Mercer Island, WA Demographics

A map of Mercer Island's Population by Race

Mercer Island, Washington had a population of 25,748 in 2020. It was 63.6% White, 1.1% Black, 22.9% Asian, 4.6% Hispanic, 0.9% Native American/Other, and 6.9% Multiracial. This map presents the population of Mercer Island, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 639 places in Washington, Mercer Island is the 48th most populous. 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).

Mercer Island's White Population

16,383 residents of Mercer Island identify as White, or 63.6%. This makes the White share of the population of Mercer Island roughly similar to the White share of the population of Washington (63.8% White). Of the 639 places in Washington, Mercer Island is ranked #486 in terms of White residents as a share of the population.

Mercer Island is more White than neighboring Medina (62.4% White), Clyde Hill (59.3% White), Bryn Mawr-Skyway (25.5% White), and Newcastle (48.5% White). Mercer Island is less White than neighboring Beaux Arts Village (85.8% White).

Mercer Island's Black Population

275 residents of Mercer Island identify as Black, or 1.1%. This makes the Black share of the population of Mercer Island roughly similar to the Black share of the population of Washington (3.8% Black). Of the 639 places in Washington, Mercer Island is ranked #189 in terms of Black residents as a share of the population.

Mercer Island is more Black than neighboring Beaux Arts Village (0.3% Black), Medina (0.4% Black), and Clyde Hill (0% Black). Mercer Island is less Black than neighboring Bryn Mawr-Skyway (27.1% Black), and Newcastle (3.4% Black).

Mercer Island's Asian Population

5,908 residents of Mercer Island identify as Asian, or 22.9%. This makes the Asian share of the population of Mercer Island larger than the Asian share of the population of Washington (9.4% Asian). Of the 639 places in Washington, Mercer Island is ranked #18 in terms of Asian residents as a share of the population.

Mercer Island is more Asian than neighboring Beaux Arts Village (6.6% Asian). Mercer Island is less Asian than neighboring Medina (29.1% Asian), Clyde Hill (32.6% Asian), Bryn Mawr-Skyway (28.1% Asian), and Newcastle (34.7% Asian).

Mercer Island's Hispanic Population

1,175 residents of Mercer Island identify as Hispanic, or 4.6%. This makes the Hispanic share of the population of Mercer Island slightly less than the Hispanic share of the population of Washington (13.7% Hispanic). Of the 639 places in Washington, Mercer Island is ranked #507 in terms of Hispanic residents as a share of the population.

Mercer Island is more Hispanic than neighboring Beaux Arts Village (2.8% Hispanic), Medina (3.2% Hispanic), and Clyde Hill (3% Hispanic). Mercer Island is less Hispanic than neighboring Bryn Mawr-Skyway (9.9% Hispanic), and Newcastle (5.7% Hispanic).

Mercer Island's Native American/Other Population

236 residents of Mercer Island identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.9%. This makes the Native American/Other share of the population of Mercer Island roughly similar to the Native American/Other share of the population of Washington (2.6% Native American/Other). Of the 639 places in Washington, Mercer Island is ranked #531 in terms of Native American/Other residents as a share of the population.

Mercer Island is more Native American/Other than neighboring Beaux Arts Village (0% Native American/Other), Medina (0.5% Native American/Other), and Clyde Hill (0.4% Native American/Other). Mercer Island is less Native American/Other than neighboring Bryn Mawr-Skyway (2.1% Native American/Other).

Mercer Island's Multiracial Population

1,771 residents of Mercer Island identify as Multiracial, or 6.9%. This makes the Multiracial share of the population of Mercer Island roughly similar to the Multiracial share of the population of Washington (6.6% Multiracial). Of the 639 places in Washington, Mercer Island is ranked #223 in terms of Multiracial residents as a share of the population.

Mercer Island is more Multiracial than neighboring Beaux Arts Village (4.4% Multiracial), Medina (4.4% Multiracial), and Clyde Hill (4.6% Multiracial). Mercer Island is less Multiracial than neighboring Bryn Mawr-Skyway (7.3% Multiracial).

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