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.

See this for other years:
Hispanics and Non Hispanics in Jefferson County, CO in 2015
Total Population:
Race in Jefferson County, CO in 2015
Total Population:
Ethnicity in Jefferson County, CO in 2015
Total Population:
Population By Race in Jefferson , CO in 2015
Race Population Percentage
Black or African American Alone 7,073 1.25%
White Alone 521,008 92.18%
American Indian and Alaska Native Alone 6,763 1.2%
Asian Alone 16,289 2.88%
Native Hawaiian And Pacific Islander Alone 694 0.12%
Two Or More Races 13,413 2.37%
Population By Ethnicity in Jefferson , CO in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,365 0.24%
White Alone - Hispanic 75,698 13.39%
American Indian and Alaska Native Alone - Hispanic 3,851 0.68%
Asian Alone - Hispanic 795 0.14%
Native Hawaiian And Pacific Islander Alone - Hispanic 211 0.04%
Two Or More Races - Hispanic 3,612 0.64%
Black or African American Alone - Non Hispanic 5,708 1.01%
White Alone - Non Hispanic 445,310 78.78%
American Indian and Alaska Native Alone - Non Hispanic 2,912 0.52%
Asian Alone - Non Hispanic 15,494 2.74%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 483 0.09%
Two Or More Races - Non Hispanic 9,801 1.73%