Longmont is a home rule city 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.
Mountain West
Longmont
Boulder County, CO
Population
98,282
Walk Score
88 · Very Walkable
Median rent
$1,689
Median home value
$488,100
Founded
1871
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On the National Register
Historic districts
- Downtown Longmont Historic District · listed 2017
- East Side Historic District · listed 1986
- Hover Mansion District
- Hoverhome and Hover Farmstead · listed 1999
- West Side Historic District · listed 1987
Notable landmarks
- Callahan, T. M., House · listed 1985
- Dickens Opera House · listed 1987
- Empson Cannery · listed 1984
- Hauck, Robert A., Milk House
- Longmont Carnegie Library · listed 1992
- Longmont College · listed 1987
- Longmont Fire Department · listed 1985
- St. Stephen's Episcopal Church, 1881 · listed 1975
- Tower of Compassion · listed 2025
- Sandstone Ranch · listed 1984
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