Population By Race and Ethnicity in Ada, ID in 2015

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2015, the 433,254 population of Ada County, Idaho comprised of 34,103 people who identified as Hispanic (7.87%), and 399,151 people who identified as Non-Hispanic (92.13%).

Race: The White Alone population was the largest racial group in Ada County, Idaho with a population of 400,315 (92.4%); Two Or More Races population was the second largest racial group with a population of 11,667 (2.69%); and Asian Alone was the third largest racial group with a population of 11,429 (2.64%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Ada County, Idaho in 2015, with a population of 370,071 (85.42%); the second largest ethnic group was White Alone - Hispanic with a population of 30,244 (6.98%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 11,128 (2.57%).

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, ID in 2015
Total Population:
Race in Ada, ID in 2015
Total Population:
Ethnicity in Ada, ID in 2015
Total Population:
Population By Race in Ada , ID in 2015
Race Population Percentage
Black or African American Alone 5,423 1.25%
White Alone 400,315 92.4%
American Indian and Alaska Native Alone 3,493 0.81%
Asian Alone 11,429 2.64%
Native Hawaiian And Pacific Islander Alone 927 0.21%
Two Or More Races 11,667 2.69%
Population By Ethnicity in Ada , ID in 2015
Ethnicity Population Percentage
Black or African American Alone - Hispanic 429 0.1%
White Alone - Hispanic 30,244 6.98%
American Indian and Alaska Native Alone - Hispanic 1,333 0.31%
Asian Alone - Hispanic 301 0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic 91 0.02%
Two Or More Races - Hispanic 1,705 0.39%
Black or African American Alone - Non Hispanic 4,994 1.15%
White Alone - Non Hispanic 370,071 85.42%
American Indian and Alaska Native Alone - Non Hispanic 2,160 0.5%
Asian Alone - Non Hispanic 11,128 2.57%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 836 0.19%
Two Or More Races - Non Hispanic 9,962 2.3%