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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Jefferson County, CO in 2011

Total Population:540,582

Non Hispanic (85.35%)

Hispanic (14.66%)

Race in Jefferson County, CO in 2011

Total Population:540,582

White Alone (92.57%)

Asian Alone (2.76%)

Two or more races (2.19%)

Black or African American Alone (1.19%)

American Indian and Alaska Native Alone (1.18%)

Native Hawaiian And Pacific Islander Alone (0.12%)

Ethnicity in Jefferson County, CO in 2011

Total Population:540,582

Non-Hispanic White Alone (79.6%)

Hispanic White Alone (12.97%)

Non-Hispanic Asian Alone (2.62%)

All Other Ethnicities (2.27%)

Non-Hispanic Two or more races (1.57%)

Non-Hispanic Black or African American Alone (0.97%)

Population By Race in Jefferson , CO in 2011

Race	Population	Percentage
White Alone	500,405	92.57%
Asian Alone	14,897	2.76%
Two Or More Races	11,819	2.19%
Black or African American Alone	6,447	1.19%
American Indian and Alaska Native Alone	6,367	1.18%
Native Hawaiian And Pacific Islander Alone	647	0.12%

Population By Ethnicity in Jefferson , CO in 2011

Ethnicity	Population	Percentage
White Alone - Non Hispanic	430,279	79.6%
White Alone - Hispanic	70,126	12.97%
Asian Alone - Non Hispanic	14,179	2.62%
Two Or More Races - Non Hispanic	8,475	1.57%
Black or African American Alone - Non Hispanic	5,237	0.97%
American Indian and Alaska Native Alone - Hispanic	3,625	0.67%
Two Or More Races - Hispanic	3,344	0.62%
American Indian and Alaska Native Alone - Non Hispanic	2,742	0.51%
Black or African American Alone - Hispanic	1,210	0.22%
Asian Alone - Hispanic	718	0.13%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	446	0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic	201	0.04%