PlainZIP

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
$126,558
Median income
$1,210,200
Median home value
77.0%
Bachelor's or higher

The verdict

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.

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 Colorado average), while per-capita income is $89,956. Poverty here runs at 10.4%, with unemployment measured at 4.7%. Housing costs here run $1,210,200 for a typical home value (150% above the state average), with rent averaging $2,075 a month; 70.0% of homes are owner-occupied.

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. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Boulder County, letting you compare 80304 to its immediate surroundings rather than a national baseline alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 80304?

42.8

Median Age

48.7%

Male

51.3%

Female

12.9%

Foreign-Born

White 79.9%
African American 0.2%
Asian 3.4%
American Indian or Alaska Native 0.6%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 12.3%
Hispanic or Latino 12.7%

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

How ZIP 80304 ranks nationally

Boulder, CO household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$126,558 Top 8% higher than 92% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 84.1%
Bachelor's Degree or Higher 77.0%

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

Owner 70.0%
Renter 30.0%

$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 80304 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 80304 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 80304 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

80504 standard
Longmont, CO
Pop: 46,876
80501 standard
Longmont, CO
Pop: 39,521
80503 standard
Longmont, CO
Pop: 31,064
80027 standard
Louisville, CO
Pop: 31,034
80302 standard
Boulder, CO
Pop: 26,941
80026 standard
Lafayette, CO
Pop: 26,378

Related Areas

Boulder County Boulder, CO Colorado

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.

Read our methodology to see how this data is sourced, computed, and verified.