Jefferson County Demographics
A map of Jefferson County's Population by Race
Race | Population | Percent |
|---|---|---|
White | 203,287 | 89.7% |
Multiracial | 12,456 | 5.5% |
Hispanic | 5,552 | 2.4% |
Black | 2,295 | 1.0% |
Asian | 1,839 | 0.8% |
Native American/Other | 1,310 | 0.6% |
Jefferson County, Missouri had a population of 226,739 in 2020. It was 89.7% White, 1.0% Black, 0.8% Asian, 2.4% Hispanic, 0.6% Native American/Other, and 5.5% Multiracial. This map presents the population of Jefferson County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.
Jefferson County is the 7th most populous county of the 115 counties in Missouri.
Jefferson County's White Population
203,287 residents of Jefferson County identify as White, or 89.7%. This makes the White share of the population of Jefferson County larger than the White share of the population of Missouri (75.8% White). Of the 115 counties in Missouri, Jefferson County is ranked #69 in terms of White residents as a share of the population.
Jefferson County is more White than neighboring St. Louis County (62.2% White), St. Francois County (88.9% White), and St. Louis County (42.9% White). Jefferson County is less White than neighboring Monroe County (93.5% White), and Washington County (90.9% White).
Jefferson County's Black Population
2,295 residents of Jefferson County identify as Black, or 1.0%. This makes the Black share of the population of Jefferson County slightly less than the Black share of the population of Missouri (11.3% Black). Of the 115 counties in Missouri, Jefferson County is ranked #55 in terms of Black residents as a share of the population.
Jefferson County is more Black than neighboring Monroe County (0.3% Black). Jefferson County is less Black than neighboring St. Louis County (24.4% Black), Washington County (2.6% Black), St. Francois County (4% Black), and St. Louis County (42.8% Black).
Jefferson County's Asian Population
1,839 residents of Jefferson County identify as Asian, or 0.8%. This makes the Asian share of the population of Jefferson County roughly similar to the Asian share of the population of Missouri (2.1% Asian). Of the 115 counties in Missouri, Jefferson County is ranked #22 in terms of Asian residents as a share of the population.
Jefferson County is more Asian than neighboring Monroe County (0.5% Asian), Washington County (0.2% Asian), and St. Francois County (0.6% Asian). Jefferson County is less Asian than neighboring St. Louis County (4.8% Asian), and St. Louis County (4% Asian).
Jefferson County's Hispanic Population
5,552 residents of Jefferson County identify as Hispanic, or 2.4%. This makes the Hispanic share of the population of Jefferson County roughly similar to the Hispanic share of the population of Missouri (4.9% Hispanic). Of the 115 counties in Missouri, Jefferson County is ranked #45 in terms of Hispanic residents as a share of the population.
Jefferson County is more Hispanic than neighboring Monroe County (1.8% Hispanic), Washington County (1% Hispanic), and St. Francois County (1.6% Hispanic). Jefferson County is less Hispanic than neighboring St. Louis County (3.7% Hispanic), and St. Louis County (5.1% Hispanic).
Jefferson County's Native American/Other Population
1,310 residents of Jefferson 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 Jefferson 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, Jefferson County is ranked #71 in terms of Native American/Other residents as a share of the population.
Jefferson County is more Native American/Other than neighboring Monroe County (0.3% Native American/Other). Jefferson County is less Native American/Other than neighboring St. Louis County (0.8% Native American/Other).
Jefferson County's Multiracial Population
12,456 residents of Jefferson County identify as Multiracial, or 5.5%. This makes the Multiracial share of the population of Jefferson County roughly similar to the Multiracial share of the population of Missouri (5% Multiracial). Of the 115 counties in Missouri, Jefferson County is ranked #17 in terms of Multiracial residents as a share of the population.
Jefferson County is more Multiracial than neighboring Monroe County (3.5% Multiracial), St. Louis County (4.2% Multiracial), Washington County (4.8% Multiracial), St. Francois County (4.3% Multiracial), and St. Louis County (4.4% Multiracial).
Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.