Amherst, Colorado

Amherst is a census-designated place (CDP) and a post office in and governed by Phillips County, Colorado, United States. The Amherst post office has the ZIP Code 80721. At the United States Census 2020, the population of the Amherst CDP was 47.

History
The town of Amherst was established about 1887. The community was named after Amherst, Massachusetts, the native home of a local businessman. The Amherst Post Office opened on February 18, 1888. Phillips County was founded in 1889, and before that, Amherst was in Weld County.

Geography
The Amherst CDP has an area of 1.176 km2, all land.

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