Firestone, CO ZIP Codes

2 ZIP codes serve Firestone, Colorado: 80504 and 80520. Together they are home to 64,591 residents in 24,659 households. That is more than the 18,049 people counted inside Firestone town limits, because these ZIP codes reach past its boundary. Median household income ranges from $63,529 in 80520 to $113,643 in 80504.

Firestone town limits (Census)

MeasureCensus figure
Residents18,049
Households6,323
Median household income$120,150
Median home value$560,100
Median age35.9
Median rent$2,009

All 2 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)64,591
Households (sum of ZIP codes)24,659
Median household income, range across ZIP codes$63,529 (80520) to $113,643 (80504)
Household-weighted average of ZIP medians (an approximation, not a true median)$112,460
Homeowners79.3%
Households with kids under 1830.7%
Moved in the past year11.5%
Carrier routes in EDDM2GO's route library39 routes, 25,785 homes (1 of 2 ZIP codes)

Top facts

Every ZIP code in Firestone

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
80504Longmont63,45124,077$113,643$591,70079.1%30.8%11.5%3926,80413% of its land
80520Firestone1,140582$63,529$449,40088.5%25.4%13.8%——97% of its land; mailing city

A ZIP code is listed for Firestone when at least 10% of its land lies inside Firestone town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Firestone. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Firestone.

Counties

Nearby cities sharing these ZIP codes

Price a mailing to Firestone ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Firestone, CO?
80504 and 80520. A ZIP code is listed for Firestone when at least 10% of its land lies inside Firestone town limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Firestone.
What is the population of Firestone, CO?
The Census Bureau counts 18,049 residents inside Firestone town limits (ACS 2020–2024). The 2 ZIP codes that serve Firestone hold 64,591 residents in all.
What is the median household income in Firestone, CO?
$120,150 inside Firestone town limits, per the Census Bureau. Across its ZIP codes the medians run from $63,529 to $113,643.
Which Firestone ZIP code has the highest median household income?
80504, at $113,643, among ZIP codes with at least 1,000 residents.
How many carrier routes and mailboxes are in Firestone, CO?
For the 1 of 2 ZIP codes in EDDM2GO's stored route library: 39 carrier routes reaching 25,785 residential and 965 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.