Thousand Oaks is a city located in California. With a 2020 population of 125,881, it is the 48th largest city in California and the 223rd largest city in the United States. Thousand Oaks is currently declining at a rate of -0.37% annually and its population has decreased by -0.63% since the most recent census, which recorded a population of 126,683 in 2010. Thousand Oaks reached it's highest population of 128,636 in 2014. Spanning over 55 miles, Thousand Oaks has a population density of 2,278 people per square mile.
The average household income in Thousand Oaks is $145,052 with a poverty rate of 5.18%. The median rental costs in recent years comes to $2,101 per month, and the median house value is $726,100. The median age in Thousand Oaks is 44.2 years, 41.9 years for males, and 45.7 years for females. For every 100 females there are 96.1 males.