Longmont

City in Boulder County, Colorado

View of Longmont, Colorado
Photo: Billy Hathorn · CC BY-SA 3.0

Longmont is a city in Boulder County, Colorado, with 98,885 residents (2020 Census). It sits at 4,984 ft (1,519 m) above sea level. The nearest town is Niwot, 6.0 miles SW.

About Longmont

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).

Text: Wikipedia · CC BY-SA 4.0

Longmont weather: 7-day forecast

Loading the National Weather Service forecast…

Hourly forecast & alerts ›

Source: National Weather Service (NOAA).

Live webcams in Longmont

All 16 webcams near Longmont ›

Webcams: Windy.com

Living in Longmont

Median household income
$90,671
Median home value
$572,800
Median rent
$1,816/mo
Median age
40.3
Cost of living and demographics of Longmont ›

Do you know Longmont? Tell us about it

Help other travelers: share what makes Longmont special. We review every message before publishing it.

Map of Longmont

Tap any street on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Longmont Street View

Loading Street View…

Drag the image to look around and tap the arrows on the ground to move. If it says there is no imagery, tap a nearby street on the map above.

Open in Google Maps ›

Longmont, CO population

Longmont had 98,885 residents in the 2020 Census.

2020 Census98,885
Density3,377 per sq mi (1,304 per km²)

Source: U.S. Census Bureau, Decennial Census.

Longmont at a glance

StateColorado (CO)
CountyBoulder County
TypeCity
Population98,885 (2020)
Land area29.28 sq mi (75.8 km²)
Water area2.03 sq mi (5.25 km²)
Elevation4,984 ft (1,519 m)
Coordinates40.1682° N, 105.1005° W
ZIP codes80501, 80504
Official websiteci.longmont.co.us
Census code (GEOID)0845970

Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.

Towns near Longmont

Straight-line distance between town centers.

Frequently asked questions about Longmont

What county is Longmont in?

Longmont is in Boulder County, Colorado.

What is the population of Longmont, CO?

98,885 people lived in Longmont at the 2020 Census.

What is the ZIP code of Longmont, CO?

The main ZIP code is 80501. Other ZIP codes: 80504.

What is the elevation of Longmont?

4,984 feet (1,519 m) above sea level.

What towns are near Longmont?

Niwot (6.0 mi), Mead (7.2 mi), Frederick (7.9 mi), Leyner (8.0 mi), Firestone (8.1 mi).

Last updated: