Willowbrook is a city located in California. Willowbrook has a 2020 population of 22,811. Willowbrook is currently declining at a rate of 0.00% annually and its population has decreased by -36.61% since the most recent census, which recorded a population of 35,983 in 2010. Willowbrook reached it's highest population of 35,983 in 2010.
The average household income in Willowbrook is $55,593 with a poverty rate of 22.31%. The median rental costs in recent years comes to $1,239 per month, and the median house value is $340,200. The median age in Willowbrook is 27.5 years, 26.7 years for males, and 28.2 years for females. For every 100 females there are 103.9 males.