St. Martin, MS Demographics

A map of St. Martin's Population by Race

St. Martin, Mississippi has an estimated population of 8,139, an increase from the 7,811 recorded in the 2020 Census. The population is 71.6% White, 13.6% Black, 5.7% Asian, 5.6% Hispanic, 3.4% Multiracial, and 0.0% Native American/Other. This demographic dot map shows the population of St. Martin, with one dot drawn for each person counted by the Census, color-coded by race.

St. Martin has become considerably less racially diverse since 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 St. Martin, that probability was 56.3% in 2020 and 46.1% in the most recent ACS estimates.

St. Martin is ranked the 49th 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). St. Martin was ranked the 49th most populous place in the 2020 Census.

St. Martin's White Population

5,831 residents of St. Martin, or 71.6% of the population, identify as White. The share of White residents in St. Martin is significantly higher than in Mississippi overall, where 55.2% of the population is White. St. Martin ranks 170th statewide in terms of White residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's White population has grown by an estimated 18.2%. White residents' share of St. Martin's population has increased from 63.2% to 71.6%.

St. Martin is more White than neighboring D'Iberville (60.8% White), Gulf Hills (66.7% White), Latimer (68.4% White), and Biloxi (59.4% White). St. Martin is less White than neighboring Ocean Springs (76.6% White).

St. Martin's Black Population

1,104 residents of St. Martin, or 13.6% of the population, identify as Black. The share of Black residents in St. Martin is significantly lower than in Mississippi overall, where 36.3% of the population is Black. St. Martin ranks 312th statewide in terms of Black residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's Black population has declined by an estimated 5.2%. Black residents' share of St. Martin's population has decreased from 14.9% to 13.6%.

St. Martin is more Black than neighboring Gulf Hills (10.6% Black), Latimer (4.6% Black), and Ocean Springs (7.4% Black). St. Martin is less Black than neighboring D'Iberville (19.1% Black), and Biloxi (18.4% Black).

St. Martin's Asian Population

465 residents of St. Martin, or 5.7% of the population, identify as Asian. The share of Asian residents in St. Martin is slightly higher than in Mississippi overall, where 1% of the population is Asian. St. Martin ranks 2nd statewide in terms of Asian residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's Asian population has declined by an estimated 36.7%. Asian residents' share of St. Martin's population has decreased from 9.4% to 5.7%.

St. Martin is more Asian than neighboring Gulf Hills (2.8% Asian), Latimer (5.1% Asian), Biloxi (3.6% Asian), and Ocean Springs (4.9% Asian). St. Martin is less Asian than neighboring D'Iberville (8% Asian).

St. Martin's Hispanic Population

459 residents of St. Martin, or 5.6% of the population, identify as Hispanic. The share of Hispanic residents in St. Martin is comparable to the share in Mississippi overall, where 3.7% of the population is Hispanic. St. Martin ranks 43rd statewide in terms of Hispanic residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's Hispanic population has declined by an estimated 3.2%. Hispanic residents' share of St. Martin's population has decreased from 6.1% to 5.6%.

St. Martin is less Hispanic than neighboring D'Iberville (8.1% Hispanic), Gulf Hills (14.3% Hispanic), Latimer (10.8% Hispanic), Biloxi (10.8% Hispanic), and Ocean Springs (8.4% Hispanic).

St. Martin's Native American/Other Population

0 residents of St. Martin, 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 St. Martin is comparable to the share in Mississippi overall, where 0.8% of the population is Native American/Other. St. Martin ranks 39th statewide in terms of Native American/Other residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of St. Martin's population has decreased from 1.1% to 0.0%.

St. Martin is less Native American/Other than neighboring D'Iberville (0.1% Native American/Other), Gulf Hills (1% Native American/Other), Latimer (1.1% Native American/Other), Biloxi (0.8% Native American/Other), and Ocean Springs (0.3% Native American/Other).

St. Martin's Multiracial Population

280 residents of St. Martin, or 3.4% of the population, identify as Multiracial. The share of Multiracial residents in St. Martin is comparable to the share in Mississippi overall, where 3% of the population is Multiracial. St. Martin ranks 27th statewide in terms of Multiracial residents as a share of the population, out of 427 places.

Since the 2020 Census, St. Martin's Multiracial population has declined by an estimated 32.9%. Multiracial residents' share of St. Martin's population has decreased from 5.3% to 3.4%.

St. Martin is more Multiracial than neighboring Ocean Springs (2.4% Multiracial). St. Martin is less Multiracial than neighboring D'Iberville (3.8% Multiracial), Gulf Hills (4.5% Multiracial), Latimer (10% Multiracial), and Biloxi (7% 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.