Delaware

GIS Map covers 21 cities and towns across Delaware, home to roughly 290,401 residents combined. The First State is known as the corporate capital of America with charming coastal towns. The most populous community is Wilmington, with about 71,727 residents in New Castle County, and it has an interactive street, satellite and topographic map. Dover (39,837) and Newark (30,330) follow. The state capital, Dover, sits in Kent County.

We publish boundary maps and Census demographics for 3 counties in Delaware. New Castle County is the most populous, with about 577,961 residents. Home values peak in Sussex County, where the median owner-occupied home is worth about $382,600. The youngest population, with a median age of 38.8, is found in Kent County. Among mapped cities with at least 10,000 residents, Hockessin reports the highest median household income at $171,204. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

The terrain in Delaware changes noticeably from place to place. Hockessin is the highest at about 258 feet above sea level, while Dewey Beach is the lowest at about -2 feet. Every mapped city observes Eastern Time. According to the USDA U.S. General Soil Map, Ultisols are the dominant soil order beneath 13 of the mapped city centers. Federal records list 1 government-owned and 31 leased properties in these cities, the most in Wilmington. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

There are 33 ZIP code tabulation areas in Delaware with dedicated pages. The most populated one has about 62,392 residents. The runner-up counts roughly 55,683 people. The densest packs about 23,395 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.