Gwinnett County Demographics

A map of Gwinnett County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	300,049	310,583	30.6%	32.5%
Black	272,310	257,124	27.8%	26.9%
Hispanic	232,470	220,460	23.7%	23.0%
Asian	129,422	126,526	13.2%	13.2%
Multiracial	38,933	33,961	4.0%	3.5%
Native American/Other	6,680	8,408	0.7%	0.9%

Gwinnett County, Georgia has an estimated population of 979,864, a slight increase from the 957,062 recorded in the 2020 Census. The population is 30.6% White, 27.8% Black, 23.7% Hispanic, 13.2% Asian, 4.0% Multiracial, and 0.7% Native American/Other. This demographic dot map shows the population of Gwinnett County, with one dot drawn for each person counted by the Census, color-coded by race.

Gwinnett is about as racially diverse as it was in the 2020 Census. It is considerably 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 Gwinnett County, that probability was 75.1% in 2020 and 75.4% in the most recent ACS estimates.

Gwinnett County is ranked the 2nd most populous county in Georgia, out of 159 counties. Gwinnett County was ranked the 2nd most populous county in the 2020 Census.

Gwinnett County's White Population

300,049 residents of Gwinnett County, or 30.6% of the population, identify as White. The share of White residents in Gwinnett County is significantly lower than in Georgia overall, where 49.1% of the population is White. Gwinnett County ranks 152nd statewide in terms of White residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's White population has declined by an estimated 3.4%. White residents' share of Gwinnett County's population has decreased from 32.5% to 30.6%.

Gwinnett County is more White than neighboring DeKalb County (27.9% White), and Rockdale County (24% White). Gwinnett County is less White than neighboring Forsyth County (61.8% White), Barrow County (62.8% White), and Walton County (67.9% White).

Gwinnett County's Black Population

272,310 residents of Gwinnett County, or 27.8% of the population, identify as Black. The share of Black residents in Gwinnett County is slightly lower than in Georgia overall, where 30.7% of the population is Black. Gwinnett County ranks 78th statewide in terms of Black residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's Black population has grown by an estimated 5.9%. Black residents' share of Gwinnett County's population has increased from 26.9% to 27.8%.

Gwinnett County is more Black than neighboring Forsyth County (4.2% Black), Barrow County (13.7% Black), and Walton County (18.7% Black). Gwinnett County is less Black than neighboring DeKalb County (50.4% Black), and Rockdale County (57.5% Black).

Gwinnett County's Asian Population

129,422 residents of Gwinnett County, or 13.2% of the population, identify as Asian. The share of Asian residents in Gwinnett County is higher than in Georgia overall, where 4.5% of the population is Asian. Gwinnett County ranks 2nd statewide in terms of Asian residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's Asian population has grown by an estimated 2.3%. Asian residents' share of Gwinnett County's population has remained roughly unchanged at 13.2%.

Gwinnett County is more Asian than neighboring DeKalb County (6.1% Asian), Rockdale County (1.6% Asian), Barrow County (4% Asian), and Walton County (1.3% Asian). Gwinnett County is less Asian than neighboring Forsyth County (19.6% Asian).

Gwinnett County's Hispanic Population

232,470 residents of Gwinnett County, or 23.7% of the population, identify as Hispanic. The share of Hispanic residents in Gwinnett County is considerably higher than in Georgia overall, where 11% of the population is Hispanic. Gwinnett County ranks 5th statewide in terms of Hispanic residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's Hispanic population has grown by an estimated 5.4%. Hispanic residents' share of Gwinnett County's population has increased from 23.0% to 23.7%.

Gwinnett County is more Hispanic than neighboring DeKalb County (10.6% Hispanic), Forsyth County (10.1% Hispanic), Rockdale County (10.9% Hispanic), Barrow County (15.3% Hispanic), and Walton County (6.6% Hispanic).

Gwinnett County's Native American/Other Population

6,680 residents of Gwinnett County, or 0.7% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Gwinnett County is comparable to the share in Georgia overall, where 0.7% of the population is Native American/Other. Gwinnett County ranks 18th statewide in terms of Native American/Other residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's Native American/Other population has declined by an estimated 20.6%. Native American/Other residents' share of Gwinnett County's population has remained roughly unchanged at 0.7%.

Gwinnett County is more Native American/Other than neighboring Barrow County (0.4% Native American/Other). Gwinnett County is less Native American/Other than neighboring DeKalb County (0.8% Native American/Other), Rockdale County (0.8% Native American/Other), and Walton County (1% Native American/Other).

Gwinnett County's Multiracial Population

38,933 residents of Gwinnett County, or 4.0% of the population, identify as Multiracial. The share of Multiracial residents in Gwinnett County is comparable to the share in Georgia overall, where 3.9% of the population is Multiracial. Gwinnett County ranks 48th statewide in terms of Multiracial residents as a share of the population, out of 159 counties.

Since the 2020 Census, Gwinnett County's Multiracial population has grown by an estimated 14.6%. Multiracial residents' share of Gwinnett County's population has increased from 3.5% to 4.0%.

Gwinnett County is more Multiracial than neighboring Forsyth County (3.7% Multiracial), and Barrow County (3.7% Multiracial). Gwinnett County is less Multiracial than neighboring DeKalb County (4.2% Multiracial), Rockdale County (5.3% 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.