ZIP code 80305: Boulder, CO
80305 is a ZIP code in Boulder, Colorado, mainly in Boulder County, part of the Boulder, CO metro area. About 16,291 people live here.
- Population
- 16,291
- Median household income
- $126,107
- Typical home value
- $961,900+0.9% in 12 months
- Median rent
- $2,311gross, per month
- Median age
- 36.7
- Homeowners
- 60.2%of occupied homes
Shaded: ZIP code 80305's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 80305 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 | 5.8 sq mi, plus 0.1 sq mi of water |
| Population density | 2,799 people per sq mi |
| Bachelor's degree or higher | 79.4% of adults 25+ |
| Average commute | 18.8 minutes |
| Center coordinates | 39.97687, -105.24868 |
Median rent in 80305 by bedrooms
| Size | Median gross rent |
|---|---|
| Studio | $1,549/mo |
| 1 bedroom | $2,060/mo |
| 2 bedrooms | $1,953/mo |
| 3 bedrooms | $2,955/mo |
| 4 bedrooms | $3,451/mo |
| 5+ 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 80305
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 80310 | Boulder, CO | 2.0 mi | 7,692 |
| 80303 | Boulder, CO | 2.1 mi | 24,996 |
| 80309 | Boulder, CO | 2.9 mi | — |
| 80025 | Eldorado Springs, CO | 4.5 mi | 138 |
| 80027 | Louisville, CO | 5.1 mi | 34,127 |
| 80304 | Boulder, CO | 5.1 mi | 25,383 |
| 80301 | Boulder, CO | 5.4 mi | 25,007 |
| 80302 | Boulder, CO | 6.3 mi | 29,569 |
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 80305?
A typical home in ZIP code 80305 is worth about $961,900 (Zillow Home Value Index). The median household here earns $126,107 a year. See what buying here would cost per month, with Colorado average taxes and insurance filled in.
Monthly payment for a $961,900 homeWhat can a $126,107 income afford?Rental property numbers
About ZIP code 80305
What city is ZIP code 80305?
ZIP code 80305 is in Boulder, CO, in Boulder County.
What county is ZIP code 80305 in?
80305 is mainly in Boulder County, Colorado.
What is the population of ZIP code 80305?
About 16,291 people live in ZIP code 80305, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 80305 in?
80305 is in Mountain Time (UTC−7). It observes daylight saving time.