Medical Lake is a city located in Washington. With a 2020 population of 5,004, it is the 122nd largest city in Washington and the 4744th largest city in the United States. Medical Lake is currently growing at a rate of 0.52% annually but its population has decreased by -1.11% since the most recent census, which recorded a population of 5,060 in 2010. Medical Lake reached it's highest population of 5,060 in 2010. Spanning over 4 miles, Medical Lake has a population density of 1,485 people per square mile.
The average household income in Medical Lake is $70,278 with a poverty rate of 11.60%. The median rental costs in recent years comes to $673 per month, and the median house value is $193,800. The median age in Medical Lake is 31.2 years, 31.4 years for males, and 30.3 years for females. For every 100 females there are 90.5 males.