ZIP Code 80304
standardSource:
Boulder · Boulder County · Colorado
- Population
- 25,623
- Median income
- $126,558
- Median home value
- $1,210,200
- Bachelor's or higher
- 77.0%
- Land area
- 23.6 sq mi
1,085/sq mi
▲ 66% vs US
higher than 92% of US ZIPs
▲ 335% vs US
higher than 99% of US ZIPs
Median age 42.8
Denver
ZIP code 80304 in Boulder, Colorado has a population of 25,623. The median household income is $126,558, which is 66% above the national average. Median home value is $1,210,200, 335% above the US average. 77.0% of residents hold a bachelor's degree or higher.
ZIP code 80304 is classified by USPS as a standard delivery area and covers roughly 23.6 square miles in Boulder, Boulder County, Colorado. The area is home to 25,623 residents, producing a population density of 1,085 people per square mile, and falls within the Denver time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 80304 against Colorado and the nation.
On the economic side, the median household income for ZIP 80304 sits at $126,558 (43% above the Colorado average), while per-capita income is $89,956. The poverty rate stands at 10.4% and the unemployment rate at 4.7%. On housing, the median home value is $1,210,200 (150% above the state average) with median rent at $2,075 per month, and 70.0% of occupied units are owner-occupied, a direct signal of whether 80304 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 77.0% of adults hold a bachelor's degree or higher, the median age is 42.8, and the average commute is 19 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Boulder County, so you can benchmark 80304 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 80304
Top 5 sectors by establishment count
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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
$89,956
Per Capita Income
10.4%
Poverty Rate
4.7%
Unemployment Rate
18.6 min
Mean Commute Time
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?
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
$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 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 |
More ZIP Codes in Boulder County
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Frequently Asked Questions
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How many businesses are in ZIP code 80304? ▼
What are the main industries in ZIP code 80304? ▼
How have home values changed in ZIP code 80304? ▼
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What percentage of residents own vs. rent in ZIP 80304? ▼
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ZIP Code Research Guides
Official Data Resources for Boulder, CO
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.