State
County
Land Area
12.1 sq mi
Density
3,303.40/sq mi
2020 Growth Rate
0.70%
Growth Since 2010
31.66%
Rank in State
Rank in Country
Issaquah is a city located in Washington. With a 2020 population of 40,069, it is the 31st largest city in Washington and the 980th largest city in the United States. Issaquah is currently growing at a rate of 0.70% annually and its population has increased by 31.66% since the most recent census, which recorded a population of 30,434 in 2010. Issaquah reached it's highest population of 40,069 in 2021. Spanning over 13 miles, Issaquah has a population density of 3,303 people per square mile.
The average household income in Issaquah is $137,332 with a poverty rate of 7.77%. The median rental costs in recent years comes to $1,982 per month, and the median house value is $642,300. The median age in Issaquah is 37.6 years, 37 years for males, and 38.6 years for females. For every 100 females there are 91.5 males.
According to the most recent ACS, the racial composition of Issaquah was:
| Race | Population | Percentage |
|---|---|---|
| White | 24,940 | 65.69% |
| Asian | 8,790 | 23.15% |
| Two or More Races | 2,016 | 5.31% |
| Some Other Race | 1,376 | 3.62% |
| Black or African American | 800 | 2.11% |
| American Indian and Alaska Native | 43 | 0.11% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 15,525 | 2.43 | 61.1 |
| Married | 8,319 | 3.01 | 71.3 |
| Non Family | 5,234 | 1.29 | 51.9 |
| Female | 1,442 | 3 | 38.4 |
| Male | 530 | 2.99 | 52.6 |
2.96
Average Family Size
2.43
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 716 | 2.64% |
| 9th to 12th Grade | 470 | 1.73% |
| High School Graduate | 2,541 | 9.36% |
| Some College | 4,174 | 15.38% |
| Associates Degree | 1,637 | 6.03% |
| Bachelors Degree | 10,380 | 38.24% |
| Graduate Degree | 7,227 | 26.62% |
| Name | Total | High School | Bachelors |
|---|---|---|---|
| White | 17,583 | 17,232 | 11,120 |
| Asian | 6,512 | 6,346 | 5,009 |
| Hispanic | 1,858 | 1,220 | 728 |
| Other Race | 862 | 418 | 207 |
| Multiple Races | 653 | 605 | 506 |
| Black | 588 | 588 | 295 |
| Native American | 7 |
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among multiple races people with a rate of 77.49%.
$66,104
Average Earnings
$96,286
Average Male
$47,734
Average Female
69.49% of Issaquah residents speak only English, while 30.51% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 13.53% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| Hispanic | 3,409 | 1,092 | 32.03% |
| White | 23,070 | 986 | 4.27% |
| Asian | 8,759 | 757 | 8.64% |
| Other | 1,376 | 562 | 40.84% |
| Multiple | 2,010 | 93 | 4.63% |
7.77%
Overall Poverty Rate
6.79%
Male Poverty Rate
8.68%
Female Poverty Rate
The race most likely to be in poverty in Issaquah is Other, with 40.84% below the poverty level.
The race least likely to be in poverty in Issaquah is White, with 4.27% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.08%. Among those working part-time, it was 9.17%, and for those that did not work, the poverty rate was 14.22%.
58.9%
Overall Marriage Rate
62.7%
Male Marriage Rate
55.4%
Female Marriage Rate
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,502 | 7.60% |
| 2 or More | 104 | 13.52% |
| Asian | 73 | 1.07% |
| Hispanic | 65 | 3.07% |
| Other | 24 | 2.39% |
1.79%
Veteran Poverty Rate
27.20%
Veteran Disability Rate
71.5%
Labor Force Participation
68.6%
Employment Rate
4%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
73.75%
Native Born
26.25%
Foreign Born
14.25%
Non Citizen
11.99%
Naturalized
73.75% of Issaquah residents were born in the United States, with 35.17% having been born in Washington. 14.25% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 40,069 | 280 | 0.70% |
| 2020 | 39,789 | 280 | 0.71% |
| 2019 | 39,509 | 280 | 0.71% |
| 2018 | 39,229 | 1,533 | 4.07% |
| 2017 | 37,696 | 338 | 0.90% |
| 2016 | 37,358 | 1,327 | 3.68% |
| 2015 | 36,031 | 2,029 | 5.97% |
| 2014 | 34,002 | 533 | 1.59% |
| 2013 | 33,469 | 862 | 2.64% |
| 2012 | 32,607 | 674 | 2.11% |
| 2011 | 31,933 | 1,378 | 4.51% |
| 2010 | 30,555 | 19,343 | 10.55% |
| 2000 | 11,212 | 3,426 | 3.71% |
| 1990 | 7,786 | 2,250 | 3.47% |
| 1980 | 5,536 | 1,223 | 2.53% |
| 1970 | 4,313 | 0.00% |