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ZIP Code 80305
Boulder, CO, Boulder County
Population
16,291
Land area
5.8sq mi
People per sq mi
2,799
City
Boulder
ZIP 80305 and nearby ZIP codes
ZIP 80305 at a glance
- ZIP 80305 (Boulder) is about 49 times as dense as Colorado as a whole.
- The median household income is $126,107, 32% above the Colorado median of $95,470.
- A typical owner-occupied home is valued at $1,032,900 (91% above Colorado) and median rent is $2,311 a month.
Local data for ZIP 80305
Counts from official public data
Housing and community stats
ZIP 80305, American Community Survey 2020-2024
Median household income
$126,107
Poverty rate
12.2%
Median home value
$1,032,900
Prices -2.2% in a year
Median rent
$2,311/mo
Homeownership
60.2%
Bachelor's or higher
79.4%
Median age
36.7
Average commute
18.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
469
ZIP Business Patterns 2023
Employees
2,985
$171M annual payroll
PPP loans
$20.4M
578 loans
Campaign donations
$951K
65% D, 1% R, 2026 cycle
Environment and hazard risk
ZIP 80305, 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
88° / 22°F
21.2 inches of rain a year
Health statistics
Share of adults in ZIP 80305, CDC PLACES estimates
Obesity
15.9%
U.S. 33.3% -17.4 pts
Diabetes
6.1%
U.S. 12.1% -6.0 pts
Smoking
7.4%
U.S. 12.8% -5.4 pts
Uninsured (18-64)
5.9%
U.S. 11.1% -5.2 pts
Frequently asked questions
- What city is ZIP code 80305?
- ZIP code 80305 is in Boulder, CO (Boulder County).
- What county is ZIP code 80305 in?
- ZIP code 80305 is mostly in Boulder County, Colorado.
- How many people live in ZIP code 80305?
- About 16,291 people live in the 80305 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.