Grantville is a city located in Georgia. With a 2020 population of 3,295, it is the 187th largest city in Georgia and the 5941st largest city in the United States. Grantville is currently growing at a rate of 0.40% annually and its population has increased by 8.35% since the most recent census, which recorded a population of 3,041 in 2010. Spanning over 6 miles, Grantville has a population density of 569 people per square mile.
The average household income in Grantville is $63,040 with a poverty rate of 7.09%. The median rental costs in recent years comes to $1,076 per month, and the median house value is $112,700. The median age in Grantville is 33.1 years, 30.5 years for males, and 35.3 years for females. For every 100 females there are 90.1 males.