Red Feather Lakes is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Larimer County, Colorado, United States. The CDP is a part of the Fort Collins, CO Metropolitan Statistical Area. The Red Feather Lakes post office has the ZIP Code 80545. At the United States Census 2020, the population of the Red Feather Lakes CDP was 426.

Larimer County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 359,066. The county seat and most populous city is Fort Collins. The county was named for William Larimer, Jr., the founder of Denver.