Population By Race and Ethnicity in Boulder County, CO in 2015

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 318,408 population of Boulder County, Colorado comprised of 43,494 people who identified as Hispanic (13.66%), and 274,914 people who identified as Non-Hispanic (86.34%).

Race: The White Alone population was the largest racial group in Boulder County, Colorado with a population of 288,526 (90.62%); Asian Alone population was the second largest racial group with a population of 15,081 (4.74%); and Two Or More Races was the third largest racial group with a population of 8,399 (2.64%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Boulder County, Colorado in 2015, with a population of 249,194 (78.26%); the second largest ethnic group was White Alone - Hispanic with a population of 39,332 (12.35%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 14,742 (4.63%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Boulder, Colorado.

You can find similar information for other Colorado counties, and for Colorado.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Boulder County, CO in 2015

Total Population:318,408

Non Hispanic (86.34%)

Hispanic (13.66%)

Race in Boulder County, CO in 2015

Total Population:318,408

White Alone (90.62%)

Asian Alone (4.74%)

Two or more races (2.64%)

Black or African American Alone (1.07%)

American Indian and Alaska Native Alone (0.86%)

Native Hawaiian And Pacific Islander Alone (0.07%)

Ethnicity in Boulder County, CO in 2015

Total Population:318,408

Non-Hispanic White Alone (78.26%)

Hispanic White Alone (12.35%)

Non-Hispanic Asian Alone (4.63%)

Non-Hispanic Two or more races (2.15%)

All Other Ethnicities (1.73%)

Non-Hispanic Black or African American Alone (0.87%)

Population By Race in Boulder , CO in 2015

Race	Population	Percentage
White Alone	288,526	90.62%
Asian Alone	15,081	4.74%
Two Or More Races	8,399	2.64%
Black or African American Alone	3,420	1.07%
American Indian and Alaska Native Alone	2,749	0.86%
Native Hawaiian And Pacific Islander Alone	233	0.07%

Population By Ethnicity in Boulder , CO in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	249,194	78.26%
White Alone - Hispanic	39,332	12.35%
Asian Alone - Non Hispanic	14,742	4.63%
Two Or More Races - Non Hispanic	6,837	2.15%
Black or African American Alone - Non Hispanic	2,782	0.87%
Two Or More Races - Hispanic	1,562	0.49%
American Indian and Alaska Native Alone - Hispanic	1,556	0.49%
American Indian and Alaska Native Alone - Non Hispanic	1,193	0.38%
Black or African American Alone - Hispanic	638	0.2%
Asian Alone - Hispanic	339	0.11%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	166	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	67	0.02%