Rockville is a city located in Montgomery County Maryland. It is also the county seat of Montgomery County. With a 2020 population of 68,181, it is the 3rd largest city in Maryland (after Baltimore and Frederick) and the 546th largest city in the United States . Rockville is currently growing at a rate of 0.07% annually and its population has increased by 11.39% since the most recent census, which recorded a population of 61,209 in 2010. Rockville reached it's highest population of 68,181 in 2021. Spanning over 14 miles, Rockville has a population density of 5,016 people per square mile.
The average household income in Rockville is $134,194 with a poverty rate of 6.32%. The median rental costs in recent years comes to $1,921 per month, and the median house value is $540,000. The median age in Rockville is 38.7 years, 37.4 years for males, and 40 years for females.