St. Louis County Demographics
A map of St. Louis County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 624,703 | 62.2% |
Black | 245,168 | 24.4% |
Asian | 48,552 | 4.8% |
Multiracial | 42,050 | 4.2% |
Hispanic | 37,178 | 3.7% |
Native American/Other | 6,474 | 0.6% |
St. Louis County, Missouri had a population of 1,004,125 in 2020. It was 62.2% White, 24.4% Black, 4.8% Asian, 3.7% Hispanic, 0.6% Native American/Other, and 4.2% Multiracial. This map presents the population of St. Louis County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
St. Louis County is the most populous county of the 115 counties in Missouri.
St. Louis County's White Population
624,703 residents of St. Louis County identify as White, or 62.2%. This makes the White share of the population of St. Louis County less than the White share of the population of Missouri (75.8% White). Of the 115 counties in Missouri, St. Louis County is ranked #113 in terms of White residents as a share of the population.
St. Louis County is more White than neighboring St. Louis County (42.9% White). St. Louis County is less White than neighboring St. Charles County (82.9% White), Jefferson County (89.7% White), Monroe County (93.5% White), and Jersey County (93.5% White).
St. Louis County's Black Population
245,168 residents of St. Louis County identify as Black, or 24.4%. This makes the Black share of the population of St. Louis County larger than the Black share of the population of Missouri (11.3% Black). Of the 115 counties in Missouri, St. Louis County is ranked #3 in terms of Black residents as a share of the population.
St. Louis County is more Black than neighboring St. Charles County (5.1% Black), Jefferson County (1% Black), Monroe County (0.3% Black), and Jersey County (0.7% Black). St. Louis County is less Black than neighboring St. Louis County (42.8% Black).
St. Louis County's Asian Population
48,552 residents of St. Louis County identify as Asian, or 4.8%. This makes the Asian share of the population of St. Louis County roughly similar to the Asian share of the population of Missouri (2.1% Asian). Of the 115 counties in Missouri, St. Louis County is ranked #1 in terms of Asian residents as a share of the population.
St. Louis County is more Asian than neighboring St. Louis County (4% Asian), St. Charles County (2.7% Asian), Jefferson County (0.8% Asian), Monroe County (0.5% Asian), and Jersey County (0.3% Asian).
St. Louis County's Hispanic Population
37,178 residents of St. Louis County identify as Hispanic, or 3.7%. This makes the Hispanic share of the population of St. Louis County roughly similar to the Hispanic share of the population of Missouri (4.9% Hispanic). Of the 115 counties in Missouri, St. Louis County is ranked #25 in terms of Hispanic residents as a share of the population.
St. Louis County is more Hispanic than neighboring Jefferson County (2.4% Hispanic), Monroe County (1.8% Hispanic), and Jersey County (1.5% Hispanic). St. Louis County is less Hispanic than neighboring St. Louis County (5.1% Hispanic), and St. Charles County (4% Hispanic).
St. Louis County's Native American/Other Population
6,474 residents of St. Louis County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.6%. This makes the Native American/Other share of the population of St. Louis County roughly similar to the Native American/Other share of the population of Missouri (0.9% Native American/Other). Of the 115 counties in Missouri, St. Louis County is ranked #63 in terms of Native American/Other residents as a share of the population.
St. Louis County is more Native American/Other than neighboring St. Charles County (0.5% Native American/Other), Monroe County (0.3% Native American/Other), and Jersey County (0.3% Native American/Other). St. Louis County is less Native American/Other than neighboring St. Louis County (0.8% Native American/Other).
St. Louis County's Multiracial Population
42,050 residents of St. Louis County identify as Multiracial, or 4.2%. This makes the Multiracial share of the population of St. Louis County roughly similar to the Multiracial share of the population of Missouri (5% Multiracial). Of the 115 counties in Missouri, St. Louis County is ranked #74 in terms of Multiracial residents as a share of the population.
St. Louis County is more Multiracial than neighboring Monroe County (3.5% Multiracial), and Jersey County (3.7% Multiracial). St. Louis County is less Multiracial than neighboring St. Louis County (4.4% Multiracial), St. Charles County (4.8% Multiracial), and Jefferson County (5.5% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.