DeKalb County Demographics

A map of DeKalb County's Population by Race

DeKalb County, Missouri had a population of 11,029 in 2020. It was 87.5% White, 6.1% Black, 0.4% Asian, 2.1% Hispanic, 0.5% Native American/Other, and 3.4% Multiracial. This map presents the population of DeKalb County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

DeKalb County is the 80th most populous county of the 115 counties in Missouri.

DeKalb County's White Population

9,653 residents of DeKalb County identify as White, or 87.5%. This makes the White share of the population of DeKalb County slightly larger than the White share of the population of Missouri (75.8% White). Of the 115 counties in Missouri, DeKalb County is ranked #77 in terms of White residents as a share of the population.

DeKalb County is more White than neighboring Buchanan County (80.7% White). DeKalb County is less White than neighboring Clinton County (90.9% White), Gentry County (95% White), Andrew County (92.4% White), and Daviess County (94% White).

DeKalb County's Black Population

672 residents of DeKalb County identify as Black, or 6.1%. This makes the Black share of the population of DeKalb County slightly less than the Black share of the population of Missouri (11.3% Black). Of the 115 counties in Missouri, DeKalb County is ranked #15 in terms of Black residents as a share of the population.

DeKalb County is more Black than neighboring Clinton County (1% Black), Gentry County (0.2% Black), Andrew County (0.8% Black), Daviess County (0.4% Black), and Buchanan County (5.1% Black).

DeKalb County's Asian Population

42 residents of DeKalb County identify as Asian, or 0.4%. This makes the Asian share of the population of DeKalb County roughly similar to the Asian share of the population of Missouri (2.1% Asian). Of the 115 counties in Missouri, DeKalb County is ranked #54 in terms of Asian residents as a share of the population.

DeKalb County is more Asian than neighboring Gentry County (0.1% Asian), and Daviess County (0.2% Asian). DeKalb County is less Asian than neighboring Andrew County (0.5% Asian), and Buchanan County (1.2% Asian).

DeKalb County's Hispanic Population

227 residents of DeKalb County identify as Hispanic, or 2.1%. This makes the Hispanic share of the population of DeKalb County roughly similar to the Hispanic share of the population of Missouri (4.9% Hispanic). Of the 115 counties in Missouri, DeKalb County is ranked #63 in terms of Hispanic residents as a share of the population.

DeKalb County is more Hispanic than neighboring Gentry County (1.5% Hispanic), and Daviess County (1.3% Hispanic). DeKalb County is less Hispanic than neighboring Clinton County (2.4% Hispanic), Andrew County (2.2% Hispanic), and Buchanan County (6.6% Hispanic).

DeKalb County's Native American/Other Population

56 residents of DeKalb County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.5%. This makes the Native American/Other share of the population of DeKalb 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, DeKalb County is ranked #83 in terms of Native American/Other residents as a share of the population.

DeKalb County is more Native American/Other than neighboring Gentry County (0.3% Native American/Other). DeKalb County is less Native American/Other than neighboring Clinton County (0.6% Native American/Other), and Buchanan County (1.2% Native American/Other).

DeKalb County's Multiracial Population

379 residents of DeKalb County identify as Multiracial, or 3.4%. This makes the Multiracial share of the population of DeKalb County roughly similar to the Multiracial share of the population of Missouri (5% Multiracial). Of the 115 counties in Missouri, DeKalb County is ranked #91 in terms of Multiracial residents as a share of the population.

DeKalb County is more Multiracial than neighboring Gentry County (2.9% Multiracial). DeKalb County is less Multiracial than neighboring Clinton County (4.7% Multiracial), Andrew County (3.7% Multiracial), Daviess County (3.6% Multiracial), and Buchanan County (5.3% Multiracial).

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