Connecticut

Across Connecticut, GIS Map currently maps 37 cities and towns that together hold around 1,873,798 residents. The Constitution State offers New England charm, Ivy League schools, and coastal beauty. The most populous community is Bridgeport, with about 149,153 residents in Fairfield County, and it has an interactive street, satellite and topographic map. Stamford (137,144) and New Haven (134,349) follow. The state capital, Hartford, sits in Hartford County.

County-level coverage in Connecticut includes 9 official Census boundaries, each paired with local demographics. Capitol Planning Region is the most populous, with about 977,290 residents. The highest median household income belongs to Western Connecticut Planning Region at $128,188. The youngest population, with a median age of 39.8, is found in Greater Bridgeport Planning Region. Connecticut abolished county government in 1960, and the Census Bureau now reports the state by nine planning regions, so county pages are not published here; city and ZIP statistics remain available. Among mapped cities with at least 10,000 residents, Greenwich reports the highest median household income at $134,914. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

Elevation varies considerably across Connecticut. Torrington is the highest at about 548 feet above sea level, while Stratford is the lowest at about 14 feet. Every mapped city observes Eastern Time. According to the USDA U.S. General Soil Map, Inceptisols are the dominant soil order beneath 10 of the mapped city centers. Federal records list 6 government-owned and 51 leased properties in these cities, the most in New Haven. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

There are 84 ZIP code tabulation areas in Connecticut with dedicated pages. The most populated one has about 73,392 residents. The runner-up counts roughly 61,684 people. The densest packs about 21,684 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.