Greenville is a city located in Ohio. With a 2020 population of 12,646, it is the 143rd largest city in Ohio and the 2619th largest city in the United States. Greenville is currently declining at a rate of -0.19% annually and its population has decreased by -4.39% since the most recent census, which recorded a population of 13,227 in 2010. Greenville reached it's highest population of 13,294 in 2000. Spanning over 7 miles, Greenville has a population density of 1,906 people per square mile.
The average household income in Greenville is $50,628 with a poverty rate of 14.88%. The median rental costs in recent years comes to $633 per month, and the median house value is $93,700. The median age in Greenville is 46 years, 41.1 years for males, and 49.8 years for females. For every 100 females there are 88.7 males.