Grand Isle, LA Demographics
A map of Grand Isle's Population by Race
Grand Isle, Louisiana has an estimated population of 623, a dramatic decrease from the 1,005 recorded in the 2020 Census. The population is 94.7% White, 3.7% Multiracial, 0.8% Black, 0.8% Hispanic, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Grand Isle, with one dot drawn for each person counted by the Census, color-coded by race.
Grand Isle has become less racially diverse since the 2020 Census. It is considerably less diverse than Louisiana overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Grand Isle, that probability was 14.4% in 2020 and 10.2% in the most recent ACS estimates.
Grand Isle is ranked the 326th most populous place in Louisiana, out of 489 places. 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). Grand Isle was ranked the 263rd most populous place in the 2020 Census.
Grand Isle's White Population
590 residents of Grand Isle, or 94.7% of the population, identify as White. The share of White residents in Grand Isle is significantly higher than in Louisiana overall, where 55.7% of the population is White. Grand Isle ranks 30th statewide in terms of White residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's White population has declined by an estimated 36.5%. White residents' share of Grand Isle's population has increased from 92.4% to 94.7%.
Grand Isle is more White than neighboring Golden Meadow (85.1% White), Galliano (75.3% White), Port Sulphur (14.1% White), Cut Off (64.6% White), and Pointe a la Hache (2.4% White).
Grand Isle's Black Population
5 residents of Grand Isle, or 0.8% of the population, identify as Black. The share of Black residents in Grand Isle is significantly lower than in Louisiana overall, where 30.5% of the population is Black. Grand Isle ranks 476th statewide in terms of Black residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's Black population has grown by an estimated 150.0%. Black residents' share of Grand Isle's population has increased from 0.2% to 0.8%.
Grand Isle is less Black than neighboring Golden Meadow (1.3% Black), Galliano (1.3% Black), Port Sulphur (47.4% Black), Cut Off (0.9% Black), and Pointe a la Hache (95.5% Black).
Grand Isle's Asian Population
0 residents of Grand Isle, or 0.0% of the population, identify as Asian. The share of Asian residents in Grand Isle is comparable to the share in Louisiana overall, where 1.7% of the population is Asian. Grand Isle ranks 175th statewide in terms of Asian residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's Asian population has declined by an estimated 100.0%. Asian residents' share of Grand Isle's population has decreased from 0.6% to 0.0%.
Grand Isle is less Asian than neighboring Golden Meadow (0.5% Asian), Galliano (1.5% Asian), Port Sulphur (3.6% Asian), and Cut Off (0.1% Asian).
Grand Isle's Hispanic Population
5 residents of Grand Isle, or 0.8% of the population, identify as Hispanic. The share of Hispanic residents in Grand Isle is lower than in Louisiana overall, where 7.2% of the population is Hispanic. Grand Isle ranks 251st statewide in terms of Hispanic residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's Hispanic population has declined by an estimated 83.3%. Hispanic residents' share of Grand Isle's population has decreased from 3.0% to 0.8%.
Grand Isle is less Hispanic than neighboring Golden Meadow (7.1% Hispanic), Galliano (11.6% Hispanic), Port Sulphur (2.9% Hispanic), Cut Off (20.3% Hispanic), and Pointe a la Hache (2.1% Hispanic).
Grand Isle's Native American/Other Population
0 residents of Grand Isle, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Grand Isle is comparable to the share in Louisiana overall, where 1% of the population is Native American/Other. Grand Isle ranks 64th statewide in terms of Native American/Other residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Grand Isle's population has decreased from 1.9% to 0.0%.
Grand Isle is less Native American/Other than neighboring Golden Meadow (1% Native American/Other), Galliano (4.6% Native American/Other), Port Sulphur (5.8% Native American/Other), and Cut Off (6% Native American/Other).
Grand Isle's Multiracial Population
23 residents of Grand Isle, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Grand Isle is comparable to the share in Louisiana overall, where 3.8% of the population is Multiracial. Grand Isle ranks 421st statewide in terms of Multiracial residents as a share of the population, out of 489 places.
Since the 2020 Census, Grand Isle's Multiracial population has grown by an estimated 21.1%. Multiracial residents' share of Grand Isle's population has increased from 1.9% to 3.7%.
Grand Isle is more Multiracial than neighboring Pointe a la Hache (0% Multiracial). Grand Isle is less Multiracial than neighboring Golden Meadow (4.9% Multiracial), Galliano (5.6% Multiracial), Port Sulphur (26.2% Multiracial), and Cut Off (8.1% Multiracial).
Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.