All cities →

Gretna, LA Demographics

Gretna, LA is the 29th most populous of 488 cities in Louisiana, with 17,814 residents across 4 square miles. That is about 4,414 people per square mile.

At the 2020 census

Population	17,814
Land area	4 sq mi
Density	4,414 / sq mi

Data: 2020 Census · American Community Survey 2024

How Gretna, LA compares to the US

We're computing this city's comparison table. Check back shortly. Population, land area, and density above are already exact.

Related places

Other cities nearby

New Orleans, LA
Baton Rouge, LA
Shreveport, LA
Metairie, LA
Lafayette, LA
Lake Charles, LA
Kenner, LA
Bossier City, LA

Nearest cities

Terrytown, LA
Harvey, LA
Timberlane, LA
Woodmere, LA
Marrero, LA
Arabi, LA

About this page

City statistics cover the municipal boundary only, not the wider metro area.

Figures come from the 2020 census and the American Community Survey, compared against national averages.

Read how BlockAtlas computes population within an area →