Rocklin is a city located in California. With a 2020 population of 72,339, it is the 122nd largest city in California and the 506th largest city in the United States. Rocklin is currently growing at a rate of 2.49% annually and its population has increased by 26.97% since the most recent census, which recorded a population of 56,974 in 2010. Rocklin reached it's highest population of 72,339 in 2021. Spanning over 20 miles, Rocklin has a population density of 3,652 people per square mile.
The average household income in Rocklin is $117,257 with a poverty rate of 5.63%. The median rental costs in recent years comes to $1,675 per month, and the median house value is $481,900. The median age in Rocklin is 37.5 years, 35.2 years for males, and 39.6 years for females. For every 100 females there are 94.0 males.