Boulder, CO Census Data
The 12th largest city in Colorado by population · 20 cities ranked
Boulder is the 12th largest city in Colorado by population and ranks 13th of 20 for median household income. With 106,274 residents, its poverty rate of 21.8% ranks among the higher rates in Colorado. This snapshot draws from the 2023 American Community Survey (ACS) 5-year estimates.
Updated: 2026-04-13 · Source: U.S. Census Bureau, ACS 2023
Population
106,274
51.8% male · 48.2% female
Median Age
28.8
9.9 below the national average (38.7 yrs)
Median Household Income
$85,364
$6,826 above the national average ($78,538)
Bachelor's Degree or Higher
76.8%
41.8% above the national average (35.0%)
HS diploma or higher: 96.9%
Poverty Rate
21.8%
9.4% above the national average (12.4%)
Uninsured: 3.5%
Broadband Access
98.5%
8.8% above the national average (89.7%)
Median Home Value
$982,600
Median rent: $1,924 · 48% owner-occupied
Unemployment Rate
6.1%
Labor force participation: 60.0%
Per Capita Income
$32,906
Individual average income (not household)
Veteran Population
2.8%
Disability rate: 7.5%
How Boulder Compares to Other Colorado Cities
Rankings among all 20 Colorado cities tracked in the 2023 ACS.
| Ranking | Position | Tier |
|---|---|---|
| Largest by Population | 12th of 20 | Bottom half |
| Highest Median Income | 13th of 20 | Bottom half |
| Lowest Poverty Rate | 20th of 20 | Bottom 25% |
| Highest Bachelor's Attainment | 1st of 20 | Top 10% |
| Highest Home Value | 1st of 20 | Top 10% |
Demographics
Race & Ethnicity
Age Distribution
Commute to Work
Boulder, CO Frequently Asked Questions
What is the population of Boulder, CO?
The population of Boulder, CO is 106,274 according to the 2023 American Community Survey 5-year estimates. The median age is 28.8 years.
What is the median household income in Boulder?
The median household income in Boulder, CO is $85,364, above the national average of $78,538. Per capita income is $32,906.
What is the poverty rate in Boulder?
The poverty rate in Boulder, CO is 21.8%, compared to the national average of 12.4%. About 3.5% of residents lack health insurance.
What percentage of Boulder residents have a college degree?
76.8% of adults (25+) in Boulder hold a bachelor's degree or higher, and 96.9% have at least a high school diploma. The national average for bachelor's degree holders is 35.0%.
What is the median home value in Boulder?
The median home value in Boulder, CO is $982,600. Median rent is $1,924 per month, with 48% of housing units owner-occupied.
What is the racial makeup of Boulder?
Boulder's population is 81.8% White, 1.1% Black, 11.2% Hispanic or Latino, and 5.8% Asian (source: 2023 ACS).
How does Boulder rank among Colorado cities?
Boulder is the 12th largest city in Colorado by population, the 13th highest for median household income, the 20th lowest for poverty rate, the 1st highest for bachelor's degree attainment among 20 ranked Colorado cities.
What is the unemployment rate in Boulder?
The unemployment rate in Boulder, CO is 6.1%, with a labor force participation rate of 60.0%. Per capita income is $32,906.
Cities Similar to Boulder
Other Colorado cities with comparable population and income levels.