Marienville is a city located in Pennsylvania. Marienville has a 2020 population of 4,367. Marienville is currently declining at a rate of 0.00% annually and its population has increased by 39.21% 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 $45,310 with a poverty rate of 14.88%. The median rental costs in recent years comes to $678 per month, and the median house value is $82,300. The median age in Marienville is 35.1 years, 34.8 years for males, and 59.9 years for females. For every 100 females there are 1426.9 males.