ZIP code 80304: Boulder, CO
80304 is a ZIP code in Boulder, Colorado, mainly in Boulder County, part of the Boulder, CO metro area. About 25,383 people live here.
- Population
- 25,383
- Median household income
- $126,558
- Typical home value
- $1,214,800+3.4% in 12 months
- Median rent
- $2,075gross, per month
- Median age
- 42.8
- Homeowners
- 70%of occupied homes
Shaded: ZIP code 80304's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 80304 details
| City | Boulder |
|---|---|
| State | Colorado |
| County | Boulder County |
| Metro area | Boulder, CO |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 9 sq mi, plus 0 sq mi of water |
| Population density | 2,811 people per sq mi |
| Bachelor's degree or higher | 77% of adults 25+ |
| Average commute | 18.6 minutes |
| Center coordinates | 40.04473, -105.28835 |
Median rent in 80304 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,145/mo |
| 1 bedroom | $1,747/mo |
| 2 bedrooms | $2,107/mo |
| 3 bedrooms | $3,148/mo |
| 4 bedrooms | $3,501/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 80304
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 80309 | Boulder, CO | 2.3 mi | — |
| 80310 | Boulder, CO | 3.2 mi | 7,692 |
| 80302 | Boulder, CO | 3.5 mi | 29,569 |
| 80301 | Boulder, CO | 4.6 mi | 25,007 |
| 80305 | Boulder, CO | 5.1 mi | 16,291 |
| 80308 | Boulder, CO | 5.3 mi | — |
| 80314 | Boulder, CO | 5.4 mi | — |
| 80307 | Boulder, CO | 5.4 mi | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 80304?
A typical home in ZIP code 80304 is worth about $1,214,800 (Zillow Home Value Index). The median household here earns $126,558 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.
Monthly payment for a $1,214,800 homeWhat can a $126,558 income afford?Rental property numbers
About ZIP code 80304
What city is ZIP code 80304?
ZIP code 80304 is in Boulder, CO, in Boulder County.
What county is ZIP code 80304 in?
80304 is mainly in Boulder County, Colorado.
What is the population of ZIP code 80304?
About 25,383 people live in ZIP code 80304, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 80304 in?
80304 is in Mountain Time (UTC−7). It observes daylight saving time.