Washington is a borough in Warren County, located in northwestern New Jersey between the Delaware River, Kittatinny Mountains, and Highlands. The borough is a compact borough and local commercial center in central Warren County, situated near the junction of Routes 31 and 57. Warren County includes river towns, agricultural valleys, wooded ridges, small boroughs, and widely spaced townships with a strong rural identity. Interstates 78 and 80 and Routes 31, 46, and 57 connect local communities with Phillipsburg, Hackettstown, the Lehigh Valley, and eastern New Jersey. Farms, outdoor recreation, historic centers, schools, healthcare services, local industry, and residential communities form the county’s economic and civic landscape. Residential streets, civic uses, local businesses, and road connections together shape the community’s physical layout. The road network, surrounding landscape, and pattern of local development help define the community’s place within the county.