Boulder, CO · standard
ZIP Code 80304
Boulder County, Colorado - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 25,623
- 1,085/sq mi High-density area
- $126,558
- Median income Above-median income area
- $1,210,200
- Median home value Above-median home value
- 77.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Boulder pairs a top-decile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 8%
- household income, US ZIPs
- Top 1%
- home value, US ZIPs
- 1,085
- people per sq mi
- 70%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 80304 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 80304 (Boulder, CO) rose +3.6% from 2023 to 2024. The all-transactions index moved from 303.1 in 2023 to 313.9 in 2024 (2000 = 100).
ZIP code 80304 is a densely settled ZIP (a standard USPS delivery area) in Boulder, Boulder County, Colorado, with 25,623 residents across 23.6 square miles, a density of 1,085 people per square mile, in the Denver time zone.
ZIP 80304 skews affluent, with a median household income of $126,558 (43% above the average Colorado ZIP), while per-capita income is $89,956. The poverty rate is 10.4%, with unemployment at 4.7%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $1,210,200 (150% above the average Colorado ZIP), while 70.0% of occupied homes are owner-occupied and median rent is $2,075.
This is a highly-educated ZIP: 77.0% of adults hold a bachelor's degree or higher, the median age is 42.8, and the average commute is 19 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Boulder County, so 80304 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 80304
Top 5 sectors by establishment count in Boulder, CO
Which industries have the most business establishments in ZIP 80304.
- Professional, scientific, and technical services
Professional, scientific, and technical services
299 establishments
- Health care and social assistance
Health care and social assistance
155 establishments
- Real estate and rental and leasing 89
Real estate and rental and leasing
89 establishments
- Other services (except public administration) 89
Other services (except public administration)
89 establishments
- Construction 52
Construction
52 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 80304, Boulder, CO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
25,623
Population
23.6
Area (sq mi)
1,085
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 80304?
42.8
Median Age
48.7%
Male
51.3%
Female
12.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$126,558
Median Household Income
+43% vs state ZIP avg
$89,956
Per Capita Income
10.4%
Poverty Rate
4.7%
Unemployment Rate
18.6 min
Mean Commute Time
How ZIP 80304 ranks among Colorado ZIPs
Boulder, CO household income vs. every Colorado ZIP code
Median household income among 469 reporting Colorado ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$126,558 Top 14% higher than 86% of 469 Colorado ZIPs
Each bar is a $20K-wide band; taller bars hold more Colorado ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
11,952housing units
11,952
Total Housing Units
11,358
Occupied Units
594
Vacant Units
2.20
Avg Household Size
Occupancy Type
$1,210,200
Median Home Value
+150% vs state ZIP avg
$2,075
Median Rent
1978
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+3.6%
YoY Change (2024)
314
HPI Index (2000 = 100)
+214%
Total Change Since 2000
Home values in ZIP 80304 have increased 3.6% over the past year (2024). Since 2000, this ZIP has seen +214% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -3.8% | 243 |
| 2021 | +2.7% | 250 |
| 2022 | +26.4% | 316 |
| 2023 | -4.0% | 303 |
| 2024 | +3.6% | 314 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 1,009 business establishments in ZIP 80304, employing approximately 5,508 people with a combined annual payroll of $338,751,000.
1,009
Businesses
5,508
Employees
$338.8M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 299 | 29.6% |
| Health care and social assistance | 155 | 15.4% |
| Real estate and rental and leasing | 89 | 8.8% |
| Other services (except public administration) | 89 | 8.8% |
| Construction | 52 | 5.2% |
| Retail trade | 42 | 4.2% |
| Accommodation and food services | 41 | 4.1% |
| Finance and insurance | 40 | 4.0% |
| Administrative and support and waste management and remediation services | 40 | 4.0% |
| Educational services | 37 | 3.7% |
| Arts, entertainment, and recreation | 37 | 3.7% |
| Information | 34 | 3.4% |
| Wholesale trade | 27 | 2.7% |
| Manufacturing | 18 | 1.8% |
| Transportation and warehousing | 4 | 0.4% |
| Management of companies and enterprises | 3 | 0.3% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 80304 vs 80310 →
ZIP 80304 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 80503
Longmont (80503)
31,064 residents
- 80027
Louisville (80027)
31,034 residents
- 80302
Boulder (80302)
26,941 residents
- 80304
Boulder (80304)
25,623 residents
- 80301
Boulder (80301)
22,555 residents
- 80303
Boulder (80303)
22,361 residents
- 80305
Boulder (80305)
16,874 residents
- 80310 6,578
Boulder (80310)
6,578 residents
- 80455 497
Jamestown (80455)
497 residents
What this shows Among its immediate neighbors, ZIP 80304 ranks #4 by population - useful context the national average alone can't give.
ZIP 80304 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 80455
Jamestown (80455)
$169,286 median income
- 80027
Louisville (80027)
$154,232 median income
- 80025
Eldorado Springs (80025)
$134,102 median income
- 80304
Boulder (80304)
$126,558 median income
- 80305
Boulder (80305)
$126,107 median income
- 80503
Longmont (80503)
$113,620 median income
- 80301
Boulder (80301)
$95,207 median income
- 80303
Boulder (80303)
$78,555 median income
- 80302 $61,698
Boulder (80302)
$61,698 median income
What this shows By household income, ZIP 80304 ranks #4 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 80310 | Boulder, CO | 6,578 | 3.3 mi |
| 80302 | Boulder, CO | 26,941 | 4.2 mi |
| 80301 | Boulder, CO | 22,555 | 4.8 mi |
| 80025 | Eldorado Springs, CO | 253 | 6.9 mi |
| 80305 | Boulder, CO | 16,874 | 5.4 mi |
| 80303 | Boulder, CO | 22,361 | 6.4 mi |
| 80455 | Jamestown, CO | 497 | 7.1 mi |
| 80544 | Niwot, CO | 111 | 7.5 mi |
| 80503 | Longmont, CO | 31,064 | 9.8 mi |
| 80027 | Louisville, CO | 31,034 | 9.4 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 80304, both outside CO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (25,623 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Boulder County
Related Areas
Frequently Asked Questions
What county is ZIP code 80304 in?
ZIP code 80304 (Boulder) is located in Boulder County, Colorado. Boulder County contains multiple ZIP codes, see the full list at /counties/boulder-co.
What is the population of ZIP code 80304?
ZIP code 80304 in Boulder, CO has a population of 25,623 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 80304?
The median household income in ZIP 80304 is $126,558, which is 66% above the national average of $76,288.
What is the average home value in ZIP 80304?
The median home value in ZIP 80304 is $1,210,200, which is 335% above the national average of $278,155.
What is the demographic makeup of ZIP 80304?
The largest racial group in ZIP 80304 is White at 79.9%. Hispanic or Latino residents make up 12.7% of the population.
How many businesses are in ZIP code 80304?
ZIP code 80304 has 1,009 business establishments employing approximately 5,508 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 80304?
The top industries by establishment count in ZIP 80304 are: Professional, scientific, and technical services (299), Health care and social assistance (155), Real estate and rental and leasing (89). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 80304?
According to the FHFA House Price Index, home values in ZIP 80304 increased by 3.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 214%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 80304?
In ZIP code 80304, 84.1% of residents aged 25+ have a high school diploma or higher, and 77.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 80304?
The mean commute time for workers in ZIP code 80304 is 18.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 80304?
In ZIP code 80304, approximately 70.0% of occupied housing units are owner-occupied and 30.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 80304?
The poverty rate in ZIP code 80304 is 10.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 80304's numbers, next.
- See how ZIP 80304 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Boulder, CO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.