Allenspark is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The Allenspark post office has the ZIP code 80510. At the United States Census 2020, the population of the Allenspark CDP was 568.
Looking west toward Allenspark, Wild Basin and Mount Meeker in the background, Turkey Rock front left. DeWeese photo, 2014.
Allenspark, Colorado, circa 1907. Allenspark Hotel, Crystal Springs Lodge, and the Bishop family's two-story home at center. Mount Meeker in background.
Boulder County is a county located in the U.S. state of Colorado of the United States. As of the 2020 census, the population was 330,758. The most populous municipality in the county and the county seat is Boulder.
Boulder County Courthouse
View of the eastern and southern borders of Boulder County and adjacent areas in Weld, Broomfield, and Jefferson counties, with north oriented to the left. The city of Boulder is near the lower border. Taken from the International Space Station on July 1, 2022.
Boulder and the mountains to the west of the city