Marienville is a city located in Pennsylvania. Marienville has a 2020 population of 4,045. Marienville is currently declining at a rate of 0.00% annually and its population has increased by 28.94% since the most recent census, which recorded a population of 3,137 in 2010. Marienville reached it's highest population of 4,691 in 2017.
The average household income in Marienville is $38,926 with a poverty rate of 18.82%. The median rental costs in recent years comes to $1,138 per month, and the median house value is $86,400. The median age in Marienville is 35.5 years, 34.9 years for males, and 54.7 years for females. For every 100 females there are 1020.5 males.