Tukwila is a city located in Washington. With a 2020 population of 20,593, it is the 58th largest city in Washington and the 1810th largest city in the United States. Tukwila is currently growing at a rate of 0.60% annually and its population has increased by 7.78% since the most recent census, which recorded a population of 19,107 in 2010. Tukwila reached it's highest population of 20,593 in 2021. Spanning over 10 miles, Tukwila has a population density of 2,242 people per square mile.
The average household income in Tukwila is $87,815 with a poverty rate of 17.18%. The median rental costs in recent years comes to $1,282 per month, and the median house value is $315,000. The median age in Tukwila is 35 years, 34.9 years for males, and 35.1 years for females. For every 100 females there are 106.6 males.