Benton County Demographics

A map of Benton County's Population by Race

Benton County, Washington had a population of 206,873 in 2020. It was 65.6% White, 1.3% Black, 3.0% Asian, 23.8% Hispanic, 1.3% Native American/Other, and 4.9% Multiracial. This map presents the population of Benton County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Benton County is the 10th most populous county of the 39 counties in Washington.

Benton County's White Population

135,718 residents of Benton County identify as White, or 65.6%. This makes the White share of the population of Benton County roughly similar to the White share of the population of Washington (63.8% White). Of the 39 counties in Washington, Benton County is ranked #30 in terms of White residents as a share of the population.

Benton County is more White than neighboring Franklin County (38.5% White), Morrow County (54.2% White), Grant County (50.7% White), and Umatilla County (62.1% White). Benton County is less White than neighboring Walla Walla County (68% White).

Benton County's Black Population

2,621 residents of Benton County identify as Black, or 1.3%. This makes the Black share of the population of Benton County roughly similar to the Black share of the population of Washington (3.8% Black). Of the 39 counties in Washington, Benton County is ranked #13 in terms of Black residents as a share of the population.

Benton County is more Black than neighboring Morrow County (0.3% Black), Grant County (0.7% Black), and Umatilla County (0.8% Black). Benton County is less Black than neighboring Franklin County (1.7% Black), and Walla Walla County (1.6% Black).

Benton County's Asian Population

6,244 residents of Benton County identify as Asian, or 3.0%. This makes the Asian share of the population of Benton County slightly less than the Asian share of the population of Washington (9.4% Asian). Of the 39 counties in Washington, Benton County is ranked #10 in terms of Asian residents as a share of the population.

Benton County is more Asian than neighboring Franklin County (1.9% Asian), Morrow County (0.2% Asian), Grant County (1.2% Asian), Umatilla County (0.9% Asian), and Walla Walla County (1.5% Asian).

Benton County's Hispanic Population

49,339 residents of Benton County identify as Hispanic, or 23.8%. This makes the Hispanic share of the population of Benton County slightly larger than the Hispanic share of the population of Washington (13.7% Hispanic). Of the 39 counties in Washington, Benton County is ranked #7 in terms of Hispanic residents as a share of the population.

Benton County is more Hispanic than neighboring Walla Walla County (22.7% Hispanic). Benton County is less Hispanic than neighboring Franklin County (54.2% Hispanic), Morrow County (40.9% Hispanic), Grant County (42.8% Hispanic), and Umatilla County (28.3% Hispanic).

Benton County's Native American/Other Population

2,776 residents of Benton County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.3%. This makes the Native American/Other share of the population of Benton County roughly similar to the Native American/Other share of the population of Washington (2.6% Native American/Other). Of the 39 counties in Washington, Benton County is ranked #32 in terms of Native American/Other residents as a share of the population.

Benton County is more Native American/Other than neighboring Franklin County (1% Native American/Other), and Morrow County (1.1% Native American/Other). Benton County is less Native American/Other than neighboring Umatilla County (3.7% Native American/Other).

Benton County's Multiracial Population

10,175 residents of Benton County identify as Multiracial, or 4.9%. This makes the Multiracial share of the population of Benton County roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 39 counties in Washington, Benton County is ranked #30 in terms of Multiracial residents as a share of the population.

Benton County is more Multiracial than neighboring Franklin County (2.8% Multiracial), Morrow County (3.3% Multiracial), Grant County (3.4% Multiracial), and Umatilla County (4.2% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.