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Longmont, CO
City in Boulder County, Colorado. ZIP codes: 80501, 80504.
Population
99,406
Land area
29.3sq mi
People per sq mi
3,397
ZIP codes
2
Longmont and its ZIP codes
Longmont at a glance
- Longmont is about 60 times as dense as Colorado as a whole.
- It is the 14th most populous of 472 cities and towns in Colorado.
- Households here earn a median of $90,671 a year, 5% less than the Colorado figure of $95,470.
- A typical owner-occupied home is valued at $572,800 (6% above Colorado) and median rent is $1,816 a month.
Local data for Longmont, CO
Counts from official public data
Housing and community stats
Longmont, CO, American Community Survey 2020-2024
Median household income
$90,671
Poverty rate
8.6%
Median home value
$572,800
Median rent
$1,816/mo
Homeownership
62.5%
Bachelor's or higher
47.0%
Median age
40.3
Average commute
24.5 min
Largest reported origins and ancestries: Mexican Americans (18,214), German Americans (17,990), Irish Americans (12,989).
Economy and federal money
Jobs, pay, income and spending are for Boulder County. PPP loans are for Longmont.
Unemployment rate
4.6%
Aug 2026, +0.7 pts in a year
Average annual pay
$101,259
191,487 jobs, 2025
Income per person
$104,808
BEA, 2024
Federal spending
$3.19B
FY 2026, $9,642 per person
PPP loans
$149M
1,936 loans, 17,126 jobs reported
How people get to work
Longmont, CO, workers 16 and older. American Community Survey 5-year estimates
- Drove alone64.8%
- Carpooled7.9%
- Public transit2.0%
- Walked1.5%
- Bicycle0.8%
- Taxi, ride-hailing, motorcycle or other0.7%
- Worked from home22.3%
Average one-way commute: 24.5 minutes for people who do not work from home.
Environment and hazard risk
Longmont, CO, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: lightning
Storm events since 1996
1,987
Countywide, mostly winter storm
Flood insurance policies
2,543
2.3% of homes, county
July high / Jan low
91° / 14°F
15.2 inches of rain a year
Hazards, floods and storm historyCheck a flood zone8 historic places
Health statistics
Share of adults in Longmont, CO, CDC PLACES estimates
Obesity
18.5%
U.S. 33.3% -14.8 pts
Diabetes
8.0%
U.S. 12.1% -4.1 pts
Smoking
10.5%
U.S. 12.8% -2.3 pts
Uninsured (18-64)
10.9%
U.S. 11.1% about the same
ZIP codes in Longmont
2 in or overlapping Longmont. Population shown
Cities near Longmont
| Name | Distance | Land area (sq mi) |
|---|---|---|
| NiwotCensus-designated place | 5.4 mi | 4 |
| GunbarrelCensus-designated place | 7.3 mi | 6.2 |
| MeadTown | 7.6 mi | 15.5 |
| LeynerCensus-designated place | 8.2 mi | 0.2 |
| FrederickTown | 8.2 mi | 15.2 |
| FirestoneTown | 8.6 mi | 13.9 |
| LyonsTown | 9.2 mi | 1.4 |
| ErieTown | 9.3 mi | 21.4 |
| AltonaCensus-designated place | 10 mi | 1.7 |
| ValmontCensus-designated place | 11 mi | 0.3 |
| DaconoCity | 12 mi | 9.3 |
| BerthoudTown | 12 mi | 13 |
| LafayetteCity | 12 mi | 9.3 |
| BoulderCity | 12 mi | 26.9 |
| Lazy AcresCensus-designated place | 13 mi | 5.3 |
| Pine Brook HillCensus-designated place | 14 mi | 3 |
Frequently asked questions
- What county is Longmont, CO in?
- Longmont is in Boulder County, Colorado.
- What ZIP codes are in Longmont, CO?
- ZIP codes in or overlapping Longmont include 80501, 80504.
- What is the population of Longmont, CO?
- About 99,406 people live in Longmont, based on American Community Survey 5-year estimates.
- What cities are near Longmont?
- Nearby places include Niwot (5.4 mi), Gunbarrel (7.3 mi), Mead (7.6 mi), Leyner (8.2 mi), Frederick (8.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023