Mason is a city located in Ohio. With a 2020 population of 34,176, it is the 43rd largest city in Ohio and the 1145th largest city in the United States. Mason is currently growing at a rate of 0.87% annually and its population has increased by 11.28% since the most recent census, which recorded a population of 30,712 in 2010. Spanning over 19 miles, Mason has a population density of 1,776 people per square mile.
The average household income in Mason is $132,635 with a poverty rate of 2.37%. The median rental costs in recent years comes to $1,200 per month, and the median house value is $249,000. The median age in Mason is 42 years, 40 years for males, and 43.6 years for females. For every 100 females there are 100.7 males.