St. Bernard County Demographics
A map of St. Bernard County's Population by Race
St. Bernard County, Louisiana has an estimated population of 44,419, a slight increase from the 43,764 recorded in the 2020 Census. The population is 55.5% White, 23.6% Black, 13.9% Hispanic, 4.2% Multiracial, 1.9% Asian, and 0.9% Native American/Other. This demographic dot map shows the population of St. Bernard County, with one dot drawn for each person counted by the Census, color-coded by race.
St. Bernard has become less racially diverse since the 2020 Census. It is more 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 St. Bernard County, that probability was 63.1% in 2020 and 61.4% in the most recent ACS estimates.
St. Bernard County is ranked the 26th most populous county in Louisiana, out of 64 counties. St. Bernard County was ranked the 26th most populous county in the 2020 Census.
St. Bernard County's White Population
24,666 residents of St. Bernard County, or 55.5% of the population, identify as White. The share of White residents in St. Bernard County is comparable to the share in Louisiana overall, where 55.7% of the population is White. St. Bernard County ranks 48th statewide in terms of White residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's White population has grown by an estimated 6.5%. White residents' share of St. Bernard County's population has increased from 52.9% to 55.5%.
St. Bernard County is more White than neighboring Orleans County (30.1% White). St. Bernard County is less White than neighboring Hancock County (83.4% White), Plaquemines County (58.8% White), Harrison County (60.8% White), and St. Tammany County (72.4% White).
St. Bernard County's Black Population
10,495 residents of St. Bernard County, or 23.6% of the population, identify as Black. The share of Black residents in St. Bernard County is lower than in Louisiana overall, where 30.5% of the population is Black. St. Bernard County ranks 38th statewide in terms of Black residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's Black population has declined by an estimated 7.7%. Black residents' share of St. Bernard County's population has decreased from 26.0% to 23.6%.
St. Bernard County is more Black than neighboring Hancock County (7.1% Black), Plaquemines County (20.4% Black), Harrison County (23.3% Black), and St. Tammany County (12% Black). St. Bernard County is less Black than neighboring Orleans County (53.9% Black).
St. Bernard County's Asian Population
859 residents of St. Bernard County, or 1.9% of the population, identify as Asian. The share of Asian residents in St. Bernard County is comparable to the share in Louisiana overall, where 1.7% of the population is Asian. St. Bernard County ranks 6th statewide in terms of Asian residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's Asian population has declined by an estimated 11.6%. Asian residents' share of St. Bernard County's population has remained roughly unchanged at 1.9%.
St. Bernard County is more Asian than neighboring Hancock County (1% Asian), and St. Tammany County (1.3% Asian). St. Bernard County is less Asian than neighboring Plaquemines County (3.5% Asian), Harrison County (2.5% Asian), and Orleans County (2.8% Asian).
St. Bernard County's Hispanic Population
6,167 residents of St. Bernard County, or 13.9% of the population, identify as Hispanic. The share of Hispanic residents in St. Bernard County is higher than in Louisiana overall, where 7.2% of the population is Hispanic. St. Bernard County ranks 2nd statewide in terms of Hispanic residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's Hispanic population has grown by an estimated 2.6%. Hispanic residents' share of St. Bernard County's population has remained roughly unchanged at 13.9%.
St. Bernard County is more Hispanic than neighboring Hancock County (4.2% Hispanic), Plaquemines County (9.8% Hispanic), Harrison County (6.9% Hispanic), Orleans County (8.2% Hispanic), and St. Tammany County (8.2% Hispanic).
St. Bernard County's Native American/Other Population
379 residents of St. Bernard County, or 0.9% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Bernard County is comparable to the share in Louisiana overall, where 1% of the population is Native American/Other. St. Bernard County ranks 10th statewide in terms of Native American/Other residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's Native American/Other population has declined by an estimated 25.1%. Native American/Other residents' share of St. Bernard County's population has remained roughly unchanged at 0.9%.
St. Bernard County is more Native American/Other than neighboring Harrison County (0.5% Native American/Other). St. Bernard County is less Native American/Other than neighboring Hancock County (1% Native American/Other), Plaquemines County (1.3% Native American/Other), Orleans County (1.1% Native American/Other), and St. Tammany County (1.4% Native American/Other).
St. Bernard County's Multiracial Population
1,853 residents of St. Bernard County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in St. Bernard County is comparable to the share in Louisiana overall, where 3.8% of the population is Multiracial. St. Bernard County ranks 10th statewide in terms of Multiracial residents as a share of the population, out of 64 counties.
Since the 2020 Census, St. Bernard County's Multiracial population has grown by an estimated 6.4%. Multiracial residents' share of St. Bernard County's population has remained roughly unchanged at 4.2%.
St. Bernard County is more Multiracial than neighboring Hancock County (3.3% Multiracial), and Orleans County (4% Multiracial). St. Bernard County is less Multiracial than neighboring Plaquemines County (6.2% Multiracial), Harrison County (5.9% Multiracial), and St. Tammany County (4.6% 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.