St. Martins, MO Demographics

A map of St. Martins's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	1,106	1,079	90.1%	90.6%
Multiracial	72	45	5.9%	3.8%
Hispanic	36	27	2.9%	2.3%
Asian	8	7	0.7%	0.6%
Native American/Other	5	8	0.4%	0.7%
Black	1	25	0.1%	2.1%

St. Martins, Missouri has an estimated population of 1,228, an increase from the 1,191 recorded in the 2020 Census. The population is 90.1% White, 5.9% Multiracial, 2.9% Hispanic, 0.7% Asian, 0.4% Native American/Other, and 0.1% Black. This demographic dot map shows the population of St. Martins, with one dot drawn for each person counted by the Census, color-coded by race.

St. Martins has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Missouri overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In St. Martins, that probability was 17.7% in 2020 and 18.4% in the most recent ACS estimates.

St. Martins is ranked the 345th most populous place in Missouri, out of 1,082 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. Martins was ranked the 336th most populous place in the 2020 Census.

St. Martins's White Population

1,106 residents of St. Martins, or 90.1% of the population, identify as White. The share of White residents in St. Martins is considerably higher than in Missouri overall, where 76.3% of the population is White. St. Martins ranks 461st statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's White population has grown by an estimated 2.5%. White residents' share of St. Martins's population has decreased from 90.6% to 90.1%.

St. Martins is more White than neighboring Centertown (83.5% White), Russellville (88.4% White), and Jefferson City (71.4% White). St. Martins is less White than neighboring Lohman (100% White), and Hartsburg (93.6% White).

St. Martins's Black Population

1 residents of St. Martins, or 0.1% of the population, identify as Black. The share of Black residents in St. Martins is considerably lower than in Missouri overall, where 10.9% of the population is Black. St. Martins ranks 283rd statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's Black population has declined by an estimated 96.0%. Black residents' share of St. Martins's population has decreased from 2.1% to 0.1%.

St. Martins is more Black than neighboring Lohman (0% Black), Centertown (0% Black), and Hartsburg (0% Black). St. Martins is less Black than neighboring Russellville (1% Black), and Jefferson City (16% Black).

St. Martins's Asian Population

8 residents of St. Martins, or 0.7% of the population, identify as Asian. The share of Asian residents in St. Martins is comparable to the share in Missouri overall, where 2.1% of the population is Asian. St. Martins ranks 326th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's Asian population has grown by an estimated 14.3%. Asian residents' share of St. Martins's population has remained roughly unchanged at 0.7%.

St. Martins is more Asian than neighboring Lohman (0% Asian), and Centertown (0.3% Asian). St. Martins is less Asian than neighboring Hartsburg (3.7% Asian), and Jefferson City (2.4% Asian).

St. Martins's Hispanic Population

36 residents of St. Martins, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in St. Martins is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. St. Martins ranks 565th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's Hispanic population has grown by an estimated 33.3%. Hispanic residents' share of St. Martins's population has increased from 2.3% to 2.9%.

St. Martins is more Hispanic than neighboring Lohman (0% Hispanic), Hartsburg (0% Hispanic), and Russellville (0.6% Hispanic). St. Martins is less Hispanic than neighboring Centertown (14.1% Hispanic), and Jefferson City (4% Hispanic).

St. Martins's Native American/Other Population

5 residents of St. Martins, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in St. Martins is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. St. Martins ranks 505th statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's Native American/Other population has declined by an estimated 37.5%. Native American/Other residents' share of St. Martins's population has remained roughly unchanged at 0.4%.

St. Martins is more Native American/Other than neighboring Lohman (0% Native American/Other), Centertown (0% Native American/Other), and Hartsburg (0% Native American/Other). St. Martins is less Native American/Other than neighboring Russellville (1.7% Native American/Other), and Jefferson City (1.4% Native American/Other).

St. Martins's Multiracial Population

72 residents of St. Martins, or 5.9% of the population, identify as Multiracial. The share of Multiracial residents in St. Martins is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. St. Martins ranks 724th statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, St. Martins's Multiracial population has grown by an estimated 60.0%. Multiracial residents' share of St. Martins's population has increased from 3.8% to 5.9%.

St. Martins is more Multiracial than neighboring Lohman (0% Multiracial), Centertown (2% Multiracial), Hartsburg (2.8% Multiracial), and Jefferson City (4.9% Multiracial). St. Martins is less Multiracial than neighboring Russellville (7.7% 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.