El Cajon is a city located in California. With a 2020 population of 103,113, it is the 73rd largest city in California and the 307th largest city in the United States. El Cajon is currently declining at a rate of -0.06% annually but its population has increased by 3.65% since the most recent census, which recorded a population of 99,478 in 2010. El Cajon reached it's highest population of 103,573 in 2016. Spanning over 15 miles, El Cajon has a population density of 7,105 people per square mile.
The average household income in El Cajon is $69,918 with a poverty rate of 21.70%. The median rental costs in recent years comes to $1,277 per month, and the median house value is $430,700. The median age in El Cajon is 34 years, 32.5 years for males, and 35.7 years for females. For every 100 females there are 102.7 males.