New Jersey

Our New Jersey coverage spans 50 communities with a combined population of about 2,799,406 people. The Garden State is the most densely populated US state with diverse cities and beaches. The most populous community is Newark, with about 310,178 residents in Essex County, and it has an interactive street, satellite and topographic map. Jersey City (294,078) and Paterson (158,735) follow. The state capital, Trenton, sits in Mercer County.

New Jersey has 21 counties with dedicated boundary maps and American Community Survey statistics on GIS Map. Bergen County is the most populous, with about 962,316 residents. The highest median household income belongs to Hunterdon County at $141,715. By land area, Burlington County is the largest at roughly 799 square miles. The youngest population, with a median age of 35.8, is found in Hudson County. Among mapped cities with at least 10,000 residents, Westfield reports the highest median household income at $232,629. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

Elevation varies considerably across New Jersey. Summit is the highest at about 383 feet above sea level, while Jersey City is the lowest at about 6 feet. Every mapped city observes Eastern Time. According to the USDA U.S. General Soil Map, Entisols are the dominant soil order beneath 15 of the mapped city centers. Federal records list 9 government-owned and 111 leased properties in these cities, the most in Newark. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

We also map 108 ZIP code areas in New Jersey, each with its boundary and demographics. The most populated one has about 139,149 residents. The runner-up counts roughly 72,161 people. The densest packs about 53,759 people per square mile. Every page includes drawing and measuring tools plus a click-anywhere inspector that reports the county, ZIP, census tract, school district, flood zone and elevation of any point.