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

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2015, the 565,240 population of Jefferson County, Colorado comprised of 85,532 people who identified as Hispanic (15.13%), and 479,708 people who identified as Non-Hispanic (84.87%).

Race: The White Alone population was the largest racial group in Jefferson County, Colorado with a population of 521,008 (92.18%); Asian Alone population was the second largest racial group with a population of 16,289 (2.88%); and Two Or More Races was the third largest racial group with a population of 13,413 (2.37%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Colorado in 2015, with a population of 445,310 (78.78%); the second largest ethnic group was White Alone - Hispanic with a population of 75,698 (13.39%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 15,494 (2.74%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Jefferson, 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 Jefferson County, CO in 2015

Total Population:565,240

Non Hispanic (84.87%)

Hispanic (15.13%)

Race in Jefferson County, CO in 2015

Total Population:565,240

White Alone (92.18%)

Asian Alone (2.88%)

Two or more races (2.37%)

Black or African American Alone (1.25%)

American Indian and Alaska Native Alone (1.2%)

Native Hawaiian And Pacific Islander Alone (0.12%)

Ethnicity in Jefferson County, CO in 2015

Total Population:565,240

Non-Hispanic White Alone (78.78%)

Hispanic White Alone (13.39%)

Non-Hispanic Asian Alone (2.74%)

All Other Ethnicities (2.34%)

Non-Hispanic Two or more races (1.73%)

Non-Hispanic Black or African American Alone (1.01%)

Population By Race in Jefferson , CO in 2015

Race	Population	Percentage
White Alone	521,008	92.18%
Asian Alone	16,289	2.88%
Two Or More Races	13,413	2.37%
Black or African American Alone	7,073	1.25%
American Indian and Alaska Native Alone	6,763	1.2%
Native Hawaiian And Pacific Islander Alone	694	0.12%

Population By Ethnicity in Jefferson , CO in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	445,310	78.78%
White Alone - Hispanic	75,698	13.39%
Asian Alone - Non Hispanic	15,494	2.74%
Two Or More Races - Non Hispanic	9,801	1.73%
Black or African American Alone - Non Hispanic	5,708	1.01%
American Indian and Alaska Native Alone - Hispanic	3,851	0.68%
Two Or More Races - Hispanic	3,612	0.64%
American Indian and Alaska Native Alone - Non Hispanic	2,912	0.52%
Black or African American Alone - Hispanic	1,365	0.24%
Asian Alone - Hispanic	795	0.14%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	483	0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic	211	0.04%