Longmont

Self-contained brewery city with its own fiber internet and a revitalized Main Street

Population
~99,000
County
Boulder & Weld Counties
From Downtown
~35 mi NW via I-25/CO-119
Median Home
$530K–$580K

Most towns this far up the corridor orbit Boulder or Denver. Longmont, 35 miles northwest of Denver on the Boulder and Weld county line, runs its own show: a self-contained city of nearly 99,000 with its own electric utility, its own gigabit fiber network, a revitalized historic Main Street, and an actual lake within city limits.

The frame for buyers: full city-scale amenities, some of them genuinely rare, at the most affordable large-city prices in Boulder County.

By Jessica Car · Updated August 2026

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Life Here

Lifestyle & Culture

Start with the amenity nobody else has: NextLight, the city-owned gigabit fiber network at $69.95 a month, one of the few municipal broadband systems in Colorado and a quiet superpower for anyone who works from home. Then head to Union Reservoir, where a 700-acre lake with a swim beach, paddleboards, and sailboats delivers a shoreline summer most Front Range cities simply do not have, with Sandstone Ranch and Button Rock Preserve rounding out the open space.

The brewery scene is deep and decorated: Left Hand Brewing ships nationally, Wibby Brewing took 2023 Brewery of the Year at the Great American Beer Festival, and Oskar Blues pours alongside a dozen-plus taprooms and 200-plus restaurants on a reviving Main Street. The calendar carries Colorado's largest and oldest Día de los Muertos celebration, 8,000 attendees strong, plus ArtWalk, Rhythm on the River, and Oktoberfest, with the Longmont Museum and the historic Dickens Opera House as the cultural anchors. Grocery is full city-scale: three King Soopers, Safeway, Sprouts, Natural Grocers, and a Costco nearby.

Upcoming Events
  • Aug 17
    recurring
    Bilingual Storytime at the Library
    Longmont Public Library · Weekly Monday storytime in English and Spanish for ages birth to 5, no sign-up required.
  • Aug 22
    recurring
    Longmont Farmers Market
    Boulder County Fairgrounds · Weekly Saturday farmers market with Boulder County produce, food, and craft vendors, through November 21.
  • Sep 5
    Colorado Pizza Festival
    4th Avenue and Kimbark Street · Outdoor street festival in downtown Longmont with pizza makers from across Colorado.
  • Sep 12
    ArtWalk on Main
    Main Street, Downtown Longmont · Evening art event along Main Street with galleries, artist demonstrations, and open studios.
  • Oct 9
    Friday Afternoon Concert: Mariachi Las Dahlias
    Stewart Auditorium, Longmont Museum · Afternoon concert in the museum's 250-seat Stewart Auditorium, part of a monthly fall series of Front Range musicians.
  • Oct 10–11
    Pumpkin Pie Days Vintage and Antique Market
    Boulder County Fairgrounds · Two-day antique and vintage market with more than 80 vendors, run by the St. Vrain Historical Society to fund historic preservation.
  • Oct 17
    Longmont Symphony: Paris, Passion and Celebration
    Vance Brand Civic Auditorium · Longmont Symphony Orchestra concert with Debussy's Fetes, a Philip Glass concerto for two pianos, and Berlioz's Symphonie Fantastique.
  • Oct 24
    Day of the Dead Family Celebration
    4th Avenue and Kimbark Street · Free outdoor street celebration for the Longmont Museum's 26th annual Dia de los Muertos, with live music, dance, sugar skull decorating, and food trucks.
  • Oct 30
    Noche de Museo: Celebrating Day of the Dead
    Stewart Auditorium, Longmont Museum · Evening performance at Stewart Auditorium as part of the Dia de los Muertos program, with reserved seating.
  • Nov 14
    Longmont Turkey Trot
    Altona Middle School · Annual 10K and 2-mile run organized by Longmont Recreation Services, with proceeds supporting the youth recreation scholarship fund.
Updated August 2026. Event details change; confirm on the linked page. External links open in a new tab.
Community Snapshot

At a Glance

Elevation
4,984 ft
Founded
1871
Population
~99,000
Area
28.9 sq mi
Walk Score39
Bike Score58
TrailsSt. Vrain Greenway (17+ mi paved) connects across the city
Parks & Outdoors
Union Reservoir, 700+ acres, swimming beach, paddleboarding, fishing
St. Vrain Greenway Trail, 17+ miles through the city
Sandstone Ranch, 300 acres, community park, sports fields
Button Rock Preserve, Ralph Price Reservoir, hiking, permit required
The Bottom Line

Who Longmont Fits

Longmont fits buyers who want a complete city rather than a bedroom suburb: municipal fiber, a decorated brewery scene, a working Main Street, a lake, and STEM-forward schools, all at Boulder County's most accessible large-city prices.

The trade-offs are distance and the county premium. Denver is a 45 to 50 minute drive off-peak, and Boulder County's cost of living runs well above the national average even at Longmont's relative discount. Buyers who need a short Denver commute will look farther south; buyers who want city amenities and a lake without Boulder's price tag will find the corridor's best full-service value.

Updated August 2026

Tools

Cost of Living in Longmont

Estimated monthly cost at the $555,000 median home price and a $500 car payment. Open the calculator to adjust for your situation.

Estimated monthly cost

$4,930 – $5,130/mo

Covers housing, transportation, utilities, and groceries.

See the full breakdown: mortgage at today's rate, property tax at Longmont's mill levy, utilities at local provider rates, and a gas estimate tuned to the commute distance. Adjust sliders to model your own budget.

Education

Schools & Childcare

Compare schools across every metro community in the Schools & Parks guide.

St. Vrain Valley School District (RE-1J) covers Longmont with an A-minus rating and three high schools: Longmont, Silver Creek, and Skyline. The district's calling card is its Innovation Center, a hub for STEM and career-technical programs, and St. Vrain got to K-12 robotics and coding integration before most districts in the country had a plan for either.

District boundaries are complex in Denver. Verify school assignment by address.

A-
St. Vrain Valley School District (RE-1J)
  • Longmont HS
  • Innovation Center
  • St. Vrain is known for K-12 robotics and coding integration
Early Childhood
Daycare Centers
40+
Pre-K Availability
CO Universal Preschool, Wild Plum Center (Head Start), KinderCare, Primrose School
Avg Monthly Cost
$900–$1,500/mo (varies by age; lower than Boulder/Denver)
Summer Camps
City rec camps, St. Vrain Innovation Center STEM camps
Getting Around

Commute & Transit

See drive and transit times for the whole metro in the Commute guide.

Longmont drives like a standalone city: Walk Score 39, though the bike side is stronger at 58, seventh in Colorado, with the 17-plus-mile St. Vrain Greenway threading across town. Boulder is 20 to 25 minutes down the CO-119 Diagonal, while downtown Denver runs 45 to 50 minutes off-peak and 60 to 80 in rush hour via I-25. RTD's BOLT buses cover the Boulder run, and the city is exploring bus rapid transit on CO-119.

Boulder
20–25 min
CO-119 / Diagonal Highway
Downtown Denver
45–50 min
Rush hour: 60–80 min
I-25 south
RTD Bus, BOLT routes to Boulder. Longmont exploring BRT on CO-119.
Housing Market

Get A Market Snapshot

Jessica Car
Local Realtor & Lender
Talk to a Local Pro

What Homes Cost

Updated August 2026

The median runs $530K to $580K as of 2026, which makes Longmont the most affordable large city in Boulder County, roughly $200K below Louisville and nearly $400K below Boulder. New construction clusters in Harvest Junction and 66 West. City-scale amenities under a $600K median is the central draw, and it holds up against every neighbor on the corridor.

Go Deeper

Resources

The effective property tax rate is low at about 0.54% in Boulder County, and combined sales tax is 8.715%. Cost of living runs about 41% above the national average, the Boulder County toll, though Longmont remains the county's most affordable large city. Utilities stay in-house: Longmont Power & Communications supplies municipal electricity alongside NextLight fiber, the city provides water, and Xcel handles gas. Childcare runs $900 to $1,500 a month, less than Boulder or Denver, with Colorado Universal Preschool available.

Common Questions

FAQ, Longmont

What are the school ratings in Longmont?

Longmont is served by St. Vrain Valley School District (RE-1J), rated A− by Niche. The district includes Longmont HS, Silver Creek HS, and Skyline HS. St. Vrain is known for its STEM focus, including K-12 robotics and coding integration and the Innovation Center for STEM/CTE programs. It is the same district that serves Erie and Frederick. Enrollment zones vary. Always verify by address before purchasing.

How long is the commute from Longmont to Denver?

The off-peak drive from Longmont to Downtown Denver takes 45–50 minutes via I-25 south. During rush hour, expect 60–80 minutes. Boulder is 20–25 minutes via CO-119 (Diagonal Highway). Transit options include RTD BOLT bus routes to Boulder, and Longmont is exploring BRT service on CO-119.

What is the median home price in Longmont?

Longmont’s median home price ranges from $530K to $580K as of 2026, making it the most affordable large city in Boulder County. New construction is available in Harvest Junction and 66 West developments. At roughly $200K less than Boulder, it offers Boulder County access at a significantly lower price point.

What outdoor recreation is available in Longmont?

Longmont offers Union Reservoir with 700+ acres, a swimming beach, paddleboarding, and fishing, a rare lake lifestyle amenity on the Front Range. St. Vrain Greenway Trail runs 17+ miles through the city. Sandstone Ranch provides 300 acres of community park space, and Button Rock Preserve features Ralph Price Reservoir with hiking (permit required).

What is the cost of living in Longmont?

Longmont’s cost of living index is 141, or 41% above the national average, driven primarily by housing. However, it is the most affordable large city in Boulder County at $530K–$580K median. The property tax rate is approximately 0.54% (city mill levy 13.42), and the combined sales tax rate is 8.715%. A major cost advantage is NextLight, city-owned gigabit fiber internet at $69.95/mo.

What dining options are available in Longmont?

Longmont has 200+ restaurants and a thriving craft beer scene with 12+ breweries, 2 distilleries, and St. Vrain Cidery. Notable spots include: • Left Hand Brewing, nationally distributed, flagship Boston Ave taproom • Wibby Brewing, 2023 GABF Brewery of the Year, lager-focused • Oskar Blues, craft-beer-in-cans pioneer, Tasty Weasel taproom • 300 Suns Brewing, downtown community taproom The Longmont Farmers Market runs Saturdays in summer.