Population By Race and Ethnicity in Jefferson County, CO in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 540,582 population of Jefferson County, Colorado comprised of 79,224 people who identified as Hispanic (14.66%), and 461,358 people who identified as Non-Hispanic (85.35%).

Race: The White Alone population was the largest racial group in Jefferson County, Colorado with a population of 500,405 (92.57%); Asian Alone population was the second largest racial group with a population of 14,897 (2.76%); and Two Or More Races was the third largest racial group with a population of 11,819 (2.19%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Jefferson County, Colorado in 2011, with a population of 430,279 (79.6%); the second largest ethnic group was White Alone - Hispanic with a population of 70,126 (12.97%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 14,179 (2.62%).

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 2011
Total Population:
Race in Jefferson County, CO in 2011
Total Population:
Ethnicity in Jefferson County, CO in 2011
Total Population:
Population By Race in Jefferson , CO in 2011
Race Population Percentage
Black or African American Alone 6,447 1.19%
White Alone 500,405 92.57%
American Indian and Alaska Native Alone 6,367 1.18%
Asian Alone 14,897 2.76%
Native Hawaiian And Pacific Islander Alone 647 0.12%
Two Or More Races 11,819 2.19%
Population By Ethnicity in Jefferson , CO in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 1,210 0.22%
White Alone - Hispanic 70,126 12.97%
American Indian and Alaska Native Alone - Hispanic 3,625 0.67%
Asian Alone - Hispanic 718 0.13%
Native Hawaiian And Pacific Islander Alone - Hispanic 201 0.04%
Two Or More Races - Hispanic 3,344 0.62%
Black or African American Alone - Non Hispanic 5,237 0.97%
White Alone - Non Hispanic 430,279 79.6%
American Indian and Alaska Native Alone - Non Hispanic 2,742 0.51%
Asian Alone - Non Hispanic 14,179 2.62%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 446 0.08%
Two Or More Races - Non Hispanic 8,475 1.57%