Birch Bay, WA Demographics
A map of Birch Bay's Population by Race
Birch Bay, Washington has an estimated population of 10,837, an increase from the 10,115 recorded in the 2020 Census. The population is 77.4% White, 9.0% Multiracial, 8.1% Hispanic, 2.2% Black, 2.1% Asian, and 1.2% Native American/Other. This demographic dot map shows the population of Birch Bay, with one dot drawn for each person counted by the Census, color-coded by race.
Birch Bay has become more racially diverse since 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 Birch Bay, that probability was 37.2% in 2020 and 38.5% in the most recent ACS estimates.
Birch Bay is ranked the 123rd 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). Birch Bay was ranked the 130th most populous place in the 2020 Census.
Birch Bay's White Population
8,388 residents of Birch Bay, or 77.4% of the population, identify as White. The share of White residents in Birch Bay is considerably higher than in Washington overall, where 63.1% of the population is White. Birch Bay ranks 324th statewide in terms of White residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's White population has grown by an estimated 5.7%. White residents' share of Birch Bay's population has decreased from 78.4% to 77.4%.
Birch Bay is more White than neighboring Blaine (73.6% White), Ferndale (70% White), and Marietta-Alderwood (76.8% White). Birch Bay is less White than neighboring Custer (79% White), and Point Roberts (81.1% White).
Birch Bay's Black Population
240 residents of Birch Bay, or 2.2% of the population, identify as Black. The share of Black residents in Birch Bay is comparable to the share in Washington overall, where 3.8% of the population is Black. Birch Bay ranks 197th statewide in terms of Black residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's Black population has grown by an estimated 116.2%. Black residents' share of Birch Bay's population has increased from 1.1% to 2.2%.
Birch Bay is more Black than neighboring Custer (0% Black), Ferndale (0.6% Black), Marietta-Alderwood (0.2% Black), and Point Roberts (0% Black). Birch Bay is less Black than neighboring Blaine (2.3% Black).
Birch Bay's Asian Population
228 residents of Birch Bay, or 2.1% of the population, identify as Asian. The share of Asian residents in Birch Bay is lower than in Washington overall, where 9.7% of the population is Asian. Birch Bay ranks 152nd statewide in terms of Asian residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's Asian population has declined by an estimated 33.7%. Asian residents' share of Birch Bay's population has decreased from 3.4% to 2.1%.
Birch Bay is less Asian than neighboring Blaine (4.6% Asian), Custer (7.8% Asian), Ferndale (8.4% Asian), Marietta-Alderwood (6.7% Asian), and Point Roberts (7.5% Asian).
Birch Bay's Hispanic Population
877 residents of Birch Bay, or 8.1% of the population, identify as Hispanic. The share of Hispanic residents in Birch Bay is lower than in Washington overall, where 14.4% of the population is Hispanic. Birch Bay ranks 286th statewide in terms of Hispanic residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's Hispanic population has grown by an estimated 3.8%. Hispanic residents' share of Birch Bay's population has remained roughly unchanged at 8.1%.
Birch Bay is more Hispanic than neighboring Marietta-Alderwood (2.9% Hispanic), and Point Roberts (4.6% Hispanic). Birch Bay is less Hispanic than neighboring Blaine (9.9% Hispanic), Custer (9.2% Hispanic), and Ferndale (12.6% Hispanic).
Birch Bay's Native American/Other Population
130 residents of Birch Bay, or 1.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Birch Bay is comparable to the share in Washington overall, where 2.1% of the population is Native American/Other. Birch Bay ranks 223rd statewide in terms of Native American/Other residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's Native American/Other population has declined by an estimated 45.6%. Native American/Other residents' share of Birch Bay's population has decreased from 2.4% to 1.2%.
Birch Bay is more Native American/Other than neighboring Custer (0% Native American/Other). Birch Bay is less Native American/Other than neighboring Blaine (3.8% Native American/Other), Ferndale (1.9% Native American/Other), Marietta-Alderwood (2% Native American/Other), and Point Roberts (1.3% Native American/Other).
Birch Bay's Multiracial Population
974 residents of Birch Bay, or 9.0% of the population, identify as Multiracial. The share of Multiracial residents in Birch Bay is slightly higher than in Washington overall, where 6.8% of the population is Multiracial. Birch Bay ranks 307th statewide in terms of Multiracial residents as a share of the population, out of 639 places.
Since the 2020 Census, Birch Bay's Multiracial population has grown by an estimated 51.2%. Multiracial residents' share of Birch Bay's population has increased from 6.4% to 9.0%.
Birch Bay is more Multiracial than neighboring Blaine (5.8% Multiracial), Custer (4% Multiracial), Ferndale (6.6% Multiracial), and Point Roberts (5.5% Multiracial). Birch Bay is less Multiracial than neighboring Marietta-Alderwood (11.5% 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.