Simi Valley is a city located in California. With a 2020 population of 126,191, it is the 48th largest city in California and the 224th largest city in the United States. Simi Valley is currently growing at a rate of 0.13% annually and its population has increased by 1.57% since the most recent census, which recorded a population of 124,237 in 2010. Simi Valley reached it's highest population of 126,366 in 2017. Spanning over 42 miles, Simi Valley has a population density of 3,039 people per square mile.
The average household income in Simi Valley is $117,630 with a poverty rate of 6.69%. The median rental costs in recent years comes to $1,924 per month, and the median house value is $553,800. The median age in Simi Valley is 40.2 years, 39.3 years for males, and 41 years for females. For every 100 females there are 95.3 males.