46, US 202 and US 206, and NJ Routes 10, 15, 23, 24 and 124. | I-78 and I-80, US 22 and US 46, and Routes 31, 57 and 94. |
| Outdoors | Patriots’ Path, with more than 70 miles of trails; Lewis Morris County Park, with Sunrise Lake; and Morristown National Historical Park, including Jockey Hollow. | Delaware Water Gap National Recreation Area, Stephens State Park, and six county parks along the Morris Canal Greenway. |
| Featured towns | Morristown, Chester, and MendhamTown guides coming soon | Hackettstown, Washington Borough, and PhillipsburgTown guides coming soon |
| Full guide | Read the Morris County guide | Read the Warren County guide |
Land area and municipalities: U.S. Census Bureau. The other rows: county, municipal, NJ Transit, NJDOT, other state and federal sources, and local organizations, checked in October 2026.
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Read the full guides
Each guide maps every municipality in the county, with its featured towns and facts at a glance.
More comparisons: Hunterdon vs. Morris, Hunterdon vs. Warren, Morris vs. Somerset, and Somerset vs. Warren
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