Bay St. Louis, MS Demographics

A map of Bay St. Louis's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	7,701	6,996	75.6%	75.4%
Black	1,399	1,357	13.7%	14.6%
Hispanic	469	396	4.6%	4.3%
Native American/Other	257	75	2.5%	0.8%
Multiracial	231	367	2.3%	4.0%
Asian	131	93	1.3%	1.0%

Bay St. Louis, Mississippi has an estimated population of 10,188, an increase from the 9,284 recorded in the 2020 Census. The population is 75.6% White, 13.7% Black, 4.6% Hispanic, 2.5% Native American/Other, 2.3% Multiracial, and 1.3% Asian. This demographic dot map shows the population of Bay St. Louis, with one dot drawn for each person counted by the Census, color-coded by race.

Bay St. Louis is about as racially diverse as it was in the 2020 Census. It is considerably less diverse than Mississippi overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Bay St. Louis, that probability was 40.7% in 2020 and 40.6% in the most recent ACS estimates.

Bay St. Louis is ranked the 42nd most populous place in Mississippi, out of 427 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). Bay St. Louis was ranked the 45th most populous place in the 2020 Census.

Bay St. Louis's White Population

7,701 residents of Bay St. Louis, or 75.6% of the population, identify as White. The share of White residents in Bay St. Louis is significantly higher than in Mississippi overall, where 55.2% of the population is White. Bay St. Louis ranks 117th statewide in terms of White residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's White population has grown by an estimated 10.1%. White residents' share of Bay St. Louis's population has remained roughly unchanged at 75.6%.

Bay St. Louis is more White than neighboring DeLisle (61.1% White), and Pass Christian (70.5% White). Bay St. Louis is less White than neighboring Waveland (77.7% White), Diamondhead (84.3% White), and Henderson Point (96.6% White).

Bay St. Louis's Black Population

1,399 residents of Bay St. Louis, or 13.7% of the population, identify as Black. The share of Black residents in Bay St. Louis is significantly lower than in Mississippi overall, where 36.3% of the population is Black. Bay St. Louis ranks 314th statewide in terms of Black residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's Black population has grown by an estimated 3.1%. Black residents' share of Bay St. Louis's population has decreased from 14.6% to 13.7%.

Bay St. Louis is more Black than neighboring Waveland (12% Black), Diamondhead (2.6% Black), and Henderson Point (0% Black). Bay St. Louis is less Black than neighboring DeLisle (26.3% Black), and Pass Christian (19.1% Black).

Bay St. Louis's Asian Population

131 residents of Bay St. Louis, or 1.3% of the population, identify as Asian. The share of Asian residents in Bay St. Louis is comparable to the share in Mississippi overall, where 1% of the population is Asian. Bay St. Louis ranks 61st statewide in terms of Asian residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's Asian population has grown by an estimated 40.9%. Asian residents' share of Bay St. Louis's population has remained roughly unchanged at 1.3%.

Bay St. Louis is more Asian than neighboring Henderson Point (0% Asian), and DeLisle (0% Asian). Bay St. Louis is less Asian than neighboring Waveland (2.1% Asian), Diamondhead (1.4% Asian), and Pass Christian (2.7% Asian).

Bay St. Louis's Hispanic Population

469 residents of Bay St. Louis, or 4.6% of the population, identify as Hispanic. The share of Hispanic residents in Bay St. Louis is comparable to the share in Mississippi overall, where 3.7% of the population is Hispanic. Bay St. Louis ranks 86th statewide in terms of Hispanic residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's Hispanic population has grown by an estimated 18.4%. Hispanic residents' share of Bay St. Louis's population has remained roughly unchanged at 4.6%.

Bay St. Louis is more Hispanic than neighboring Waveland (3.6% Hispanic), Henderson Point (3.4% Hispanic), and Pass Christian (2.8% Hispanic). Bay St. Louis is less Hispanic than neighboring Diamondhead (5.5% Hispanic), and DeLisle (11.2% Hispanic).

Bay St. Louis's Native American/Other Population

257 residents of Bay St. Louis, or 2.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Bay St. Louis is comparable to the share in Mississippi overall, where 0.8% of the population is Native American/Other. Bay St. Louis ranks 75th statewide in terms of Native American/Other residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's Native American/Other population has grown by an estimated 242.7%. Native American/Other residents' share of Bay St. Louis's population has increased from 0.8% to 2.5%.

Bay St. Louis is more Native American/Other than neighboring Waveland (1.1% Native American/Other), Diamondhead (0.1% Native American/Other), Henderson Point (0% Native American/Other), DeLisle (0.7% Native American/Other), and Pass Christian (1% Native American/Other).

Bay St. Louis's Multiracial Population

231 residents of Bay St. Louis, or 2.3% of the population, identify as Multiracial. The share of Multiracial residents in Bay St. Louis is comparable to the share in Mississippi overall, where 3% of the population is Multiracial. Bay St. Louis ranks 82nd statewide in terms of Multiracial residents as a share of the population, out of 427 places.

Since the 2020 Census, Bay St. Louis's Multiracial population has declined by an estimated 37.1%. Multiracial residents' share of Bay St. Louis's population has decreased from 4.0% to 2.3%.

Bay St. Louis is more Multiracial than neighboring Henderson Point (0% Multiracial), and DeLisle (0.7% Multiracial). Bay St. Louis is less Multiracial than neighboring Waveland (3.6% Multiracial), Diamondhead (6% Multiracial), and Pass Christian (3.9% 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.