Hiking, fishing, boating, kayaking, birding and protected watershed land.
Warren County · Northwest New Jersey
Harmony Township
Merrill Creek · Farmland · Highlands · Delaware River Country
A rural agricultural community known for preserved farmland, the New Jersey Highlands, Merrill Creek Reservoir and historic farmsteads.
Merrill Creek Reservoir · Photo: PSEG / 3BL Media
NJTGO coverage: Harmony is a rural agricultural Warren County township where Phillipsburg mailing addresses are common. NJTGO uses municipal location—not postal city name—when deciding what belongs in Harmony.
2,4462020 Census population
24.09 sq. mi.Township area
1839Year incorporated
PK–8Harmony Township School
Explore Harmony
Harmony at a Glance
Major historic farm complex and home to seasonal public programming.
Historic public golf course dating to 1929.
All of Harmony lies within the New Jersey Highlands region.
Historic 1924 cider press, orchard and seasonal farm experience.
Home to the Warren County Farmers' Fair and annual antiques/vintage marketplace.
Community Institutions
908-859-0355
908-859-1053
Historic cemetery serving Harmony families and local genealogy research.
Coming Up in 2026
Harmony Township Recreation Site
Honoring Sgt. Cornelius A. “Dick” O'Donnell #367.
Van Nest–Hoff–Vannatta Farmstead
Explore Harmony Township
Use the dedicated town guides for local businesses, dining, property research, visits, classifieds and jobs.
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