Jansen, Colorado

Jansen is an unincorporated community and a census-designated place (CDP) located in and governed by Las Animas County, Colorado, United States. The population of the Jansen CDP was 101 at the United States Census 2020. The Trinidad post office (Zip Code 81082) serves the Jansen postal addresses.

Geography
Jansen is located in western Las Animas County in the valley of the Purgatoire River. Colorado State Highway 12 passes through the community, leading northeast 2 mi to Trinidad, the county seat, and west 5 mi to Cokedale.

The Jansen CDP has an area of 3.039 km2, all land.

Demographics
The United States Census Bureau initially defined the Jansen CDP for the United States Census 2010.