Gretna is a city located in Virginia. With a 2020 population of 1,187, it is the 127th largest city in Virginia and the 9629th largest city in the United States. Gretna is currently declining at a rate of -0.75% annually and its population has decreased by -6.31% since the most recent census, which recorded a population of 1,267 in 2010. Gretna reached it's highest population of 1,271 in 2010. Spanning over 2 miles, Gretna has a population density of 711 people per square mile.
The average household income in Gretna is $48,716 with a poverty rate of 24.75%. The median rental costs in recent years comes to $668 per month, and the median house value is $103,800. The median age in Gretna is 52.4 years, 46.6 years for males, and 55.9 years for females. For every 100 females there are 89.9 males.