Population By Race and Ethnicity in Boulder County, CO in 2020

Updated on July 31, 2024.

Based on the US Census Vintage data estimates, in 2020, the 330,938 population of Boulder County, Colorado comprised of 48,048 people who identified as Hispanic (14.52%), and 282,890 people who identified as Non-Hispanic (85.48%).

Race: The White Alone population was the largest racial group in Boulder County, Colorado with a population of 297,652 (89.94%); Asian Alone population was the second largest racial group with a population of 16,327 (4.93%); and Two Or More Races was the third largest racial group with a population of 9,622 (2.91%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Boulder County, Colorado in 2020, with a population of 254,466 (76.89%); the second largest ethnic group was White Alone - Hispanic with a population of 43,186 (13.05%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 15,896 (4.8%).

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 2020

Total Population:330,938

Non Hispanic (85.48%)

Hispanic (14.52%)

Race in Boulder County, CO in 2020

Total Population:330,938

White Alone (89.94%)

Asian Alone (4.93%)

Two or more races (2.91%)

Black or African American Alone (1.22%)

American Indian and Alaska Native Alone (0.92%)

Native Hawaiian And Pacific Islander Alone (0.08%)

Ethnicity in Boulder County, CO in 2020

Total Population:330,938

Non-Hispanic White Alone (76.89%)

Hispanic White Alone (13.05%)

Non-Hispanic Asian Alone (4.8%)

Non-Hispanic Two or more races (2.36%)

All Other Ethnicities (1.92%)

Non-Hispanic Black or African American Alone (0.98%)

Population By Race in Boulder , CO in 2020

Race	Population	Percentage
White Alone	297,652	89.94%
Asian Alone	16,327	4.93%
Two Or More Races	9,622	2.91%
Black or African American Alone	4,028	1.22%
American Indian and Alaska Native Alone	3,049	0.92%
Native Hawaiian And Pacific Islander Alone	260	0.08%

Population By Ethnicity in Boulder , CO in 2020

Ethnicity	Population	Percentage
White Alone - Non Hispanic	254,466	76.89%
White Alone - Hispanic	43,186	13.05%
Asian Alone - Non Hispanic	15,896	4.8%
Two Or More Races - Non Hispanic	7,798	2.36%
Black or African American Alone - Non Hispanic	3,236	0.98%
Two Or More Races - Hispanic	1,824	0.55%
American Indian and Alaska Native Alone - Hispanic	1,731	0.52%
American Indian and Alaska Native Alone - Non Hispanic	1,318	0.4%
Black or African American Alone - Hispanic	792	0.24%
Asian Alone - Hispanic	431	0.13%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	176	0.05%
Native Hawaiian And Pacific Islander Alone - Hispanic	84	0.03%