Marshallville is a city located in Georgia. With a 2020 population of 1,202, it is the 287th largest city in Georgia and the 9570th largest city in the United States. Marshallville is currently declining at a rate of -2.28% annually and its population has decreased by -16.99% since the most recent census, which recorded a population of 1,448 in 2010. Marshallville reached it's highest population of 1,439 in 2010. Spanning over 3 miles, Marshallville has a population density of 385 people per square mile.
The average household income in Marshallville is $35,494 with a poverty rate of 34.46%. The median rental costs in recent years comes to $468 per month, and the median house value is $68,100. The median age in Marshallville is 39.3 years, 36.2 years for males, and 43.8 years for females. For every 100 females there are 74.2 males.