Decatur, GA Demographics

A map of Decatur's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	16,147	16,796	65.9%	67.4%
Black	3,011	3,839	12.3%	15.4%
Hispanic	2,171	1,294	8.9%	5.2%
Multiracial	1,920	1,481	7.8%	5.9%
Asian	1,189	1,317	4.8%	5.3%
Native American/Other	80	201	0.3%	0.8%

Decatur, Georgia has an estimated population of 24,518, a slight decrease from the 24,928 recorded in the 2020 Census. The population is 65.9% White, 12.3% Black, 8.9% Hispanic, 7.8% Multiracial, 4.8% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Decatur, with one dot drawn for each person counted by the Census, color-coded by race.

Decatur has become 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 Decatur, that probability was 51.3% in 2020 and 53.5% in the most recent ACS estimates.

Decatur is ranked the 49th most populous place in Georgia, out of 675 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Decatur was ranked the 49th most populous place in the 2020 Census.

Decatur's White Population

16,147 residents of Decatur, or 65.9% of the population, identify as White. The share of White residents in Decatur is significantly higher than in Georgia overall, where 49.1% of the population is White. Decatur ranks 271st statewide in terms of White residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's White population has declined by an estimated 3.9%. White residents' share of Decatur's population has decreased from 67.4% to 65.9%.

Decatur is more White than neighboring North Decatur (59.4% White), Scottdale (29.2% White), and Belvedere Park (29.9% White). Decatur is less White than neighboring Avondale Estates (82.1% White), and Druid Hills (76.6% White).

Decatur's Black Population

3,011 residents of Decatur, or 12.3% of the population, identify as Black. The share of Black residents in Decatur is significantly lower than in Georgia overall, where 30.7% of the population is Black. Decatur ranks 416th statewide in terms of Black residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's Black population has declined by an estimated 21.6%. Black residents' share of Decatur's population has decreased from 15.4% to 12.3%.

Decatur is more Black than neighboring Avondale Estates (11% Black), and Druid Hills (4.3% Black). Decatur is less Black than neighboring North Decatur (17.6% Black), Scottdale (29.2% Black), and Belvedere Park (57.8% Black).

Decatur's Asian Population

1,189 residents of Decatur, or 4.8% of the population, identify as Asian. The share of Asian residents in Decatur is comparable to the share in Georgia overall, where 4.5% of the population is Asian. Decatur ranks 47th statewide in terms of Asian residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's Asian population has declined by an estimated 9.7%. Asian residents' share of Decatur's population has decreased from 5.3% to 4.8%.

Decatur is more Asian than neighboring Avondale Estates (0.8% Asian), and Belvedere Park (1.2% Asian). Decatur is less Asian than neighboring Druid Hills (7% Asian), North Decatur (10.7% Asian), and Scottdale (15.9% Asian).

Decatur's Hispanic Population

2,171 residents of Decatur, or 8.9% of the population, identify as Hispanic. The share of Hispanic residents in Decatur is slightly lower than in Georgia overall, where 11% of the population is Hispanic. Decatur ranks 309th statewide in terms of Hispanic residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's Hispanic population has grown by an estimated 67.8%. Hispanic residents' share of Decatur's population has increased from 5.2% to 8.9%.

Decatur is more Hispanic than neighboring Avondale Estates (1.1% Hispanic), Druid Hills (6.3% Hispanic), North Decatur (7.2% Hispanic), and Belvedere Park (3.7% Hispanic). Decatur is less Hispanic than neighboring Scottdale (17.8% Hispanic).

Decatur's Native American/Other Population

80 residents of Decatur, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Decatur is comparable to the share in Georgia overall, where 0.7% of the population is Native American/Other. Decatur ranks 190th statewide in terms of Native American/Other residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's Native American/Other population has declined by an estimated 60.2%. Native American/Other residents' share of Decatur's population has decreased from 0.8% to 0.3%.

Decatur is more Native American/Other than neighboring Avondale Estates (0.1% Native American/Other), and North Decatur (0.1% Native American/Other). Decatur is less Native American/Other than neighboring Druid Hills (0.4% Native American/Other), Scottdale (1.8% Native American/Other), and Belvedere Park (1.7% Native American/Other).

Decatur's Multiracial Population

1,920 residents of Decatur, or 7.8% of the population, identify as Multiracial. The share of Multiracial residents in Decatur is slightly higher than in Georgia overall, where 3.9% of the population is Multiracial. Decatur ranks 40th statewide in terms of Multiracial residents as a share of the population, out of 675 places.

Since the 2020 Census, Decatur's Multiracial population has grown by an estimated 29.6%. Multiracial residents' share of Decatur's population has increased from 5.9% to 7.8%.

Decatur is more Multiracial than neighboring Avondale Estates (4.9% Multiracial), Druid Hills (5.4% Multiracial), North Decatur (4.9% Multiracial), Scottdale (6% Multiracial), and Belvedere Park (5.7% 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.