Firestone is a town in Weld County, Colorado, home to about 18,049 people across 14 square miles. Its ZIP code is 80520, and parts of 80504, 80530 and 80621 are in Firestone too.
Homes sold for a median of $236 per square foot across 3 ZIP codes in the three months ending August 2026, and 1 of 3 were seller’s markets.
All in Firestone
Mostly Longmont; part is in Firestone
Mostly Frederick; part is in Firestone
Mostly Fort Lupton; part is in Firestone
Each card is that ZIP code’s whole market, including any part outside Firestone. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Firestone’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Firestone well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Denver International Airport (DEN)23 miles away |
|---|---|
| Closer regional airport | Rocky Mountain Metropolitan Airport (BJC)18 miles away |
| Nearest city of 250,000+ | Denver, CO26 miles away |
| Nearest city of 1 million+ | Phoenix, AZ601 miles away |
Straight-line distances from the center of Firestone; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Firestone had 16,381 residents in the 2020 census, up 759% since 2000.
It’s the 45th largest of 472 towns in Colorado by population.
Weld County grew from 16,808 residents in 1900 to 328,981 in 2020.
Weld County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 91°F in summer, and winter lows average 14°F. About 15.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Longmont 2 Ese, CO weather station (8 miles away).
101,420 jobs at 7,454 businesses in Weld County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
6 doctors and other health care providers list an office in Firestone.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 2 |
|---|---|
| Mental health providers | 3 |
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (17 nearby)
Grocery stores (4 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Counts are within about 2.5 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by St. Vrain Valley School District No. Re1J. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Centennial ElementaryFirestone | Pre-K–5 | 525 | Public | 1.7 mi |
| Firestone Charter AcademyFirestone | Pre-K–8 | 600 | Charter | 2.5 mi |
| Prairie Ridge Elementary SchoolFirestone | Pre-K–5 | 387 | Public | 1.8 mi |
| Coal Ridge Middle SchoolFirestone | 6–8 | 727 | Public | 1.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Longmont, Fort Lupton, Frederick, Aristocrat Ranchettes, Mead and Brighton.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.