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.