Mukilteo is a city located in Snohomish County Washington. With a 2020 population of 21,371, it is the 52nd largest city in Washington and the 1757th largest city in the United States . Mukilteo is currently declining at a rate of -0.16% annually but its population has increased by 5.51% since the most recent census, which recorded a population of 20,254 in 2010. Mukilteo reached it's highest population of 21,476 in 2018. Spanning over 7 miles, Mukilteo has a population density of 3,416 people per square mile.
The average household income in Mukilteo is $135,920 with a poverty rate of 3.37%. The median rental costs in recent years comes to $1,796 per month, and the median house value is $582,700. The median age in Mukilteo is 44.4 years, 44.3 years for males, and 44.4 years for females.