Longmont, Colorado

Longmont, Colorado
City of Longmont
The Longmont Safety and Justice Center
Location of the City of Longmont in Boulder and Weld counties, Colorado
Longmont
Location of the City of Longmont, Colorado.
Longmont
Longmont (Colorado)
Coordinates: 40°10′02″N 105°06′07″W / 40.1672°N 105.1019°W / 40.1672; -105.1019 (Longmont, Colorado)
CountryUnited States
StateColorado
CountiesBoulder and Weld
Founded1871
IncorporatedNovember 15, 1885
Named afterStephen Harriman Long and Longs Peak
Government
 • Typehome rule city
 • MayorSusie Hidalgo-Fahring (List)
Area
 • Total
30.40 sq mi (78.74 km2)
 • Land28.78 sq mi (74.54 km2)
 • Water1.64 sq mi (4.26 km2)
Elevation
4,981 ft (1,518 m)
Population
 (2020)
 • Total
98,885
 • Density3,440/sq mi (1,327/km2)
DemonymLongmonter
Time zoneUTC−07:00 (MST)
 • Summer (DST)UTC−06:00 (MDT)
ZIP codes
80501–80504
Area codes303/720/983
GNIS place ID202560
GNIS town ID2410869
FIPS code08-45970
Major highways
Websitewww.longmontcolorado.gov

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 (mont means "mountain" in French).