Population By Race and Ethnicity in Ada County, ID in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the 401,352 population of Ada County, Idaho comprised of 29,114 people who identified as Hispanic (7.25%), and 372,238 people who identified as Non-Hispanic (92.75%).

Race: The White Alone population was the largest racial group in Ada County, Idaho with a population of 372,182 (92.73%); Asian Alone population was the second largest racial group with a population of 10,174 (2.54%); and Two Or More Races was the third largest racial group with a population of 10,159 (2.53%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Ada County, Idaho in 2011, with a population of 346,566 (86.35%); the second largest ethnic group was White Alone - Hispanic with a population of 25,616 (6.38%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 9,870 (2.46%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Ada, Idaho.

You can find similar information for other Idaho counties, and for Idaho.

See this for other years:
Hispanics and Non Hispanics in Ada County, ID in 2011
Total Population:
Race in Ada County, ID in 2011
Total Population:
Ethnicity in Ada County, ID in 2011
Total Population:
Population By Race in Ada , ID in 2011
Race Population Percentage
Black or African American Alone 4,711 1.17%
White Alone 372,182 92.73%
American Indian and Alaska Native Alone 3,285 0.82%
Asian Alone 10,174 2.54%
Native Hawaiian And Pacific Islander Alone 841 0.21%
Two Or More Races 10,159 2.53%
Population By Ethnicity in Ada , ID in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 388 0.1%
White Alone - Hispanic 25,616 6.38%
American Indian and Alaska Native Alone - Hispanic 1,184 0.3%
Asian Alone - Hispanic 304 0.08%
Native Hawaiian And Pacific Islander Alone - Hispanic 68 0.02%
Two Or More Races - Hispanic 1,554 0.39%
Black or African American Alone - Non Hispanic 4,323 1.08%
White Alone - Non Hispanic 346,566 86.35%
American Indian and Alaska Native Alone - Non Hispanic 2,101 0.52%
Asian Alone - Non Hispanic 9,870 2.46%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 773 0.19%
Two Or More Races - Non Hispanic 8,605 2.14%