Missouri

Our Missouri coverage spans 44 communities with a combined population of about 2,469,245 people. The Show-Me State sits at the crossroads of America with vibrant cities and Ozark beauty. The most populous community is Kansas City, with about 510,612 residents in Jackson County, and it has an interactive street, satellite and topographic map. St. Louis (288,512) and Springfield (169,954) follow. The state capital, Jefferson City, sits in Cole County.

Missouri has 115 counties with dedicated boundary maps and American Community Survey statistics on GIS Map. St. Louis County is the most populous, with about 995,569 residents. The highest median household income belongs to St. Charles County at $104,692. Home values peak in Platte County, where the median owner-occupied home is worth about $345,100. By land area, Texas County is the largest at roughly 1,177 square miles. The youngest population, with a median age of 27.8, is found in Pulaski County. Among mapped cities with at least 10,000 residents, Wildwood reports the highest median household income at $161,060. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

Missouri's mapped cities sit at a wide range of elevations. Springfield is the highest at about 1,307 feet above sea level, while Kennett is the lowest at about 268 feet. Every mapped city observes Central Time. According to the USDA U.S. General Soil Map, Alfisols are the dominant soil order beneath 28 of the mapped city centers. Federal records list 37 government-owned and 149 leased properties in these cities, the most in Kansas City. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

Missouri has 156 ZIP code areas with their own boundary maps and Census figures on our site. The most populated one has about 61,539 residents. The runner-up counts roughly 56,659 people. The densest packs about 9,973 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.