Population By Race and Ethnicity in Ada County, ID in 2020

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2020, the 498,278 population of Ada County, Idaho comprised of 45,705 people who identified as Hispanic (9.17%), and 452,573 people who identified as Non-Hispanic (90.83%).

Race: The White Alone population was the largest racial group in Ada County, Idaho with a population of 457,409 (91.8%); Two Or More Races population was the second largest racial group with a population of 14,963 (3%); and Asian Alone was the third largest racial group with a population of 13,914 (2.79%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Ada County, Idaho in 2020, with a population of 416,778 (83.64%); the second largest ethnic group was White Alone - Hispanic with a population of 40,631 (8.15%); and the third largest ethnic group was Asian Alone - Non Hispanic with a population of 13,462 (2.7%).

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 2020

Total Population:498,278

Non Hispanic (90.83%)

Hispanic (9.17%)

Race in Ada County, ID in 2020

Total Population:498,278

White Alone (91.8%)

Two or more races (3%)

Asian Alone (2.79%)

Black or African American Alone (1.35%)

American Indian and Alaska Native Alone (0.84%)

Native Hawaiian And Pacific Islander Alone (0.22%)

Ethnicity in Ada County, ID in 2020

Total Population:498,278

Non-Hispanic White Alone (83.64%)

Hispanic White Alone (8.15%)

Non-Hispanic Asian Alone (2.7%)

Non-Hispanic Two or more races (2.56%)

All Other Ethnicities (1.72%)

Non-Hispanic Black or African American Alone (1.23%)

Population By Race in Ada , ID in 2020

Race	Population	Percentage
White Alone	457,409	91.8%
Two Or More Races	14,963	3%
Asian Alone	13,914	2.79%
Black or African American Alone	6,701	1.35%
American Indian and Alaska Native Alone	4,177	0.84%
Native Hawaiian And Pacific Islander Alone	1,114	0.22%

Population By Ethnicity in Ada , ID in 2020

Ethnicity	Population	Percentage
White Alone - Non Hispanic	416,778	83.64%
White Alone - Hispanic	40,631	8.15%
Asian Alone - Non Hispanic	13,462	2.7%
Two Or More Races - Non Hispanic	12,744	2.56%
Black or African American Alone - Non Hispanic	6,107	1.23%
American Indian and Alaska Native Alone - Non Hispanic	2,497	0.5%
Two Or More Races - Hispanic	2,219	0.45%
American Indian and Alaska Native Alone - Hispanic	1,680	0.34%
Native Hawaiian And Pacific Islander Alone - Non Hispanic	985	0.2%
Black or African American Alone - Hispanic	594	0.12%
Asian Alone - Hispanic	452	0.09%
Native Hawaiian And Pacific Islander Alone - Hispanic	129	0.03%