Sierra Madre is a city located in Los Angeles County California. With a 2020 population of 10,621, it is the 370th largest city in California and the 2972nd largest city in the United States . Sierra Madre is currently declining at a rate of -0.80% annually and its population has decreased by -2.71% since the most recent census, which recorded a population of 10,917 in 2010. Sierra Madre reached it's highest population of 12,140 in 1970. Spanning over 3 miles, Sierra Madre has a population density of 3,597 people per square mile.
The average household income in Sierra Madre is $140,463 with a poverty rate of 6.28%. The median rental costs in recent years comes to $1,615 per month, and the median house value is $969,700. The median age in Sierra Madre is 49 years, 48.7 years for males, and 49.4 years for females.