Alum Rock is a city located in California. Alum Rock has a 2020 population of 11,551. Alum Rock is currently declining at a rate of 0.00% annually and its population has decreased by -25.65% since the most recent census, which recorded a population of 15,536 in 2010. Alum Rock reached it's highest population of 15,536 in 2010.
The average household income in Alum Rock is $105,492 with a poverty rate of 11.54%. The median rental costs in recent years comes to $1,832 per month, and the median house value is $633,800. The median age in Alum Rock is 32.9 years, 31.7 years for males, and 34.6 years for females. For every 100 females there are 110.9 males.