Dupont, ColoradoDupont is an unincorporated community and United [States Postal Service|U.S. Post Office] located in and governed by Adams [County, Colorado|Adams County], Colorado, United States. The Dupont Post Office has the ZIP Code 80024.HistoryThe Dupont, Colorado, post office opened on June 19, 1926. The community takes its name from the DuPont Company, which owned property near the original town site.GeographyDupont is located in Adams County at coordinates and elevation.