Wasco County Demographics

A map of Wasco County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	18,810	18,703	70.8%	70.1%
Hispanic	5,470	5,017	20.6%	18.8%
Multiracial	1,371	1,309	5.2%	4.9%
Native American/Other	602	1,278	2.3%	4.8%
Asian	185	248	0.7%	0.9%
Black	114	115	0.4%	0.4%

Wasco County, Oregon has an estimated population of 26,552, a less than 1% change from the 26,670 recorded in the 2020 Census. The population is 70.8% White, 20.6% Hispanic, 5.2% Multiracial, 2.3% Native American/Other, 0.7% Asian, and 0.4% Black. This demographic dot map shows the population of Wasco County, with one dot drawn for each person counted by the Census, color-coded by race.

Wasco has become less racially diverse since the 2020 Census. It is less diverse than Oregon overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Wasco County, that probability was 46.8% in 2020 and 45.3% in the most recent ACS estimates.

Wasco County is ranked the 22nd most populous county in Oregon, out of 36 counties. Wasco County was ranked the 22nd most populous county in the 2020 Census.

Wasco County's White Population

18,810 residents of Wasco County, or 70.8% of the population, identify as White. The share of White residents in Wasco County is comparable to the share in Oregon overall, where 71.4% of the population is White. Wasco County ranks 28th statewide in terms of White residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's White population has remained roughly the same. White residents' share of Wasco County's population has increased from 70.1% to 70.8%.

Wasco County is more White than neighboring Jefferson County (57.3% White), and Hood River County (61.8% White). Wasco County is less White than neighboring Sherman County (85.4% White), Klickitat County (78.8% White), and Gilliam County (80% White).

Wasco County's Black Population

114 residents of Wasco County, or 0.4% of the population, identify as Black. The share of Black residents in Wasco County is comparable to the share in Oregon overall, where 1.8% of the population is Black. Wasco County ranks 19th statewide in terms of Black residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's Black population has remained roughly the same. Black residents' share of Wasco County's population has remained roughly unchanged at 0.4%.

Wasco County is more Black than neighboring Klickitat County (0.3% Black), and Gilliam County (0% Black). Wasco County is less Black than neighboring Jefferson County (0.6% Black), Sherman County (0.5% Black), and Hood River County (0.8% Black).

Wasco County's Asian Population

185 residents of Wasco County, or 0.7% of the population, identify as Asian. The share of Asian residents in Wasco County is slightly lower than in Oregon overall, where 4.4% of the population is Asian. Wasco County ranks 22nd statewide in terms of Asian residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's Asian population has declined by an estimated 25.4%. Asian residents' share of Wasco County's population has remained roughly unchanged at 0.7%.

Wasco County is more Asian than neighboring Jefferson County (0.5% Asian), Sherman County (0.3% Asian), and Gilliam County (0% Asian). Wasco County is less Asian than neighboring Hood River County (0.8% Asian), and Klickitat County (0.8% Asian).

Wasco County's Hispanic Population

5,470 residents of Wasco County, or 20.6% of the population, identify as Hispanic. The share of Hispanic residents in Wasco County is higher than in Oregon overall, where 14.7% of the population is Hispanic. Wasco County ranks 7th statewide in terms of Hispanic residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's Hispanic population has grown by an estimated 9.0%. Hispanic residents' share of Wasco County's population has increased from 18.8% to 20.6%.

Wasco County is more Hispanic than neighboring Sherman County (4.4% Hispanic), Klickitat County (13.2% Hispanic), and Gilliam County (9.4% Hispanic). Wasco County is less Hispanic than neighboring Jefferson County (21.3% Hispanic), and Hood River County (30.6% Hispanic).

Wasco County's Native American/Other Population

602 residents of Wasco County, or 2.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Wasco County is comparable to the share in Oregon overall, where 1.6% of the population is Native American/Other. Wasco County ranks 2nd statewide in terms of Native American/Other residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's Native American/Other population has declined by an estimated 52.9%. Native American/Other residents' share of Wasco County's population has decreased from 4.8% to 2.3%.

Wasco County is more Native American/Other than neighboring Sherman County (0.7% Native American/Other), Hood River County (1.2% Native American/Other), and Klickitat County (2.2% Native American/Other). Wasco County is less Native American/Other than neighboring Jefferson County (12% Native American/Other), and Gilliam County (2.7% Native American/Other).

Wasco County's Multiracial Population

1,371 residents of Wasco County, or 5.2% of the population, identify as Multiracial. The share of Multiracial residents in Wasco County is comparable to the share in Oregon overall, where 6.1% of the population is Multiracial. Wasco County ranks 29th statewide in terms of Multiracial residents as a share of the population, out of 36 counties.

Since the 2020 Census, Wasco County's Multiracial population has grown by an estimated 4.7%. Multiracial residents' share of Wasco County's population has remained roughly unchanged at 5.2%.

Wasco County is more Multiracial than neighboring Hood River County (4.8% Multiracial), and Klickitat County (4.7% Multiracial). Wasco County is less Multiracial than neighboring Jefferson County (8.3% Multiracial), Sherman County (8.8% Multiracial), and Gilliam County (7.9% 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.