Clifton is a census-designated place (CDP) in Mesa County, Colorado, United States. It is part of the Grand Junction Metropolitan Statistical Area. The population was 19,889 at the 2010 census. The Clifton Post Office has the ZIP Code 81520.
A post office called Clifton has been in operation since 1900. The community was named for cliffs near the town site.
Clifton is located at 39°4′39″N 108°27′51″W (39.077631, -108.464219).
According to the United States Census Bureau, the CDP has a total area of 6.8 square miles (18 km2), of which, 6.8 square miles (18 km2) of it is land and 0.1 square miles (0.26 km2) of it (1.17%) is water. Clifton lies in the warmest USDA hardiness zone in Colorado at 7a.
As of the census of 2000, there were 17,345 people, 6,327 households, and 4,694 families residing in the CDP. The population density was 2,558.8 people per square mile (987.7/km2). There were 6,640 housing units at an average density of 979.5 per square mile (378.1/km2). The racial makeup of the CDP was 89.09% White, 0.55% African American, 1.42% Native American, 0.39% Asian, 0.05% Pacific Islander, 5.72% from other races, and 2.78% from two or more races. Hispanic or Latino of any race were 14.11% of the population.