DeKalb County Demographics

A map of DeKalb County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
Black	385,532	384,438	50.4%	50.3%
White	213,872	215,895	27.9%	28.2%
Hispanic	80,839	81,471	10.6%	10.7%
Asian	46,997	50,076	6.1%	6.6%
Multiracial	32,093	26,420	4.2%	3.5%
Native American/Other	6,018	6,082	0.8%	0.8%

DeKalb County, Georgia has an estimated population of 765,351, a less than 1% change from the 764,382 recorded in the 2020 Census. The population is 50.4% Black, 27.9% White, 10.6% Hispanic, 6.1% Asian, 4.2% Multiracial, and 0.8% Native American/Other. This demographic dot map shows the population of DeKalb County, with one dot drawn for each person counted by the Census, color-coded by race.

DeKalb is about as racially diverse as it was in the 2020 Census. It is about as diverse as Georgia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In DeKalb County, that probability was 65.0% in 2020 and 65.1% in the most recent ACS estimates.

DeKalb County is ranked the 4th most populous county in Georgia, out of 159 counties. DeKalb County was ranked the 4th most populous county in the 2020 Census.

DeKalb County's White Population

213,872 residents of DeKalb County, or 27.9% of the population, identify as White. The share of White residents in DeKalb County is significantly lower than in Georgia overall, where 49.1% of the population is White. DeKalb County ranks 154th statewide in terms of White residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's White population has remained roughly the same. White residents' share of DeKalb County's population has remained roughly unchanged at 27.9%.

DeKalb County is more White than neighboring Rockdale County (24% White), and Clayton County (7.8% White). DeKalb County is less White than neighboring Fulton County (36.8% White), Gwinnett County (30.6% White), and Henry County (32.4% White).

DeKalb County's Black Population

385,532 residents of DeKalb County, or 50.4% of the population, identify as Black. The share of Black residents in DeKalb County is significantly higher than in Georgia overall, where 30.7% of the population is Black. DeKalb County ranks 19th statewide in terms of Black residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's Black population has remained roughly the same. Black residents' share of DeKalb County's population has remained roughly unchanged at 50.4%.

DeKalb County is more Black than neighboring Fulton County (42.1% Black), and Gwinnett County (27.8% Black). DeKalb County is less Black than neighboring Rockdale County (57.5% Black), Clayton County (68.5% Black), and Henry County (51.2% Black).

DeKalb County's Asian Population

46,997 residents of DeKalb County, or 6.1% of the population, identify as Asian. The share of Asian residents in DeKalb County is comparable to the share in Georgia overall, where 4.5% of the population is Asian. DeKalb County ranks 4th statewide in terms of Asian residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's Asian population has declined by an estimated 6.1%. Asian residents' share of DeKalb County's population has decreased from 6.6% to 6.1%.

DeKalb County is more Asian than neighboring Rockdale County (1.6% Asian), Clayton County (4.9% Asian), and Henry County (3.3% Asian). DeKalb County is less Asian than neighboring Fulton County (7.8% Asian), and Gwinnett County (13.2% Asian).

DeKalb County's Hispanic Population

80,839 residents of DeKalb County, or 10.6% of the population, identify as Hispanic. The share of Hispanic residents in DeKalb County is comparable to the share in Georgia overall, where 11% of the population is Hispanic. DeKalb County ranks 32nd statewide in terms of Hispanic residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's Hispanic population has remained roughly the same. Hispanic residents' share of DeKalb County's population has remained roughly unchanged at 10.6%.

DeKalb County is more Hispanic than neighboring Fulton County (8.2% Hispanic), and Henry County (8.3% Hispanic). DeKalb County is less Hispanic than neighboring Rockdale County (10.9% Hispanic), Clayton County (14.5% Hispanic), and Gwinnett County (23.7% Hispanic).

DeKalb County's Native American/Other Population

6,018 residents of DeKalb County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in DeKalb County is comparable to the share in Georgia overall, where 0.7% of the population is Native American/Other. DeKalb County ranks 26th statewide in terms of Native American/Other residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's Native American/Other population has declined by an estimated 1.1%. Native American/Other residents' share of DeKalb County's population has remained roughly unchanged at 0.8%.

DeKalb County is more Native American/Other than neighboring Gwinnett County (0.7% Native American/Other). DeKalb County is less Native American/Other than neighboring Fulton County (0.9% Native American/Other), Clayton County (0.9% Native American/Other), and Henry County (0.9% Native American/Other).

DeKalb County's Multiracial Population

32,093 residents of DeKalb County, or 4.2% of the population, identify as Multiracial. The share of Multiracial residents in DeKalb County is comparable to the share in Georgia overall, where 3.9% of the population is Multiracial. DeKalb County ranks 53rd statewide in terms of Multiracial residents as a share of the population, out of 159 counties.

Since the 2020 Census, DeKalb County's Multiracial population has grown by an estimated 21.5%. Multiracial residents' share of DeKalb County's population has increased from 3.5% to 4.2%.

DeKalb County is more Multiracial than neighboring Clayton County (3.3% Multiracial), Gwinnett County (4% Multiracial), and Henry County (3.9% Multiracial). DeKalb County is less Multiracial than neighboring Rockdale County (5.3% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.