Phippsburg is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Routt County, Colorado, United States. The CDP is a part of the Steamboat Springs, CO Micropolitan Statistical Area. The Phippsburg post office has the ZIP Code 80469 (post office boxes). At the United States Census 2010, the population of the Phippsburg CDP was 204, while the population of the 80469 ZIP Code Tabulation Area was 337 including adjacent areas.
The Phippsburg post office has been in operation since 1909. The community was named after Lawrence C. Phipps, a Colorado legislator.
The Phippsburg CDP has an area of , all land.
The United States Census Bureau initially defined the for the