Issaquah demographics profile

Population density (sq mi)2,8639791
Median age37.437.637.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)62%56%55%
Families w/ Kids under 1853%44%43%
Speak English76%81%79%
Speak Spanish5%8%13%
Issaquah, WA has a population of 34,728 and is the 1,213th largest city in the United States. The population density is 2,863 per sq mi which is 2861% higher than the Washington average and 3060% higher than the national average. The median age in Issaquah is 37 which is approximately 1% lower than the Washington average of 38. In Issaquah, 62% of the population over 15 years of age are married, 76% speak English and 5% speak Spanish. 38% of Issaquah residents were born in Washington, 39% were born out of state, 2% were born outside of the United States and 22% were foreign born.

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Did you know?

  • The population density in Issaquah is 2861% higher than Washington.
  • The median age in Issaquah is 1% lower than Washington.
  • In Issaquah 71.33% of the population is White.
  • In Issaquah 3.34% of the population is Black or African American.
  • In Issaquah 19.41% of the population is Asian.

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Issaquah population breakdown by race

Black or African American3.34%3.63%12.63%
American Indian0.05%1.33%0.82%
Native Hawaiian0.00%0.63%0.18%
Mixed race4.53%5.34%3.06%
Other race1.34%3.92%4.75%
In Issaquah, 7.2% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Issaquah age breakdown

Marital status

Age of children in married couples

Source: The Issaquah, WA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).