Deer Park is a city located in Washington. With a 2020 population of 4,630, it is the 128th largest city in Washington and the 4976th largest city in the United States. Deer Park is currently growing at a rate of 2.96% annually and its population has increased by 26.78% since the most recent census, which recorded a population of 3,652 in 2010. Deer Park reached it's highest population of 4,630 in 2021. Spanning over 7 miles, Deer Park has a population density of 672 people per square mile.
The average household income in Deer Park is $64,403 with a poverty rate of 12.16%. The median rental costs in recent years comes to $760 per month, and the median house value is $190,000. The median age in Deer Park is 33.8 years, 33.2 years for males, and 35.7 years for females. For every 100 females there are 89.6 males.