Gretna is located in Florida. Gretna, Florida has a population of 1,497. Gretna is more family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 24%.
The median household income in Gretna, Florida is $40,465. The median household income for the surrounding county is $41,936 compared to the national median of $61,963. The median age of people living in Gretna is 37.4 years.
The average high temperature in July is 91.23 degrees, with an average low temperature in January of 38.53 degrees. The annual precipitation is 56.1.