Lake St. Clair, MO Demographics

A map of Lake St. Clair's Population by Race

Lake St. Clair, Missouri has an estimated population of 872, an increase from the 825 recorded in the 2020 Census. The population is 93.0% White, 4.6% Multiracial, 2.4% Hispanic, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Lake St. Clair, with one dot drawn for each person counted by the Census, color-coded by race.

Lake St. Clair has become 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 Lake St. Clair, that probability was 11.6% in 2020 and 13.2% in the most recent ACS estimates.

Lake St. Clair is ranked the 398th 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). Lake St. Clair was ranked the 394th most populous place in the 2020 Census.

Lake St. Clair's White Population

811 residents of Lake St. Clair, or 93.0% of the population, identify as White. The share of White residents in Lake St. Clair is significantly higher than in Missouri overall, where 76.3% of the population is White. Lake St. Clair ranks 190th statewide in terms of White residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's White population has grown by an estimated 4.6%. White residents' share of Lake St. Clair's population has decreased from 93.9% to 93.0%.

Lake St. Clair is more White than neighboring St. Clair (89.6% White), Parkway (88.5% White), Charmwood (0% White), Miramiguoa Park (38.7% White), and Union (86.5% White).

Lake St. Clair's Black Population

0 residents of Lake St. Clair, or 0.0% of the population, identify as Black. The share of Black residents in Lake St. Clair is considerably lower than in Missouri overall, where 10.9% of the population is Black. Lake St. Clair ranks 570th statewide in terms of Black residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's Black population has declined by an estimated 100.0%. Black residents' share of Lake St. Clair's population has decreased from 0.5% to 0.0%.

Lake St. Clair is less Black than neighboring St. Clair (0.6% Black), Parkway (0.5% Black), and Union (2.2% Black).

Lake St. Clair's Asian Population

0 residents of Lake St. Clair, or 0.0% of the population, identify as Asian. The share of Asian residents in Lake St. Clair is slightly lower than in Missouri overall, where 2.1% of the population is Asian. Lake St. Clair ranks 615th statewide in terms of Asian residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's Asian population has grown from 0 to an estimated 0. Asian residents' share of Lake St. Clair's population has remained roughly unchanged at 0.0%.

Lake St. Clair is less Asian than neighboring St. Clair (0.3% Asian), Miramiguoa Park (3.2% Asian), and Union (1.3% Asian).

Lake St. Clair's Hispanic Population

21 residents of Lake St. Clair, or 2.4% of the population, identify as Hispanic. The share of Hispanic residents in Lake St. Clair is slightly lower than in Missouri overall, where 5.2% of the population is Hispanic. Lake St. Clair ranks 736th statewide in terms of Hispanic residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's Hispanic population has grown by an estimated 61.5%. Hispanic residents' share of Lake St. Clair's population has increased from 1.6% to 2.4%.

Lake St. Clair is more Hispanic than neighboring Charmwood (0% Hispanic), and Miramiguoa Park (0% Hispanic). Lake St. Clair is less Hispanic than neighboring Union (2.5% Hispanic).

Lake St. Clair's Native American/Other Population

0 residents of Lake St. Clair, 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 Lake St. Clair is comparable to the share in Missouri overall, where 0.7% of the population is Native American/Other. Lake St. Clair ranks 705th statewide in terms of Native American/Other residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Lake St. Clair's population has remained roughly unchanged at 0.0%.

Lake St. Clair is less Native American/Other than neighboring Parkway (2.4% Native American/Other), and Union (0.1% Native American/Other).

Lake St. Clair's Multiracial Population

40 residents of Lake St. Clair, or 4.6% of the population, identify as Multiracial. The share of Multiracial residents in Lake St. Clair is comparable to the share in Missouri overall, where 4.8% of the population is Multiracial. Lake St. Clair ranks 751st statewide in terms of Multiracial residents as a share of the population, out of 1,082 places.

Since the 2020 Census, Lake St. Clair's Multiracial population has grown by an estimated 33.3%. Multiracial residents' share of Lake St. Clair's population has increased from 3.6% to 4.6%.

Lake St. Clair is more Multiracial than neighboring Charmwood (0% Multiracial). Lake St. Clair is less Multiracial than neighboring St. Clair (7.1% Multiracial), Parkway (6.3% Multiracial), Miramiguoa Park (58.1% Multiracial), and Union (7.5% 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.