Clay County Demographics

A map of Clay County's Population by Race

Clay County, Missouri had a population of 253,335 in 2020. It was 76.3% White, 7.0% Black, 2.4% Asian, 7.4% Hispanic, 1.2% Native American/Other, and 5.6% Multiracial. This map presents the population of Clay County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Clay County is the 6th most populous county of the 115 counties in Missouri.

Clay County's White Population

193,282 residents of Clay County identify as White, or 76.3%. This makes the White share of the population of Clay County roughly similar to the White share of the population of Missouri (75.8% White). Of the 115 counties in Missouri, Clay County is ranked #105 in terms of White residents as a share of the population.

Clay County is more White than neighboring Jackson County (58.5% White), and Wyandotte County (37.3% White). Clay County is less White than neighboring Clinton County (90.9% White), and Ray County (90.2% White).

Clay County's Black Population

17,853 residents of Clay County identify as Black, or 7.0%. This makes the Black share of the population of Clay County roughly similar to the Black share of the population of Missouri (11.3% Black). Of the 115 counties in Missouri, Clay County is ranked #14 in terms of Black residents as a share of the population.

Clay County is more Black than neighboring Clinton County (1% Black), and Ray County (1% Black). Clay County is less Black than neighboring Jackson County (21.8% Black), Platte County (7.6% Black), and Wyandotte County (20.1% Black).

Clay County's Asian Population

6,059 residents of Clay County identify as Asian, or 2.4%. This makes the Asian share of the population of Clay County roughly similar to the Asian share of the population of Missouri (2.1% Asian). Of the 115 counties in Missouri, Clay County is ranked #9 in terms of Asian residents as a share of the population.

Clay County is more Asian than neighboring Clinton County (0.4% Asian), Jackson County (2.1% Asian), and Ray County (0.3% Asian). Clay County is less Asian than neighboring Platte County (2.5% Asian), and Wyandotte County (4.5% Asian).

Clay County's Hispanic Population

18,850 residents of Clay County identify as Hispanic, or 7.4%. This makes the Hispanic share of the population of Clay County roughly similar to the Hispanic share of the population of Missouri (4.9% Hispanic). Of the 115 counties in Missouri, Clay County is ranked #11 in terms of Hispanic residents as a share of the population.

Clay County is more Hispanic than neighboring Clinton County (2.4% Hispanic), Platte County (6.7% Hispanic), and Ray County (2.5% Hispanic). Clay County is less Hispanic than neighboring Jackson County (10.8% Hispanic), and Wyandotte County (33% Hispanic).

Clay County's Native American/Other Population

3,025 residents of Clay County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 1.2%. This makes the Native American/Other share of the population of Clay 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, Clay County is ranked #12 in terms of Native American/Other residents as a share of the population.

Clay County is more Native American/Other than neighboring Clinton County (0.6% Native American/Other), Jackson County (1% Native American/Other), Wyandotte County (1% Native American/Other), and Ray County (0.8% Native American/Other). Clay County is less Native American/Other than neighboring Platte County (1.4% Native American/Other).

Clay County's Multiracial Population

14,266 residents of Clay County identify as Multiracial, or 5.6%. This makes the Multiracial share of the population of Clay County roughly similar to the Multiracial share of the population of Missouri (5% Multiracial). Of the 115 counties in Missouri, Clay County is ranked #12 in terms of Multiracial residents as a share of the population.

Clay County is more Multiracial than neighboring Clinton County (4.7% Multiracial), Platte County (5.4% Multiracial), Wyandotte County (4.2% Multiracial), and Ray County (5.1% Multiracial). Clay County is less Multiracial than neighboring Jackson County (5.7% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.