Johnstown is a town located in Weld County, in the state of Colorado (CO), United States. Nestled in the Mountain division of the West region, it covers an area of 1.1 square miles (3.0 km²) and sits at an elevation of 4818 ft. With a population of approximately 3,827 residents, Johnstown offers a peaceful, rural atmosphere.
The town's population is composed of about 49.75% males and 50.25% females, and it has a population density of N/A (N/A). Johnstown lies at a latitude of 40.34 and a longitude of -104.92, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (3.8%), followed by English (12.9%), German (26.7%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 80534.