DeKalb County Demographics

A map of DeKalb County's Population by Race

DeKalb County, Georgia had a population of 764,382 in 2020. It was 28.2% White, 50.3% Black, 6.6% Asian, 10.7% Hispanic, 0.8% Native American/Other, and 3.5% 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 4th most populous county of the 159 counties in Georgia.

DeKalb County's White Population

215,895 residents of DeKalb County identify as White, or 28.2%. This makes the White share of the population of DeKalb County considerably less than the White share of the population of Georgia (50.1% White). Of the 159 counties in Georgia, DeKalb County is ranked #154 in terms of White residents as a share of the population.

DeKalb County is more White than neighboring Rockdale County (26.2% White), and Clayton County (8.7% White). DeKalb County is less White than neighboring Fulton County (37.9% White), Gwinnett County (32.5% White), and Henry County (35.9% White).

DeKalb County's Black Population

384,438 residents of DeKalb County identify as Black, or 50.3%. This makes the Black share of the population of DeKalb County larger than the Black share of the population of Georgia (30.6% Black). Of the 159 counties in Georgia, DeKalb County is ranked #19 in terms of Black residents as a share of the population.

DeKalb County is more Black than neighboring Fulton County (42.1% Black), Gwinnett County (26.9% Black), and Henry County (48.4% Black). DeKalb County is less Black than neighboring Rockdale County (57.5% Black), and Clayton County (69% Black).

DeKalb County's Asian Population

50,076 residents of DeKalb County identify as Asian, or 6.6%. This makes the Asian share of the population of DeKalb County roughly similar to the Asian share of the population of Georgia (4.4% Asian). Of the 159 counties in Georgia, DeKalb County is ranked #4 in terms of Asian residents as a share of the population.

DeKalb County is more Asian than neighboring Rockdale County (1.6% Asian), Clayton County (4.5% Asian), and Henry County (3.3% Asian). DeKalb County is less Asian than neighboring Fulton County (7.6% Asian), and Gwinnett County (13.2% Asian).

DeKalb County's Hispanic Population

81,471 residents of DeKalb County identify as Hispanic, or 10.7%. This makes the Hispanic share of the population of DeKalb County roughly similar to the Hispanic share of the population of Georgia (10.5% Hispanic). Of the 159 counties in Georgia, DeKalb County is ranked #32 in terms of Hispanic residents as a share of the population.

DeKalb County is more Hispanic than neighboring Rockdale County (10.2% Hispanic), Fulton County (8.1% Hispanic), and Henry County (7.7% Hispanic). DeKalb County is less Hispanic than neighboring Clayton County (14.3% Hispanic), and Gwinnett County (23% Hispanic).

DeKalb County's Native American/Other Population

6,082 residents of DeKalb County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.8%. 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 Georgia (0.8% Native American/Other). Of the 159 counties in Georgia, DeKalb County is ranked #26 in terms of Native American/Other residents as a share of the population.

DeKalb County is less Native American/Other than neighboring Rockdale County (0.9% Native American/Other), Gwinnett County (0.9% Native American/Other), and Henry County (0.9% Native American/Other).

DeKalb County's Multiracial Population

26,420 residents of DeKalb County identify as Multiracial, or 3.5%. This makes the Multiracial share of the population of DeKalb County roughly similar to the Multiracial share of the population of Georgia (3.6% Multiracial). Of the 159 counties in Georgia, DeKalb County is ranked #53 in terms of Multiracial residents as a share of the population.

DeKalb County is more Multiracial than neighboring Clayton County (2.6% Multiracial). DeKalb County is less Multiracial than neighboring Rockdale County (3.6% Multiracial), and Henry County (3.9% Multiracial).

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