Martinsville is a city located in Indiana. With a 2020 population of 11,632, it is the 72nd largest city in Indiana and the 2785th largest city in the United States. Martinsville is currently declining at a rate of -0.05% annually and its population has decreased by -1.66% since the most recent census, which recorded a population of 11,828 in 2010. Martinsville reached it's highest population of 11,778 in 2010. Spanning over 5 miles, Martinsville has a population density of 2,567 people per square mile.
The average household income in Martinsville is $53,768 with a poverty rate of 18.97%. The median rental costs in recent years comes to $725 per month, and the median house value is $97,400. The median age in Martinsville is 38.6 years, 37.4 years for males, and 40.3 years for females. For every 100 females there are 93.7 males.