Marietta is a city located in Georgia. With a 2020 population of 60,754, it is the 14th largest city in Georgia and the 629th largest city in the United States. Marietta is currently declining at a rate of -0.04% annually but its population has increased by 7.38% since the most recent census, which recorded a population of 56,579 in 2010. Marietta reached it's highest population of 60,815 in 2016. Spanning over 23 miles, Marietta has a population density of 2,596 people per square mile.
The average household income in Marietta is $81,075 with a poverty rate of 16.40%. The median rental costs in recent years comes to $1,048 per month, and the median house value is $273,300. The median age in Marietta is 33.3 years, 31.4 years for males, and 35.3 years for females. For every 100 females there are 95.7 males.