US ZIP Code
80305

Boulder, CO

Boulder County  ·  Colorado

● Active
👥 16,101 Population ↓ 6% since 2019
💰 $120,933 Median HH Income
▲ 58% above avg ↑ 31% since 2019
🎂 37.7 Median Age ↑ 4% since 2019
🏠 $985,700 Median Home Value
▲ 254% above avg ↑ 40% since 2019
🎓 84.1% College Grads
▲ 117% above avg
📊 4.5% Unemployment
▼ 8% below avg ↑ 4% since 2019
ZIP Code Details
ZIP Code80305
CityBoulder
StateColorado (CO)
CountyBoulder County
Area Code303/983
Elevation5,537 ft
Latitude39.976873
Longitude-105.248683
TimezoneDenver (DST)
FIPS08013
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.2% (8,079) Female 49.8% (8,022) ♀

Race & Ethnicity

White: 81.6%Hispanic: 7.7%Black: 0.9%Asian: 5.8%Other: 3.7%Race
White81.6%
Hispanic7.7%
Black0.9%
Asian5.8%
Other3.7%

Age Breakdown

Under 5
3%
5–17
15%
18–24
14%
25–44
27%
45–64
25%
65+
8%

Key Indicators

Median Age37.7 yrs ↑ 4% since 2019
Avg Household Size2.32
Below Poverty12.6% ▲ 26% above avg
College Grads84.1% ▲ 117% above avg
Unemployment4.5% ▼ 8% below avg
No HS Diploma42 (0.4%)
HS Graduate401 (4.2%)
Some College404 (4.3%)
Associates652 (6.9%)
Bachelors365 (3.9%)
Graduate Degree7,574 (80.3%)

Education

No HS: 0.4%HS Grad: 4.2%Some College: 4.3%Associates: 6.9%Bachelors: 3.9%Graduate: 80.3%Edu
No HS0.4%
HS Grad4.2%
Some College4.3%
Associates6.9%
Bachelors3.9%
Graduate80.3%
Housing & Income

Housing Tenure

Owner: 62.4%Renter: 37.6%Tenure
Owner62.4%
Renter37.6%

Home Value Distribution

Under $50k
2%
$50k–100k
1%
$100k–150k
1%
$150k–200k
1%
$200k–300k
0%
$300k–500k
2%
Over $500k
93%

Financials

Median HH Income$120,933 ▲ 58% above avg ↑ 31% since 2019
Median Home Value$985,700 ▲ 254% above avg ↑ 40% since 2019
Home/Income Ratio8.2x (nat avg ~3.5x)
Median Rent$2,198/mo ↑ 17% since 2019
Total Units7,263
Vacant Units340
Avg HH Size2.32

Income Distribution

Under $25k
15%
$25k–50k
8%
$50k–75k
9%
$75k–100k
9%
$100k–150k
16%
$150k–200k
13%
Over $200k
31%
Employment & Commute

How People Get to Work

Drove Alone
45%
Public Transit
9%
Walked
1%
Work From Home
45%

Commute Time

Under 15 min
29%
15–30 min
49%
30–45 min
13%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
30%
1960s–1970s
17%
1980s–1990s
2%
2000+
51%

Summary

Total Units7,263
Vacant340
Owner Occupied62.4%
Renter Occupied37.6%
Avg HH Size2.32
Frequently Asked Questions
ZIP code 80305 is in Boulder, CO, in Boulder County.
ZIP code 80305 is located in Colorado (CO).
ZIP code 80305 is in Boulder County, CO.
ZIP 80305 observes the Denver timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 80305 is 16,101 people (ACS 2023).
The median household income in ZIP code 80305 is $120,933 (ACS 2023).
The median home value in ZIP 80305 is $985,700 (ACS 2023).
About ZIP Code 80305

ZIP code 80305 is located in Boulder, Colorado, within Boulder County. With a population of 16,101, this is a moderately populated ZIP code with a relatively young community — the median age is 37.7 years. Economically, 80305 is a upper-middle-income ZIP code: the median household income of $120,933 is significantly above the national average.

Real estate in ZIP code 80305 represents among the most expensive housing markets in the country. The median home value of $985,700 is more than double the national average. Renters can expect to pay around $2,198 per month in median rent. Homeownership is strong here — 62.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 40% since 2019.

The population of 80305 is primarily White (81.61%). Residents are highly educated — 84.1% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects some residents at 12.6%. Household income has grown by 31% since 2019.

The unemployment rate in 80305 stands at 4.5%, which is near the national average. A notably high share of workers — 40% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 39%.

Overall, ZIP code 80305 in Boulder, CO is characterized as upper-middle-income, highly educated, a relatively young community, and predominantly owner-occupied. With 16,101 residents, a median household income of $120,933, and a median home value of $985,700, it offers a clear picture of life in this part of Colorado.