Gretna, LA Demographics

A map of Gretna's Population by Race

Gretna, Louisiana had a population of 17,814 in 2020. It was 41.2% White, 33.0% Black, 2.8% Asian, 18.7% Hispanic, 1.2% Native American/Other, and 3.1% Multiracial. This map presents the population of Gretna, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Of the 488 places in Louisiana, Gretna is the 29th most populous. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs).

Gretna's White Population

7,347 residents of Gretna identify as White, or 41.2%. This makes the White share of the population of Gretna less than the White share of the population of Louisiana (55.8% White). Of the 488 places in Louisiana, Gretna is ranked #372 in terms of White residents as a share of the population.

Gretna is more White than neighboring Terrytown (25.8% White), Harvey (29.2% White), Timberlane (37.5% White), Woodmere (6.2% White), and Marrero (31.9% White).

Gretna's Black Population

5,872 residents of Gretna identify as Black, or 33.0%. This makes the Black share of the population of Gretna roughly similar to the Black share of the population of Louisiana (31.2% Black). Of the 488 places in Louisiana, Gretna is ranked #197 in terms of Black residents as a share of the population.

Gretna is less Black than neighboring Terrytown (38.2% Black), Harvey (43.6% Black), Timberlane (35.2% Black), Woodmere (79.3% Black), and Marrero (50.1% Black).

Gretna's Asian Population

490 residents of Gretna identify as Asian, or 2.8%. This makes the Asian share of the population of Gretna roughly similar to the Asian share of the population of Louisiana (1.8% Asian). Of the 488 places in Louisiana, Gretna is ranked #43 in terms of Asian residents as a share of the population.

Gretna is less Asian than neighboring Terrytown (4.7% Asian), Harvey (6.5% Asian), Timberlane (7.4% Asian), Woodmere (3.6% Asian), and Marrero (5.5% Asian).

Gretna's Hispanic Population

3,336 residents of Gretna identify as Hispanic, or 18.7%. This makes the Hispanic share of the population of Gretna slightly larger than the Hispanic share of the population of Louisiana (6.9% Hispanic). Of the 488 places in Louisiana, Gretna is ranked #14 in terms of Hispanic residents as a share of the population.

Gretna is more Hispanic than neighboring Harvey (16.7% Hispanic), Timberlane (14.1% Hispanic), Woodmere (7.7% Hispanic), and Marrero (8.6% Hispanic). Gretna is less Hispanic than neighboring Terrytown (27.7% Hispanic).

Gretna's Native American/Other Population

209 residents of Gretna identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.2%. This makes the Native American/Other share of the population of Gretna roughly similar to the Native American/Other share of the population of Louisiana (1% Native American/Other). Of the 488 places in Louisiana, Gretna is ranked #107 in terms of Native American/Other residents as a share of the population.

Gretna is more Native American/Other than neighboring Terrytown (0.8% Native American/Other), Harvey (0.8% Native American/Other), Timberlane (1.1% Native American/Other), Woodmere (0.7% Native American/Other), and Marrero (0.8% Native American/Other).

Gretna's Multiracial Population

560 residents of Gretna identify as Multiracial, or 3.1%. This makes the Multiracial share of the population of Gretna roughly similar to the Multiracial share of the population of Louisiana (3.4% Multiracial). Of the 488 places in Louisiana, Gretna is ranked #274 in terms of Multiracial residents as a share of the population.

Gretna is more Multiracial than neighboring Terrytown (2.8% Multiracial), and Woodmere (2.5% Multiracial). Gretna is less Multiracial than neighboring Timberlane (4.6% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.