Population By Race and Ethnicity in Ada County, ID in 2015

Updated on January 29, 2024.

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.

Data Source: US Census Bureau (Vintage).

See this for other years:

Hispanics and Non Hispanics in Ada County, ID in 2015

Total Population:433,254

Non Hispanic (92.13%)

Hispanic (7.87%)

Race in Ada County, ID in 2015

Total Population:433,254

White Alone (92.4%)

Two or more races (2.69%)

Asian Alone (2.64%)

Black or African American Alone (1.25%)

American Indian and Alaska Native Alone (0.81%)

Native Hawaiian And Pacific Islander Alone (0.21%)

Ethnicity in Ada County, ID in 2015

Total Population:433,254

Non-Hispanic White Alone (85.42%)

Hispanic White Alone (6.98%)

Non-Hispanic Asian Alone (2.57%)

Non-Hispanic Two or more races (2.3%)

All Other Ethnicities (1.58%)

Non-Hispanic Black or African American Alone (1.15%)

Population By Race in Ada , ID in 2015

Race	Population	Percentage
White Alone	400,315	92.4%
Two Or More Races	11,667	2.69%
Asian Alone	11,429	2.64%
Black or African American Alone	5,423	1.25%
American Indian and Alaska Native Alone	3,493	0.81%
Native Hawaiian And Pacific Islander Alone	927	0.21%

Population By Ethnicity in Ada , ID in 2015

Ethnicity	Population	Percentage
White Alone - Non Hispanic	370,071	85.42%
White Alone - Hispanic	30,244	6.98%
Asian Alone - Non Hispanic	11,128	2.57%
Two Or More Races - Non Hispanic	9,962	2.3%
Black or African American Alone - Non Hispanic	4,994	1.15%
American Indian and Alaska Native Alone - Non Hispanic	2,160	0.5%
Two Or More Races - Hispanic	1,705	0.39%
American Indian and Alaska Native Alone - Hispanic	1,333	0.31%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	836	0.19%
Black or African American Alone - Hispanic	429	0.1%
Asian Alone - Hispanic	301	0.07%
Native Hawaiian And Pacific Islander Alone - Hispanic	91	0.02%