Longmont is a home rule municipality located in Boulder and Weld counties, Colorado, United States. Its population was 98,885 as of the 2020 U.S. Census. Longmont is located northeast of the county seat of Boulder. It is named after Longs Peak, a prominent mountain that is clearly visible from the city.
The Longmont Safety and Justice Center
The Longmont Fire Department Station 1 is listed in the National Register of Historic Places.
Longmont Public Library
Reservoir west of Longmont
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