Gretna is a very small town located in the state of Virginia. With a population of 1,292 people and four associated neighborhoods, Gretna is the 259th largest community in Virginia.

Also of interest is that Gretna has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Gretna telecommute to their jobs. Overall, about 15.56% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. 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 town is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, Gretna has relatively fewer families with younger children, and/or college students. Combined, this makes Gretna a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here.

Being a small town, Gretna does not have a public transit system used by locals to get to and from work.

The citizens of Gretna are slightly less educated than the national average of 21.84% for the average city or town: 13.69% of adults in Gretna have a bachelor's degree or advanced degree

The per capita income in Gretna in 2018 was $21,884, which is low income relative to Virginia and the nation. This equates to an annual income of $87,536 for a family of four. Gretna also has one of the higher rates of people living in poverty in the nation, with 32.37% of its population below the federal poverty line.

Gretna is an extremely ethnically-diverse town. 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. Important ancestries of people in Gretna include English, German, Irish, African, and Scots-Irish.

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