Antioch is a city located in California. With a 2020 population of 111,350, it is the 61st largest city in California and the 271st largest city in the United States. Antioch is currently declining at a rate of -0.07% annually but its population has increased by 8.77% since the most recent census, which recorded a population of 102,372 in 2010. Antioch reached it's highest population of 111,578 in 2018. Spanning over 30 miles, Antioch has a population density of 3,794 people per square mile.
The average household income in Antioch is $92,284 with a poverty rate of 13.90%. The median rental costs in recent years comes to $1,790 per month, and the median house value is $397,400. The median age in Antioch is 36 years, 35.1 years for males, and 37 years for females. For every 100 females there are 92.7 males.