Rockdale County Demographics
A map of Rockdale County's Population by Race
Rockdale County, Georgia has an estimated population of 95,281, a slight increase from the 93,570 recorded in the 2020 Census. The population is 57.5% Black, 24.0% White, 10.9% Hispanic, 5.3% Multiracial, 1.6% Asian, and 0.8% Native American/Other. This demographic dot map shows the population of Rockdale County, with one dot drawn for each person counted by the Census, color-coded by race.
Rockdale has become slightly more racially diverse since the 2020 Census. It is considerably less diverse than Georgia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Rockdale County, that probability was 58.9% in 2020 and 59.7% in the most recent ACS estimates.
Rockdale County is ranked the 28th most populous county in Georgia, out of 159 counties. Rockdale County was ranked the 28th most populous county in the 2020 Census.
Rockdale County's White Population
22,840 residents of Rockdale County, or 24.0% of the population, identify as White. The share of White residents in Rockdale County is significantly lower than in Georgia overall, where 49.1% of the population is White. Rockdale County ranks 156th statewide in terms of White residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's White population has declined by an estimated 6.8%. White residents' share of Rockdale County's population has decreased from 26.2% to 24.0%.
Rockdale County is less White than neighboring Newton County (38.8% White), DeKalb County (27.9% White), Henry County (32.4% White), Gwinnett County (30.6% White), and Walton County (67.9% White).
Rockdale County's Black Population
54,752 residents of Rockdale County, or 57.5% of the population, identify as Black. The share of Black residents in Rockdale County is significantly higher than in Georgia overall, where 30.7% of the population is Black. Rockdale County ranks 9th statewide in terms of Black residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's Black population has grown by an estimated 1.8%. Black residents' share of Rockdale County's population has remained roughly unchanged at 57.5%.
Rockdale County is more Black than neighboring Newton County (47.3% Black), DeKalb County (50.4% Black), Henry County (51.2% Black), Gwinnett County (27.8% Black), and Walton County (18.7% Black).
Rockdale County's Asian Population
1,502 residents of Rockdale County, or 1.6% of the population, identify as Asian. The share of Asian residents in Rockdale County is slightly lower than in Georgia overall, where 4.5% of the population is Asian. Rockdale County ranks 31st statewide in terms of Asian residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's Asian population has declined by an estimated 2.0%. Asian residents' share of Rockdale County's population has remained roughly unchanged at 1.6%.
Rockdale County is more Asian than neighboring Newton County (1.5% Asian), and Walton County (1.3% Asian). Rockdale County is less Asian than neighboring DeKalb County (6.1% Asian), Henry County (3.3% Asian), and Gwinnett County (13.2% Asian).
Rockdale County's Hispanic Population
10,369 residents of Rockdale County, or 10.9% of the population, identify as Hispanic. The share of Hispanic residents in Rockdale County is comparable to the share in Georgia overall, where 11% of the population is Hispanic. Rockdale County ranks 33rd statewide in terms of Hispanic residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's Hispanic population has grown by an estimated 8.7%. Hispanic residents' share of Rockdale County's population has increased from 10.2% to 10.9%.
Rockdale County is more Hispanic than neighboring Newton County (7.1% Hispanic), DeKalb County (10.6% Hispanic), Henry County (8.3% Hispanic), and Walton County (6.6% Hispanic). Rockdale County is less Hispanic than neighboring Gwinnett County (23.7% Hispanic).
Rockdale County's Native American/Other Population
744 residents of Rockdale 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 Rockdale County is comparable to the share in Georgia overall, where 0.7% of the population is Native American/Other. Rockdale County ranks 15th statewide in terms of Native American/Other residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's Native American/Other population has declined by an estimated 13.2%. Native American/Other residents' share of Rockdale County's population has remained roughly unchanged at 0.8%.
Rockdale County is more Native American/Other than neighboring Newton County (0.3% Native American/Other), and Gwinnett County (0.7% Native American/Other). Rockdale County is less Native American/Other than neighboring Henry County (0.9% Native American/Other), and Walton County (1% Native American/Other).
Rockdale County's Multiracial Population
5,074 residents of Rockdale County, or 5.3% of the population, identify as Multiracial. The share of Multiracial residents in Rockdale County is comparable to the share in Georgia overall, where 3.9% of the population is Multiracial. Rockdale County ranks 47th statewide in terms of Multiracial residents as a share of the population, out of 159 counties.
Since the 2020 Census, Rockdale County's Multiracial population has grown by an estimated 51.2%. Multiracial residents' share of Rockdale County's population has increased from 3.6% to 5.3%.
Rockdale County is more Multiracial than neighboring Newton County (5% Multiracial), DeKalb County (4.2% Multiracial), Henry County (3.9% Multiracial), Gwinnett County (4% Multiracial), and Walton County (4.4% 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.