Campion is an unincorporated community located in southeastern Larimer County, Colorado, United States.

[2] A former census-designated place (CDP), the population was 1,832 at the United States Census 2000.

[2] Campion was named for John F. Campion, a railroad official.

[3] Campion is located between Loveland and Berthoud along U.S. Route 287.