Plaquemines County Demographics

A map of Plaquemines County's Population by Race

Plaquemines County, Louisiana had a population of 23,515 in 2020. It was 58.5% White, 20.7% Black, 4.4% Asian, 9.5% Hispanic, 2.1% Native American/Other, and 4.8% Multiracial. This map presents the population of Plaquemines County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Plaquemines County is the 38th most populous county of the 64 counties in Louisiana.

Plaquemines County's White Population

13,764 residents of Plaquemines County identify as White, or 58.5%. This makes the White share of the population of Plaquemines County roughly similar to the White share of the population of Louisiana (55.8% White). Of the 64 counties in Louisiana, Plaquemines County is ranked #37 in terms of White residents as a share of the population.

Plaquemines County is more White than neighboring St. Bernard County (52.9% White), Jefferson County (47.3% White), and Orleans County (31.6% White). Plaquemines County is less White than neighboring Lafourche County (72.5% White), and Hancock County (81.1% White).

Plaquemines County's Black Population

4,863 residents of Plaquemines County identify as Black, or 20.7%. This makes the Black share of the population of Plaquemines County slightly less than the Black share of the population of Louisiana (31.2% Black). Of the 64 counties in Louisiana, Plaquemines County is ranked #48 in terms of Black residents as a share of the population.

Plaquemines County is more Black than neighboring Lafourche County (14.9% Black), and Hancock County (8.5% Black). Plaquemines County is less Black than neighboring St. Bernard County (26% Black), Jefferson County (26.3% Black), and Orleans County (53.6% Black).

Plaquemines County's Asian Population

1,042 residents of Plaquemines County identify as Asian, or 4.4%. This makes the Asian share of the population of Plaquemines County roughly similar to the Asian share of the population of Louisiana (1.8% Asian). Of the 64 counties in Louisiana, Plaquemines County is ranked #1 in terms of Asian residents as a share of the population.

Plaquemines County is more Asian than neighboring St. Bernard County (2.2% Asian), Orleans County (2.8% Asian), Lafourche County (0.8% Asian), and Hancock County (0.9% Asian).

Plaquemines County's Hispanic Population

2,236 residents of Plaquemines County identify as Hispanic, or 9.5%. This makes the Hispanic share of the population of Plaquemines County roughly similar to the Hispanic share of the population of Louisiana (6.9% Hispanic). Of the 64 counties in Louisiana, Plaquemines County is ranked #3 in terms of Hispanic residents as a share of the population.

Plaquemines County is more Hispanic than neighboring Orleans County (8.1% Hispanic), Lafourche County (5.8% Hispanic), and Hancock County (4.2% Hispanic). Plaquemines County is less Hispanic than neighboring St. Bernard County (13.7% Hispanic), and Jefferson County (17.9% Hispanic).

Plaquemines County's Native American/Other Population

486 residents of Plaquemines County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 2.1%. This makes the Native American/Other share of the population of Plaquemines County roughly similar to the Native American/Other share of the population of Louisiana (1% Native American/Other). Of the 64 counties in Louisiana, Plaquemines County is ranked #7 in terms of Native American/Other residents as a share of the population.

Plaquemines County is more Native American/Other than neighboring St. Bernard County (1.2% Native American/Other), Jefferson County (0.9% Native American/Other), Orleans County (0.8% Native American/Other), and Hancock County (0.9% Native American/Other). Plaquemines County is less Native American/Other than neighboring Lafourche County (2.7% Native American/Other).

Plaquemines County's Multiracial Population

1,124 residents of Plaquemines County identify as Multiracial, or 4.8%. This makes the Multiracial share of the population of Plaquemines County roughly similar to the Multiracial share of the population of Louisiana (3.4% Multiracial). Of the 64 counties in Louisiana, Plaquemines County is ranked #3 in terms of Multiracial residents as a share of the population.

Plaquemines County is more Multiracial than neighboring St. Bernard County (4% Multiracial), Jefferson County (3.2% Multiracial), Orleans County (3.2% Multiracial), Lafourche County (3.3% Multiracial), and Hancock County (4.4% Multiracial).

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