Cobb County Demographics

A map of Cobb County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	364,994	369,182	47.1%	48.2%
Black	204,510	200,072	26.4%	26.1%
Hispanic	116,854	111,240	15.1%	14.5%
Asian	42,241	42,533	5.4%	5.6%
Multiracial	38,786	34,158	5.0%	4.5%
Native American/Other	7,823	8,964	1.0%	1.2%

Cobb County, Georgia has an estimated population of 775,208, a slight increase from the 766,149 recorded in the 2020 Census. The population is 47.1% White, 26.4% Black, 15.1% Hispanic, 5.4% Asian, 5.0% Multiracial, and 1.0% Native American/Other. This demographic dot map shows the population of Cobb County, with one dot drawn for each person counted by the Census, color-coded by race.

Cobb has become slightly more racially diverse since the 2020 Census. It is more 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 Cobb County, that probability was 67.3% in 2020 and 68.0% in the most recent ACS estimates.

Cobb County is ranked the 3rd most populous county in Georgia, out of 159 counties. Cobb County was ranked the 3rd most populous county in the 2020 Census.

Cobb County's White Population

364,994 residents of Cobb County, or 47.1% of the population, identify as White. The share of White residents in Cobb County is comparable to the share in Georgia overall, where 49.1% of the population is White. Cobb County ranks 127th statewide in terms of White residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's White population has declined by an estimated 1.1%. White residents' share of Cobb County's population has decreased from 48.2% to 47.1%.

Cobb County is more White than neighboring Fulton County (36.8% White), Douglas County (31.1% White), and DeKalb County (27.9% White). Cobb County is less White than neighboring Paulding County (61% White), and Cherokee County (73.9% White).

Cobb County's Black Population

204,510 residents of Cobb County, or 26.4% of the population, identify as Black. The share of Black residents in Cobb County is slightly lower than in Georgia overall, where 30.7% of the population is Black. Cobb County ranks 82nd statewide in terms of Black residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's Black population has grown by an estimated 2.2%. Black residents' share of Cobb County's population has remained roughly unchanged at 26.4%.

Cobb County is more Black than neighboring Paulding County (23.1% Black), and Cherokee County (7% Black). Cobb County is less Black than neighboring Fulton County (42.1% Black), Douglas County (49.2% Black), and DeKalb County (50.4% Black).

Cobb County's Asian Population

42,241 residents of Cobb County, or 5.4% of the population, identify as Asian. The share of Asian residents in Cobb County is comparable to the share in Georgia overall, where 4.5% of the population is Asian. Cobb County ranks 5th statewide in terms of Asian residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's Asian population has remained roughly the same. Asian residents' share of Cobb County's population has remained roughly unchanged at 5.4%.

Cobb County is more Asian than neighboring Paulding County (1.5% Asian), Douglas County (1.8% Asian), and Cherokee County (2.4% Asian). Cobb County is less Asian than neighboring Fulton County (7.8% Asian), and DeKalb County (6.1% Asian).

Cobb County's Hispanic Population

116,854 residents of Cobb County, or 15.1% of the population, identify as Hispanic. The share of Hispanic residents in Cobb County is slightly higher than in Georgia overall, where 11% of the population is Hispanic. Cobb County ranks 14th statewide in terms of Hispanic residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's Hispanic population has grown by an estimated 5.0%. Hispanic residents' share of Cobb County's population has increased from 14.5% to 15.1%.

Cobb County is more Hispanic than neighboring Fulton County (8.2% Hispanic), Paulding County (8.7% Hispanic), Douglas County (12.2% Hispanic), Cherokee County (12.4% Hispanic), and DeKalb County (10.6% Hispanic).

Cobb County's Native American/Other Population

7,823 residents of Cobb County, or 1.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Cobb County is comparable to the share in Georgia overall, where 0.7% of the population is Native American/Other. Cobb County ranks 4th statewide in terms of Native American/Other residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's Native American/Other population has declined by an estimated 12.7%. Native American/Other residents' share of Cobb County's population has remained roughly unchanged at 1.0%.

Cobb County is more Native American/Other than neighboring Fulton County (0.9% Native American/Other), Paulding County (0.5% Native American/Other), Cherokee County (0.6% Native American/Other), and DeKalb County (0.8% Native American/Other). Cobb County is less Native American/Other than neighboring Douglas County (1.4% Native American/Other).

Cobb County's Multiracial Population

38,786 residents of Cobb County, or 5.0% of the population, identify as Multiracial. The share of Multiracial residents in Cobb County is comparable to the share in Georgia overall, where 3.9% of the population is Multiracial. Cobb County ranks 15th statewide in terms of Multiracial residents as a share of the population, out of 159 counties.

Since the 2020 Census, Cobb County's Multiracial population has grown by an estimated 13.5%. Multiracial residents' share of Cobb County's population has increased from 4.5% to 5.0%.

Cobb County is more Multiracial than neighboring Fulton County (4.2% Multiracial), Douglas County (4.3% Multiracial), Cherokee County (3.7% Multiracial), and DeKalb County (4.2% Multiracial). Cobb County is less Multiracial than neighboring Paulding County (5.2% 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.