Massachusetts

Our Massachusetts coverage spans 50 communities with a combined population of about 3,510,107 people. The Bay State is the cradle of American history with world-class universities and culture. The most populous community is Boston, with about 666,442 residents in Suffolk County, and it has an interactive street, satellite and topographic map. Worcester (207,055) and Springfield (154,749) follow. The state capital, Boston, sits in Suffolk County.

Massachusetts has 14 counties with dedicated boundary maps and American Community Survey statistics on GIS Map. Middlesex County is the most populous, with about 1,638,365 residents. The highest median household income belongs to Nantucket County at $139,688. By land area, Worcester County is the largest at roughly 1,511 square miles. The youngest population, with a median age of 33.9, is found in Suffolk County. Among mapped cities with at least 10,000 residents, Wellesley reports the highest median household income at $250,001. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

Massachusetts's mapped cities sit at a wide range of elevations. Pittsfield is the highest at about 992 feet above sea level, while Provincetown is the lowest at about 8 feet. Every mapped city observes Eastern Time. According to the USDA U.S. General Soil Map, Entisols are the dominant soil order beneath 12 of the mapped city centers. Federal records list 16 government-owned and 96 leased properties in these cities, the most in Boston. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

There are 117 ZIP code tabulation areas in Massachusetts with dedicated pages. The most populated one has about 68,969 residents. The runner-up counts roughly 65,906 people. The densest packs about 65,825 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.