Colorado

GIS Map covers 54 cities and towns across Colorado, home to roughly 3,976,334 residents combined. The Centennial State offers Rocky Mountain peaks, skiing, craft beer, and outdoor adventure. The most populous community is Denver, with about 718,877 residents in Denver County, and it has an interactive street, satellite and topographic map. Colorado Springs (487,887) and Aurora (394,432) follow. The state capital, Denver, sits in Denver County.

We publish boundary maps and Census demographics for 64 counties in Colorado. El Paso County is the most populous, with about 742,999 residents. The highest median household income belongs to Douglas County at $149,594. Home values peak in Pitkin County, where the median owner-occupied home is worth about $1,139,100. By land area, Las Animas County is the largest at roughly 4,773 square miles. The youngest population, with a median age of 33.2, is found in Alamosa County. Among mapped cities with at least 10,000 residents, Erie reports the highest median household income at $173,349. All figures come from the U.S. Census Bureau's American Community Survey 2020-2024 five-year estimates.

The terrain in Colorado changes noticeably from place to place. Breckenridge is the highest at about 9,732 feet above sea level, while Sterling is the lowest at about 3,938 feet. Every mapped city observes Mountain Time. According to the USDA U.S. General Soil Map, Mollisols are the dominant soil order beneath 31 of the mapped city centers. Federal records list 45 government-owned and 157 leased properties in these cities, the most in Lakewood. City maps let you switch on FEMA flood zones, USGS contours and land cover layers.

Colorado has 173 ZIP code areas with their own boundary maps and Census figures on our site. The most populated one has about 80,302 residents. The runner-up counts roughly 73,248 people. The densest packs about 20,532 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.