ZIP codes
5
Boulder, CO Demographics & ZIP Codes
Boulder, Colorado demographics and median household income by ZIP code (in Boulder County) — 5 ZIP codes — population 99,451 — median income $103,196 — avg. home value $963,725. Compare income, housing, and population across ZIP codes on US5.
Population
99,451
Median household income (avg.)
$103,196
137% of U.S. median
Average home value
$963,725
277% of U.S. median
Average rent
$1,918
165% of U.S. median
Median age (avg.)
33.2
Boulder demographics
Boulder, Colorado covers 5 ZIP codes primarily in Boulder County, with a combined ZIP-area population of about 99,451.
Across ZIP codes with age data, the average median age is about 33.2 years.
Median household income in Boulder
The average median household income across ZIP codes in Boulder, Colorado is about $103,196 — about 23% above the CO ZIP average ($84,127), and about 37% above the U.S. median ($75,149).
Among ZIPs with income data, 80304 is near the top at about $121,534, while 80303 is near the bottom at about $77,344.
Housing in Boulder
For housing in Boulder, Colorado, the average median home value is about $963,725 and the average median rent is about $1,918.
The most populous ZIP in this set is 80304 (about 25,634 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Boulder
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 80304 | Boulder | Boulder County | CO | 25,634 | $121,534 | $1,166,100 |
| 80301 | Boulder | Boulder County | CO | 25,252 | $92,974 | $761,500 |
| 80303 | Boulder | Boulder County | CO | 24,934 | $77,344 | $941,600 |
| 80305 | Boulder | Boulder County | CO | 16,101 | $120,933 | $985,700 |
| 80310 | Boulder | Boulder County | CO | 7,530 | — | — |
Frequently asked questions
What are the demographics of Boulder?
Boulder, Colorado has a combined ZIP-area population of about 99,451 across 5 ZIP codes (primarily Boulder County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Boulder?
The average median household income across ZIP codes in Boulder, Colorado is about $103,196, about 23% above the state ZIP average ($84,127), and about 37% above the U.S. median ($75,149). Average median home value is about $963,725. Among ZIPs with data, 80304 is near the top ($121,534) and 80303 is near the bottom ($77,344).
How many ZIP codes are in Boulder?
Boulder, Colorado includes 5 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Boulder?
This page lists ZIP codes in Boulder, Colorado with population, median household income, and home value. Select a ZIP for a full demographics profile.