Issaquah, WA Demographics

A map of Issaquah's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	22,070	23,273	55.7%	58.1%
Asian	10,538	10,342	26.6%	25.8%
Multiracial	3,197	2,463	8.1%	6.1%
Hispanic	2,244	2,852	5.7%	7.1%
Black	887	766	2.2%	1.9%
Native American/Other	655	355	1.7%	0.9%

Issaquah, Washington has an estimated population of 39,591, a slight decrease from the 40,051 recorded in the 2020 Census. The population is 55.7% White, 26.6% Asian, 8.1% Multiracial, 5.7% Hispanic, 2.2% Black, and 1.7% Native American/Other. This demographic dot map shows the population of Issaquah, with one dot drawn for each person counted by the Census, color-coded by race.

Issaquah has become more racially diverse since the 2020 Census. It is 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 Issaquah, that probability was 58.6% in 2020 and 60.8% in the most recent ACS estimates.

Issaquah is ranked the 33rd 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). Issaquah was ranked the 31st most populous place in the 2020 Census.

Issaquah's White Population

22,070 residents of Issaquah, or 55.7% of the population, identify as White. The share of White residents in Issaquah is lower than in Washington overall, where 63.1% of the population is White. Issaquah ranks 525th statewide in terms of White residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's White population has declined by an estimated 5.2%. White residents' share of Issaquah's population has decreased from 58.1% to 55.7%.

Issaquah is more White than neighboring Sammamish (49.2% White), and Newcastle (37.6% White). Issaquah is less White than neighboring East Renton Highlands (67.2% White), Mirrormont (79.8% White), and Maple Heights-Lake Desire (62.6% White).

Issaquah's Black Population

887 residents of Issaquah, or 2.2% of the population, identify as Black. The share of Black residents in Issaquah is comparable to the share in Washington overall, where 3.8% of the population is Black. Issaquah ranks 125th statewide in terms of Black residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's Black population has grown by an estimated 15.8%. Black residents' share of Issaquah's population has remained roughly unchanged at 2.2%.

Issaquah is more Black than neighboring Sammamish (1.3% Black), East Renton Highlands (1% Black), and Mirrormont (1.1% Black). Issaquah is less Black than neighboring Maple Heights-Lake Desire (3.4% Black), and Newcastle (3.5% Black).

Issaquah's Asian Population

10,538 residents of Issaquah, or 26.6% of the population, identify as Asian. The share of Asian residents in Issaquah is significantly higher than in Washington overall, where 9.7% of the population is Asian. Issaquah ranks 14th statewide in terms of Asian residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's Asian population has grown by an estimated 1.9%. Asian residents' share of Issaquah's population has increased from 25.8% to 26.6%.

Issaquah is more Asian than neighboring East Renton Highlands (8% Asian), Mirrormont (5.9% Asian), and Maple Heights-Lake Desire (14.4% Asian). Issaquah is less Asian than neighboring Sammamish (37.1% Asian), and Newcastle (42.1% Asian).

Issaquah's Hispanic Population

2,244 residents of Issaquah, or 5.7% of the population, identify as Hispanic. The share of Hispanic residents in Issaquah is lower than in Washington overall, where 14.4% of the population is Hispanic. Issaquah ranks 346th statewide in terms of Hispanic residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's Hispanic population has declined by an estimated 21.3%. Hispanic residents' share of Issaquah's population has decreased from 7.1% to 5.7%.

Issaquah is more Hispanic than neighboring Sammamish (5.6% Hispanic), and Newcastle (4.5% Hispanic). Issaquah is less Hispanic than neighboring East Renton Highlands (11.1% Hispanic), Mirrormont (6.2% Hispanic), and Maple Heights-Lake Desire (10.2% Hispanic).

Issaquah's Native American/Other Population

655 residents of Issaquah, or 1.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Issaquah is comparable to the share in Washington overall, where 2.1% of the population is Native American/Other. Issaquah ranks 546th statewide in terms of Native American/Other residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's Native American/Other population has grown by an estimated 84.5%. Native American/Other residents' share of Issaquah's population has increased from 0.9% to 1.7%.

Issaquah is more Native American/Other than neighboring Sammamish (0.8% Native American/Other), East Renton Highlands (0.9% Native American/Other), Mirrormont (0% Native American/Other), and Maple Heights-Lake Desire (0.5% Native American/Other). Issaquah is less Native American/Other than neighboring Newcastle (3% Native American/Other).

Issaquah's Multiracial Population

3,197 residents of Issaquah, or 8.1% of the population, identify as Multiracial. The share of Multiracial residents in Issaquah is comparable to the share in Washington overall, where 6.8% of the population is Multiracial. Issaquah ranks 340th statewide in terms of Multiracial residents as a share of the population, out of 639 places.

Since the 2020 Census, Issaquah's Multiracial population has grown by an estimated 29.8%. Multiracial residents' share of Issaquah's population has increased from 6.1% to 8.1%.

Issaquah is more Multiracial than neighboring Sammamish (5.9% Multiracial), and Mirrormont (6.9% Multiracial). Issaquah is less Multiracial than neighboring East Renton Highlands (11.8% Multiracial), Maple Heights-Lake Desire (8.9% Multiracial), and Newcastle (9.3% 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.