Walla Walla County Demographics

A map of Walla Walla County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	42,088	42,580	67.7%	68.0%
Hispanic	14,816	14,206	23.8%	22.7%
Multiracial	2,529	3,067	4.1%	4.9%
Asian	1,111	918	1.8%	1.5%
Black	994	981	1.6%	1.6%
Native American/Other	623	832	1.0%	1.3%

Walla Walla County, Washington has an estimated population of 62,161, a less than 1% change from the 62,584 recorded in the 2020 Census. The population is 67.7% White, 23.8% Hispanic, 4.1% Multiracial, 1.8% Asian, 1.6% Black, and 1.0% Native American/Other. This demographic dot map shows the population of Walla Walla County, with one dot drawn for each person counted by the Census, color-coded by race.

Walla Walla is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Washington overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Walla Walla County, that probability was 48.3% in 2020 and 48.2% in the most recent ACS estimates.

Walla Walla County is ranked the 21st most populous county in Washington, out of 39 counties. Walla Walla County was ranked the 21st most populous county in the 2020 Census.

Walla Walla County's White Population

42,088 residents of Walla Walla County, or 67.7% of the population, identify as White. The share of White residents in Walla Walla County is slightly higher than in Washington overall, where 63.1% of the population is White. Walla Walla County ranks 28th statewide in terms of White residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's White population has declined by an estimated 1.2%. White residents' share of Walla Walla County's population has remained roughly unchanged at 67.7%.

Walla Walla County is more White than neighboring Franklin County (37.1% White), Umatilla County (61.5% White), and Adams County (31.1% White). Walla Walla County is less White than neighboring Columbia County (81.2% White), and Garfield County (86.4% White).

Walla Walla County's Black Population

994 residents of Walla Walla County, or 1.6% of the population, identify as Black. The share of Black residents in Walla Walla County is slightly lower than in Washington overall, where 3.8% of the population is Black. Walla Walla County ranks 11th statewide in terms of Black residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's Black population has grown by an estimated 1.3%. Black residents' share of Walla Walla County's population has remained roughly unchanged at 1.6%.

Walla Walla County is more Black than neighboring Columbia County (0.5% Black), Umatilla County (0.7% Black), Adams County (0.2% Black), and Garfield County (0.8% Black). Walla Walla County is less Black than neighboring Franklin County (1.9% Black).

Walla Walla County's Asian Population

1,111 residents of Walla Walla County, or 1.8% of the population, identify as Asian. The share of Asian residents in Walla Walla County is lower than in Washington overall, where 9.7% of the population is Asian. Walla Walla County ranks 19th statewide in terms of Asian residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's Asian population has grown by an estimated 21.0%. Asian residents' share of Walla Walla County's population has remained roughly unchanged at 1.8%.

Walla Walla County is more Asian than neighboring Franklin County (1.7% Asian), Umatilla County (0.7% Asian), and Adams County (0.6% Asian). Walla Walla County is less Asian than neighboring Columbia County (1.9% Asian), and Garfield County (2.1% Asian).

Walla Walla County's Hispanic Population

14,816 residents of Walla Walla County, or 23.8% of the population, identify as Hispanic. The share of Hispanic residents in Walla Walla County is higher than in Washington overall, where 14.4% of the population is Hispanic. Walla Walla County ranks 8th statewide in terms of Hispanic residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's Hispanic population has grown by an estimated 4.3%. Hispanic residents' share of Walla Walla County's population has increased from 22.7% to 23.8%.

Walla Walla County is more Hispanic than neighboring Columbia County (8.3% Hispanic), and Garfield County (5% Hispanic). Walla Walla County is less Hispanic than neighboring Franklin County (55.3% Hispanic), Umatilla County (29.7% Hispanic), and Adams County (64.5% Hispanic).

Walla Walla County's Native American/Other Population

623 residents of Walla Walla County, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Walla Walla County is comparable to the share in Washington overall, where 2.1% of the population is Native American/Other. Walla Walla County ranks 35th statewide in terms of Native American/Other residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's Native American/Other population has declined by an estimated 25.1%. Native American/Other residents' share of Walla Walla County's population has remained roughly unchanged at 1.0%.

Walla Walla County is more Native American/Other than neighboring Franklin County (0.9% Native American/Other), Columbia County (0.5% Native American/Other), and Garfield County (0% Native American/Other). Walla Walla County is less Native American/Other than neighboring Umatilla County (2.6% Native American/Other).

Walla Walla County's Multiracial Population

2,529 residents of Walla Walla County, or 4.1% of the population, identify as Multiracial. The share of Multiracial residents in Walla Walla County is slightly lower than in Washington overall, where 6.8% of the population is Multiracial. Walla Walla County ranks 31st statewide in terms of Multiracial residents as a share of the population, out of 39 counties.

Since the 2020 Census, Walla Walla County's Multiracial population has declined by an estimated 17.5%. Multiracial residents' share of Walla Walla County's population has decreased from 4.9% to 4.1%.

Walla Walla County is more Multiracial than neighboring Franklin County (3.1% Multiracial), and Adams County (2.6% Multiracial). Walla Walla County is less Multiracial than neighboring Columbia County (7.5% Multiracial), Umatilla County (4.8% Multiracial), and Garfield County (5.7% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.