Boulder, Colorado Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Boulder, Colorado is 106,274 as of the 2023 American Community Survey, making it the 12th-largest city in Colorado. The median household income is $85,364, the median home value is $982,600, and the median age is 28.8.
The population has grown 9.3% since 2010 (97,752 → 106,803).
106,274
Population
3954
People / sq mi
$85,364
Median Income
$982,600
Median Home Value
Boulder covers 26.9 sq mi of land at 3954 people per square mile.
About Boulder, CO
Boulder is a city in Colorado with a population of 106,274. It ranks #12 among cities in Colorado by population. The median age is 28.8, younger than the national median. The population is 51.8% male and 48.2% female.
The median household income in Boulder is $85,364, above the US median of $74,580. 5.9% of residents live below the federal poverty level. Home values sit at a median of $982,600, with monthly rent averaging $1,924. The homeownership rate of 47.9% is lower than the national rate of 64.8%.
Educational attainment in Boulder reflects 76.8% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 31.6% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 19.0 minutes each way.
Boulder city Population History (2010-2024)
The city of Boulder city had a population of 97,752 in 2010 and 106,803 in 2024, a 9.3% growth over 14 years. The peak was 108,418 in 2020. Average annual growth rate: 0.65%.
106,803
Population (2024)
97,752
Population (2010)
108,418
Peak (2020)
0.65%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 97,752 |
| 2011 | 100,137 |
| 2012 | 101,160 |
| 2013 | 102,719 |
| 2014 | 104,451 |
| 2015 | 106,742 |
| 2016 | 107,128 |
| 2017 | 106,447 |
| 2018 | 106,008 |
| 2019 | 105,673 |
| 2020 | 108,418 |
| 2021 | 104,316 |
| 2022 | 106,079 |
| 2023 | 106,634 |
| 2024 | 106,803 |
Race & Ethnicity
| White | 81.8% |
| Black or African American | 1.1% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Economy & Income
$85,364
Median Household Income
$59,450
Per Capita Income
5.9%
Poverty Rate
3.9%
Unemployment Rate
Housing
$982,600
Median Home Value
$1,924
Median Rent
47.9%
Owner-Occupied
Education
96.9%
High School+
76.8%
Bachelor's+
Commute
5.9%
Drive Alone
41.9%
Public Transit
31.6%
Work From Home
19.0 min
Avg Commute
Community Profile
59.0%
Foreign Born
85.1%
Non-English at Home
2.8%
Veterans
7.5%
With Disability
96.5%
Health Insurance
98.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 27.3% |
| Finance, Insurance & Real Estate | 20.1% |
| Education, Health Care & Social Services | 14.4% |
| Manufacturing | 6.4% |
| Information | 5.0% |
| Arts, Entertainment & Food Services | 3.9% |
| Transportation & Warehousing | 3.5% |
| Construction | 2.8% |
| Retail Trade | 2.7% |
| Public Administration | 2.6% |
| Agriculture & Mining | 0.8% |
Largest cities in Colorado
Largest counties in Colorado
Part of Colorado
Metro areas in Colorado
City rankings
Frequently Asked Questions
Boulder, Colorado has a population of 106,274 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest city in Colorado.
The median household income in Boulder, Colorado is $85,364, with 5.9% of residents living below the federal poverty level.
The median home value in Boulder, Colorado is $982,600, with median monthly rent at $1,924 and a homeownership rate of 47.9%.
The median age in Boulder, Colorado is 28.8 years. The population is 51.8% male and 48.2% female.
The population has grown 9.3% since 2010 (97,752 → 106,803).
More from Colorado
Population 713,734
Population 483,099
Population 390,201
Population 169,705
Population 156,309
Full rankings of Colorado cities by population
Statewide data for Colorado
Population, race, income, age, and trends across Colorado
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.