Gretna is a medium-sized city located in the state of Louisiana. With a population of 17,026 people and 17 associated neighborhoods, Gretna is the 25th largest community in Louisiana.

Telecommuters are a relatively large percentage of the workforce: 7.91% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

The percentage of people in Gretna who are college-educated is somewhat higher than the average US community of 21.84%: 25.98% of adults in Gretna have at least a bachelor's degree.

The per capita income in Gretna in 2022 was $29,250, which is middle income relative to Louisiana, and lower middle income relative to the rest of the US. This equates to an annual income of $117,000 for a family of four. However, Gretna contains both very wealthy and poor people as well.

Gretna is an extremely ethnically-diverse city. The people who call Gretna home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Gretna residents report their race to be White, followed by Black or African-American. Gretna also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 22.79% of the city’s residents. Important ancestries of people in Gretna include French, Italian, German, Irish, and English.

In addition, Gretna has a lot of people living here who were born outside of the US (18.42%).

The most common language spoken in Gretna is English. Other important languages spoken here include Spanish and Arabic.