Gretna is a city located in Nebraska. With a 2020 population of 5,104, it is the 32nd largest city in Nebraska and the 4688th largest city in the United States. Gretna is currently growing at a rate of 0.28% annually and its population has increased by 14.93% since the most recent census, which recorded a population of 4,441 in 2010. Spanning over 2 miles, Gretna has a population density of 2,097 people per square mile.
The average household income in Gretna is $87,933 with a poverty rate of 4.19%. The median rental costs in recent years comes to $958 per month, and the median house value is $183,800. The median age in Gretna is 35.4 years, 36.2 years for males, and 34 years for females. For every 100 females there are 90.9 males.