Marshallville is a city located in Georgia. With a 2020 population of 1,204, it is the 288th largest city in Georgia and the 9569th largest city in the United States. Marshallville is currently declining at a rate of -1.87% annually and its population has decreased by -16.85% since the most recent census, which recorded a population of 1,448 in 2010. Marshallville reached it's highest population of 1,436 in 2010. Spanning over 3 miles, Marshallville has a population density of 385 people per square mile.
The average household income in Marshallville is $38,993 with a poverty rate of 33.92%. The median rental costs in recent years comes to $442 per month, and the median house value is $67,900. The median age in Marshallville is 43.9 years, 40.6 years for males, and 51.8 years for females. For every 100 females there are 88.0 males.