Coulee Dam, WA Demographics
A map of Coulee Dam's Population by Race
Coulee Dam, Washington has an estimated population of 1,595, a dramatic increase from the 1,211 recorded in the 2020 Census. The population is 47.2% White, 34.7% Native American/Other, 11.8% Multiracial, 4.3% Hispanic, 1.4% Asian, and 0.6% Black. This demographic dot map shows the population of Coulee Dam, with one dot drawn for each person counted by the Census, color-coded by race.
Coulee Dam has become more racially diverse since the 2020 Census. It is considerably more 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 Coulee Dam, that probability was 61.2% in 2020 and 64.1% in the most recent ACS estimates.
Coulee Dam is ranked the 345th most populous place in Washington, out of 639 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Coulee Dam was ranked the 375th most populous place in the 2020 Census.
Coulee Dam's White Population
753 residents of Coulee Dam, or 47.2% of the population, identify as White. The share of White residents in Coulee Dam is significantly lower than in Washington overall, where 63.1% of the population is White. Coulee Dam ranks 586th statewide in terms of White residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's White population has grown by an estimated 64.1%. White residents' share of Coulee Dam's population has increased from 37.9% to 47.2%.
Coulee Dam is more White than neighboring Elmer City (38.6% White), Nespelem (4% White), and Nespelem Community (3.4% White). Coulee Dam is less White than neighboring Grand Coulee (69.3% White), and Electric City (84.3% White).
Coulee Dam's Black Population
10 residents of Coulee Dam, or 0.6% of the population, identify as Black. The share of Black residents in Coulee Dam is slightly lower than in Washington overall, where 3.8% of the population is Black. Coulee Dam ranks 357th statewide in terms of Black residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's Black population has grown by an estimated 66.7%. Black residents' share of Coulee Dam's population has remained roughly unchanged at 0.6%.
Coulee Dam is more Black than neighboring Elmer City (0% Black), Electric City (0% Black), and Nespelem Community (0% Black). Coulee Dam is less Black than neighboring Grand Coulee (0.8% Black), and Nespelem (2% Black).
Coulee Dam's Asian Population
22 residents of Coulee Dam, or 1.4% of the population, identify as Asian. The share of Asian residents in Coulee Dam is lower than in Washington overall, where 9.7% of the population is Asian. Coulee Dam ranks 391st statewide in terms of Asian residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's Asian population has grown by an estimated 83.3%. Asian residents' share of Coulee Dam's population has remained roughly unchanged at 1.4%.
Coulee Dam is more Asian than neighboring Elmer City (0% Asian), Grand Coulee (0.3% Asian), Electric City (0% Asian), Nespelem (0% Asian), and Nespelem Community (0% Asian).
Coulee Dam's Hispanic Population
69 residents of Coulee Dam, or 4.3% of the population, identify as Hispanic. The share of Hispanic residents in Coulee Dam is considerably lower than in Washington overall, where 14.4% of the population is Hispanic. Coulee Dam ranks 494th statewide in terms of Hispanic residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's Hispanic population has grown by an estimated 16.9%. Hispanic residents' share of Coulee Dam's population has decreased from 4.9% to 4.3%.
Coulee Dam is more Hispanic than neighboring Electric City (3.2% Hispanic), and Nespelem Community (1.1% Hispanic). Coulee Dam is less Hispanic than neighboring Elmer City (4.8% Hispanic), Grand Coulee (14.9% Hispanic), and Nespelem (5.3% Hispanic).
Coulee Dam's Native American/Other Population
553 residents of Coulee Dam, or 34.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Coulee Dam is significantly higher than in Washington overall, where 2.1% of the population is Native American/Other. Coulee Dam ranks 17th statewide in terms of Native American/Other residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's Native American/Other population has declined by an estimated 6.1%. Native American/Other residents' share of Coulee Dam's population has decreased from 48.6% to 34.7%.
Coulee Dam is more Native American/Other than neighboring Grand Coulee (5.5% Native American/Other), and Electric City (6.1% Native American/Other). Coulee Dam is less Native American/Other than neighboring Elmer City (48.5% Native American/Other), Nespelem (86.8% Native American/Other), and Nespelem Community (92.7% Native American/Other).
Coulee Dam's Multiracial Population
188 residents of Coulee Dam, or 11.8% of the population, identify as Multiracial. The share of Multiracial residents in Coulee Dam is higher than in Washington overall, where 6.8% of the population is Multiracial. Coulee Dam ranks 201st statewide in terms of Multiracial residents as a share of the population, out of 639 places.
Since the 2020 Census, Coulee Dam's Multiracial population has grown by an estimated 118.6%. Multiracial residents' share of Coulee Dam's population has increased from 7.1% to 11.8%.
Coulee Dam is more Multiracial than neighboring Elmer City (8.1% Multiracial), Grand Coulee (9.2% Multiracial), Electric City (6.5% Multiracial), Nespelem (2% Multiracial), and Nespelem Community (2.8% 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.