Erie 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 9.5 square miles (25.0 km²) and sits at an elevation of 5034 ft. With a population of approximately 6,291 residents, Erie offers a peaceful, rural atmosphere.
The town's population is composed of about 50.37% males and 49.63% females, and it has a population density of 665.01 people per square mile (256.76/km²). Erie lies at a latitude of 40.04 and a longitude of -105.06, operating in the UTC-7.
Locals reflect a blend of American ancestry, with roots primarily in United States (5.7%), followed by English (11.4%), German (26.2%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 80516.