Martinsville is a city located in New Jersey. Martinsville has a 2020 population of 11,541. Martinsville is currently declining at a rate of 0.00% annually and its population has decreased by -3.66% since the most recent census, which recorded a population of 11,980 in 2010. Martinsville reached it's highest population of 12,128 in 2013.
The average household income in Martinsville is $193,839 with a poverty rate of 3.69%. The median rental costs in recent years comes to $1,531 per month, and the median house value is $545,900. The median age in Martinsville is 46.8 years, 46.7 years for males, and 46.9 years for females. For every 100 females there are 90.1 males.