Boulder is a city located in Boulder County, Colorado. Boulder has a 2025 population of 104,414. It is also the county seat of Boulder County. Boulder is currently declining at a rate of -0.71% annually and its population has decreased by -3.43% since the most recent census, which recorded a population of 108,123 in 2020.
The average household income in Boulder is $140,662 with a poverty rate of 21.8%.The median age in Boulder is 28.8 years: 28.3 years for males, and 29.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Boulder includes 81.77% White, 5.77% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
---|---|---|
White | 86,905 | 81.77% |
Two or more races | 9,796 | 9.22% |
Asian | 6,137 | 5.77% |
Other race | 1,889 | 1.78% |
Black or African American | 1,139 | 1.07% |
Native American | 344 | 0.32% |
Native Hawaiian or Pacific Islander | 64 | 0.06% |
Married
Widowed
Divorced
Separated
Never Married
Boulder's average per capita income is $64,110. Household income levels show a median of $85,364. The poverty rate stands at 21.8%.
Name | Median | Mean |
---|---|---|
Married Families | $185,000 | - |
Families | $163,202 | $212,670 |
Households | $85,364 | $140,662 |
Non Families | $53,184 | $92,067 |
Average Income
Median Household Income
Poverty Rate