Johnstown, Colorado, US is a home rule municipality in Weld and Larimer counties. It was incorporated in 1902 and has since grown to a population of over 15,000 as of 2010. The town is named after Harvey J. Johnston, a prominent businessman in the area during its founding. A notable attraction in Johnstown is the historic Northern Integrated Supply Project (NISP) water delivery system, which provides water to the town and surrounding areas.
Ace Hardware takes the top spot among Home Improvement Stores in Johnstown, Colorado with 1 locations as of May 8, 2024.