Clarksville is a city located in Indiana. With a 2020 population of 21,670, it is the 43rd largest city in Indiana and the 1734th largest city in the United States. Clarksville is currently growing at a rate of 0.11% annually but its population has decreased by -0.25% since the most recent census, which recorded a population of 21,724 in 2010. Spanning over 10 miles, Clarksville has a population density of 2,175 people per square mile.
The average household income in Clarksville is $56,567 with a poverty rate of 13.36%. The median rental costs in recent years comes to $780 per month, and the median house value is $114,000. The median age in Clarksville is 40.6 years, 37.9 years for males, and 42.5 years for females. For every 100 females there are 84.2 males.