Millen is a city located in Georgia. With a 2020 population of 2,739, it is the 206th largest city in Georgia and the 6527th largest city in the United States. Millen is currently declining at a rate of -0.36% annually and its population has decreased by -12.21% since the most recent census, which recorded a population of 3,120 in 2010. Millen reached it's highest population of 3,988 in 1980. Spanning over 4 miles, Millen has a population density of 765 people per square mile.
The average household income in Millen is $33,411 with a poverty rate of 36.12%. The median rental costs in recent years comes to $629 per month, and the median house value is $51,400. The median age in Millen is 48.4 years, 35.4 years for males, and 48.7 years for females. For every 100 females there are 67.5 males.