Lyons is a Statutory Town in Boulder County, Colorado, United States. The town population was 2,209 at the 2020 United States census, up from 2,033 at the 2010 United States census. Lyons is located at the confluence of North St. Vrain Creek and South St. Vrain Creek, 20 miles (32 km) east of Rocky Mountain National Park. Due to its location at the intersection of State Highway 7 and U.S. Highway 36, both of which lead to the national park, it is sometimes referred to as "The Double Gateway to the Rockies".

Official town website ↗

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

Town numbers

ZIP code80540

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Living in Lyons

Housing in Lyons

$756K▼ 1.1% in a year Typical home value · Zillow

The typical Lyons home is worth about $756,000, down 1.1% in a year, 42% above the Colorado typical home.

Only 4 sales in May 2026, too few for a market read. The typical value is the steadier guide.

Zillow Home Value Index · Redfin Data CenterHousing market →

Work & commute in Lyons

Full picture →

Most working residents leave Lyons for work: only 8% work in town. The top destinations are Boulder (24%), Longmont (13%) and Denver (9%). Half commute less than 15 miles.

Boulder

24%

Longmont

13%

Denver

Aurora

8%Work in townlive and work in Lyons 15 miWhere do people commute?the commute map 552Jobs based herea commuter town

Census LEHD 2023 · ACSWork & commute in Lyons →

Health in Lyons

A⁺

Health Grade A+

Healthier than 98% of U.S. towns on seven CDC estimates.

Compared with Colorado

10better than CO·1worse

of 26 measures CDC estimates. The other 15 are too close to call.

Conditions 4▲ 1▼ 7 close Habits 2▲ 2 close Care 3▲ 4 close Mind 1▲ 2 close

BetterToo close to callWorse

What stands out

2.9%Fewer older adults who have lost all their teethCO 9.2% · better 5.5%Fewer uninsured adultsCO 11.1% · better 9.4%More adults who have had cancerCO 7.8% · worse

Care nearby

Longmont United HospitalLongmont · 8 mi · ER

Clinica Family Health & Wellness -- St. Vrain Community HubLongmont · 9.5 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

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

Natural hazards in Lyons

Very high

Expected storm and flood damage is higher than in 95% of U.S. communities.

🌊 Inland flooding🏔️ Avalanches🔥 Wildfire

69Does Lyons flood?paid flood claims since 1980 1Disasters that paid out herefederal disaster sent FEMA money to Lyons

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

Climate in Lyons

Full climate →

Lyons has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 87°, a January night drops to 17°, and about 47 inches of snow falls in a normal winter.

45° / 18°Winter

61° / 33°Spring

84° / 53°Summer

64° / 35°Fall

How much snow does Lyons get?About 47 inches a winter.Rain & snow →When is the first frost?Around Oct 1, with the last in spring around May 12.Frost dates →Is it warmer than it used to be?+1.6° vs. the 20th century.Then & now →

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

Schools in Lyons

All Lyons schools →

A⁻

School Grade A-

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

DistrictSt. Vrain Valley School District No. Re1JSchools2

Lyons Elementary School AElementary · Grades PK–5 · 255 students Lyons Middle/Senior High School AHigh · Grades 6–12 · 344 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.