Where is Longmont, Colorado, USA?

Written and Fact-checked by | Updated On: April 28, 2026 | 14:51 ET

Where is Longmont Located? - Longmont is a city located in the Boulder County of Colorado, United States. Longmont lies between 41.7759 Degrees North latitudes and 72.5215 Degrees West longitudes.

Location Map of Longmont, Colorado

Where is Longmont, Colorado

Longmont Map, Colorado, USA

Where is Longmont?: The Google Map showing the location of Longmont in the U.S. state of Colorado.

Where is Longmont Located?

Longmont is a city located in the Boulder County of Colorado, United States. Longmont lies between 41.7759 Degrees North latitudes and 72.5215 Degrees West longitudes. According to 2020 U.S.census, the population of Longmont city is 98885 people and the city has a total area of 28.74 sq mi. The city has numerous parks and recreational facilities.

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Longmont, Colorado Quick Facts

AttributeDetails
CityLongmont
CountyBoulder County and Weld County
StateColorado
State CapitalDenver
US RegionWestern United States (Mountain Region)
Latitude40.1672° N
Longitude105.1019° W
Elevation4,984 ft (1,519 m)
Land Area28.36 sq mi
Water Area0.18 sq mi
Total Area28.54 sq mi
Population (2020 Census)98,885
Population Density3,487 per sq mi
ZIP Code(s)80501, 80503, 80504
Area Code(s)303, 720
Time Zone StandardMountain Standard Time (MST, UTC−7)
Time Zone DaylightMountain Daylight Time (MDT, UTC−6)
CurrencyUnited States Dollar (USD)
FIPS Code08-45970
Congressional DistrictColorado's 4th Congressional District

Transportation and Connectivity in Longmont

CategoryDetails
Airport NameDenver International Airport
IATA CodeDEN
Secondary AirportRocky Mountain Metropolitan Airport
Major HighwaysU.S. Route 287, U.S. Route 36, Interstate 25, Colorado State Highway 66
Train/Transit ServiceRegional transit connections through RTD bus services
Local Transit ServiceRegional Transportation District (RTD) and local bus services
  • Longmont is located in northern Colorado within the Front Range region of the Rocky Mountains.
  • The city is situated between Boulder and Fort Collins and is part of the Denver metropolitan area.
  • U.S. Route 287 and U.S. Route 36 provide major regional connections to Boulder, Denver, and northern Colorado communities.
  • Denver International Airport provides major domestic and international air service approximately 45 miles southeast of Longmont.

Top Places to Visit in Longmont, Colorado

Landmark NameType
St. Vrain State ParkState Park
Union Reservoir ParkRecreation Area
Longmont MuseumHistory & Culture Museum
Roosevelt ParkCommunity Park
Sandstone Ranch Community ParkHistoric Park
McIntosh LakeLake Recreation Area
Longmont Downtown Historic DistrictHistoric District
Left Hand Brewing CompanyBrewery Attraction
Hygiene Historic District (nearby)Historic Area
Rocky Mountain National Park (nearby)National Park

Driving Distances from Longmont, Colorado to Nearby Cities

CityStateDistance (mi)Approx. Drive Time
BoulderColorado1625 minutes
LovelandColorado2535 minutes
Fort CollinsColorado3545 minutes
DenverColorado3545 minutes
GreeleyColorado3545 minutes
ArvadaColorado451 hour
Colorado SpringsColorado1252 hours
CheyenneWyoming651 hour 15 minutes
AspenColorado1703 hours 30 minutes
Grand JunctionColorado2504 hours

Colleges and Universities in Longmont, Colorado

Institution NameTypeLevelNotable For
Front Range Community College – Boulder County CampusPublicCommunity CollegeTechnology, business, healthcare, science, and workforce programs
Naropa UniversityPrivateUniversityContemplative studies, psychology, arts, and liberal arts education
University of Colorado BoulderPublicResearch UniversityEngineering, aerospace, sciences, business, and research programs
Colorado State UniversityPublicResearch UniversityAgriculture, veterinary medicine, engineering, and sciences
University of Northern ColoradoPublicUniversityEducation, business, nursing, arts, and sciences

Waterbodies in Longmont, Colorado

Longmont is located near the St. Vrain Creek corridor within Boulder and Weld counties. Major nearby water resources include the St. Vrain Creek, Union Reservoir, McIntosh Lake, and local irrigation waterways. These water resources provide recreation, fishing, wildlife habitat, and support for the surrounding agricultural areas.

Stadiums in Longmont

Longmont features athletic facilities including Everly-Montgomery Field, Longmont High School athletic facilities, Skyline High School Stadium, and local recreation complexes. These venues host football, soccer, baseball, track and field, and community sporting events.

Longmont, Colorado — Key Historical Facts

  • Longmont was founded in 1871 by members of the Chicago-Colorado Colony and was named after Longs Peak, a prominent Rocky Mountain landmark.
  • The city developed as an agricultural community supported by irrigation, farming, and settlement along the St. Vrain Creek.
  • Longmont was incorporated in 1885 and became an important regional center in northern Colorado.
  • The arrival of railroads helped expand the city's agricultural trade and commercial development.
  • Today, Longmont is known for its technology sector, craft breweries, outdoor recreation, historic downtown, and location along Colorado's Front Range.

References

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