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).

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Longmont ranks

All →

#7Lowest obesity in CO #13Closest to a top hospital in CO #34Most active in CO All CO rankings →

Town numbers

ZIP code80501, 80502, 80503

Area codeSign in to add

Living in Longmont

Housing in Longmont

$545K▼ 1.6% in a year Typical home value · Zillow

The typical Longmont home is worth about $545,000, down 1.6% in a year, close to the Colorado typical home.

A seller's market

Buyer’sBalancedSeller’s

Days on market35

Sale-to-list99.6%

Sold in May135

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Longmont

—

Not graded

A grade needs all of the FBI's latest years (2023–2025). Longmont's police department reported only 2023 and 2024, so we don't grade it yet. The figures below are still real.

Violent crime per 1,000

Longmont 4.7

Colorado 4.9

U.S. 3.6

Property crime per 1,000

Longmont 26.2

Colorado 26.7

U.S. 17.7

FBI crime data, 2024 · crimes reported to policeCrime & safety →

Work & commute in Longmont

Full picture →

About one in 4 of Longmont’s working residents works in town. The top destinations are Boulder (18%), Denver (9%) and Broomfield (3%). Half commute less than 14 miles.

Boulder

18%

Denver

Broomfield

Aurora

26%Work in townlive and work in Longmont 14 miWhere do people commute?the commute map 37,911Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Longmont →

Health in Longmont

Health Grade A

Healthier than 93% of U.S. towns on seven CDC estimates.

Compared with Colorado

5better than CO

of 26 measures CDC estimates. The other 21 are too close to call.

Conditions 2▲ 10 close Habits 2▲ 2 close Care 1▲ 6 close Mind all close

BetterToo close to callWorse

What stands out

18.5%Fewer adults with obesityCO 26.1% · better 14.4%Fewer adults who get no exerciseCO 17.7% · better

Care nearby

Longs Peak HospitalLongmont · 1.5 mi · ER

Clinica Family Health & Wellness -- St. Vrain Community HubLongmont · 0.2 mi · sliding-scale fees

2 hospitals · 2 health centers in Longmont →

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Longmont · CMS · HRSAHealth in Longmont →

Natural hazards in Longmont

Low

Expected storm and flood damage is higher than in 39% of U.S. communities.

🌊 Inland flooding🌪️ Tornadoes🧊 Hail

50Does Longmont flood?paid flood claims since 1981 5Disasters that paid out herefederal disasters sent FEMA money to Longmont MapLongmont vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Longmont →

Climate in Longmont

Full climate →

Longmont has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 90°, a January night drops to 16°, and about 47 inches of snow falls in a normal winter.

46° / 17°Winter

64° / 34°Spring

87° / 54°Summer

66° / 35°Fall

How much snow does Longmont get?About 47 inches a winter.Rain & snow →When is the first frost?Around Oct 5, with the last in spring around May 7.Frost dates →Is it warmer than it used to be?+1.8° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Longmont →

Schools in Longmont

All Longmont schools →

A⁻

School Grade A-

The public schools Longmont’s kids attend, from kindergarten through graduation, outperform 77% of Colorado’s districts on state tests and graduation. Among towns with similar incomes, they rank near the top.

#53Best public schoolsof 142 in CO

DistrictSt. Vrain Valley School District No. Re1JSchools34

Timberline PK-8 D-Elementary · Grades PK–8 · 762 students Flagstaff Charter Academy B+Elementary · Grades PK–8 · 725 students Blue Mountain Elementary A+Elementary · Grades PK–5 · 542 students Fall River Elementary School B+Elementary · Grades PK–5 · 520 students Eagle Crest Elementary School B-Elementary · Grades PK–5 · 421 students Alpine Elementary School C+Elementary · Grades PK–5 · 388 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within CO. Ratings are from neighbors.