Lyons is a town located in Boulder County, in the state of Colorado (CO), United States. Nestled in the Mountain division of the West region, it covers an area of 1.2 square miles (3.0 km²) and sits at an elevation of 5362 ft. With a population of approximately 1,585 residents, Lyons offers a peaceful, rural atmosphere.
The town's population is composed of about 50.35% males and 49.65% females, and it has a population density of 278.23 people per square mile (493.53/km²). Lyons lies at a latitude of 40.22 and a longitude of -105.27, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (5%), followed by English (13%), German (25.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 80540.