Rosemont is a city located in California. Rosemont has a 2020 population of 23,602. Rosemont is currently declining at a rate of 0.00% annually and its population has increased by 4.06% since the most recent census, which recorded a population of 22,681 in 2010. Rosemont reached it's highest population of 23,700 in 2017.
The average household income in Rosemont is $81,885 with a poverty rate of 14.65%. The median rental costs in recent years comes to $1,365 per month, and the median house value is $293,400. The median age in Rosemont is 35.5 years, 33.9 years for males, and 37.3 years for females. For every 100 females there are 94.8 males.