Explore Longmont, Colorado, with this interactive street and satellite map. You can “grab” the Longmont, CO street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
| City | Longmont |
| State | Colorado (CO) |
| County | Boulder |
| Country | United States of America |
| Timezone | Mountain Time (America/Denver) |
| Latitude | 40.167207 |
| Longitude | -105.101928 |
| Population | 102,512 |
| Density | 1305.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 80501, 80502, 80503, 80504 |
| Area Code | 303, 720 |
| County Seat | Boulder |
| School District | St. Vrain Valley School District RE 1J |
Longmont is a locality in Boulder County, Colorado, United States. With a population of 102,512, Longmont is a major urban centre in Colorado. The population density is 1305.7 people per km². Longmont is located at 40.1672°N, 105.1019°W. It observes the Mountain Time (America/Denver) timezone. ZIP code: 80501.
Longmont lies in the embrace of Colorado's northern front range, a place where the vast, high plains begin their westward ascent towards the formidable wall of the Rocky Mountains. It lies 8.4 miles north-northeast of Gunbarrel, CO (from Gunbarrel, CO: bearing 33°T), and is situated 8.5 miles north-northwest of Erie. The physical character of Longmont is defined by this dramatic juxtaposition: flat, expansive agricultural lands stretching to the horizon, punctuated by the stark, clean lines of distant snow-capped peaks, even in the height of summer. The air here, at this elevation, possesses a remarkable clarity, a thin, dry coolness that can be invigorating, carrying the faint scent of sagebrush and sun-baked earth. In autumn, this landscape transforms, the golds of the cottonwoods and aspens along the St. Vrain River catching the slanted light, a fleeting, brilliant spectacle against the deepening blue of the sky. The roots of Longmont are firmly planted in the fertile soil of ambition and foresight, a planned community established by a group of Chicago businessmen in 1871, who envisioned a utopian agricultural settlement. They purchased land and laid out a grid of wide streets, aiming to create an ideal agricultural and residential center. This foundational vision imbued Longmont with a sense of order and purpose that still echoes in its well-organized neighborhoods and public spaces. The early days were marked by the hard work of taming the land, establishing irrigation systems, and building the infrastructure necessary for a burgeoning town, a spirit of pioneering endeavor that laid the groundwork for the Longmont of today. Economically, Longmont has evolved from its agricultural origins into a dynamic hub of innovation and industry. While agriculture remains a significant presence, with fertile lands supporting a variety of crops, the city has become a magnet for technology and advanced manufacturing. The presence of companies in sectors like aerospace, bioscience, and renewable energy contributes to a robust and diverse economy, attracting skilled workers and fostering a culture of innovation. This economic vitality is supported by a strong educational ecosystem, with institutions like Front Range Community College and the University of Colorado Boulder nearby, feeding a pipeline of talent. The infrastructure in Longmont is well-developed, with good transportation links and a commitment to sustainable growth, ensuring its continued prosperity. Longmont’s cultural landscape is a vibrant blend of its agricultural heritage and its modern, forward-looking identity. While there aren't major professional sports teams within Longmont itself, the proximity to Denver provides access to the Denver Broncos and the Colorado Rockies, and the city buzzes with the energy of college sports from nearby universities. Annual events like the Rhythm on the River festival and the Longmont Art Walk draw crowds, celebrating local talent and community spirit. Natural beauty is never far away; the St. Vrain River offers recreational opportunities, and the majestic peaks of the Rocky Mountains serve as a constant, awe-inspiring backdrop, a reminder of the wild grandeur that defines this part of Colorado.
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This page provides an embedded street and satellite map of Longmont, Colorado — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.167207, -105.101928. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Longmont and Boulder County.
Detailed location data for Longmont includes the ZIP code (80501), telephone area code (303, 720), county seat of Boulder County (Boulder), and school district assignment (St. Vrain Valley School District RE 1J). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Longmont is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |