What is the population of DeKalb County?

The population of DeKalb County, GA is 762,009.

Where is DeKalb County located?

DeKalb County, GA is located at latitude 33.7715300 and longitude -84.2264100. It is in United States.

What is the area of DeKalb County?

The area of DeKalb County, GA is 702 km².

What is the elevation of DeKalb County?

DeKalb County, GA has an elevation of 277 meters (909 feet) above sea level.

What time zone is DeKalb County in?

DeKalb County, GA is in the America/New_York time zone.

How has the population of DeKalb County changed?

The population of DeKalb County, GA has increased from 691,893 (2010) to 762,009 (2020), a change of 10.1%.

DeKalb County, Georgia

DeKalb County: county in Georgia, United States

About

DeKalb County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 691,893 and a population density of 986 people per km². After 10 years in 2020 county had an estimated population of 762,009 inhabitants. Its county seat is Decatur. The county was created 203 years ago in 1822.

DeKalb County locator map — Location of DeKalb County on Georgia map.

County Snapshot

DeKalb County at a glance

DeKalb County currently has 22 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Georgia counties

159

Open related pages

Largest city

Brookhaven

Population 56,112

Quick Facts about DeKalb County

Population	762,009 (2020)
Country	United States of America
State	Georgia (United States)
Different from	DeKalb County, DeKalb County, DeKalb County, DeKalb County, DeKalb County
Twitter username	itsindekalb
Area	702 km²
Water as percent of area	1.3%
Land as percent of area	98.7%
Latitude & Longitude	33.7715,-84.2264
Altitude	981 feet / 299 meters
Capital	Decatur
Establishment	December 09, 1822
Time Zone	America/New_York
Local time	23:24:04 (15th April 2026)
Density	1,085 Pop. per km² as of 2020
Population growth	9.2% (2010-2020)
Weather	87℉ Mostly Sunny 7-days weather

DeKalb County Georgia Court House image

Geography

DeKalb County is located at 33°46'18"N 84°13'35"W (33.7715300, -84.2264100). It has 3 neighbors: Fulton County, Gwinnett County and Rockdale County.

DeKalb County map

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The largest city of DeKalb County is Brookhaven with a population of 56,112. Other cities include, Dunwoody population 49,326, North Atlanta population 40,456, Chamblee population 30,842 and Decatur population 25,655. See all DeKalb County cities & populated places.

DeKalb County Populated Places (more)

Cities, towns, neighborhoods & other populated places in DeKalb County.

City Name	Population	Title
Brookhaven	56,112	A city in Fulton County, Georgia.
Dunwoody	49,326	Town in DeKalb County, Georgia, USA
North Atlanta	40,456	A neighborhood in the city of Atlanta, Georgia.
Tucker	36,857	Census-designated place, Georgia, USA
Redan	33,015	Census-designated place in DeKalb County, Georgia, United States of America
Chamblee	30,842	City in DeKalb County, Georgia, United States of America
Decatur	25,655	County seat of DeKalb County, Georgia, United States
North Druid Hills	18,947	Census-designated place in DeKalb County, Georgia
North Decatur	16,698	Census-designated place in DeKalb County, Georgia
Belvedere Park	15,152	Census-designated place in DeKalb County, Georgia
Druid Hills	14,568	City in Jefferson County, Kentucky, United States of America
Clarkston	12,627	Human settlement in DeKalb County, Georgia, United States of America
Scottdale	10,631	Borough of Pennsylvania
Doraville	10,264	City in DeKalb County, Georgia, United States of America
Panthersville	9,749	Census-designated place in DeKalb County, Georgia
Gresham Park	7,432	Census-designated place in DeKalb County, Georgia

Weather

87°F

Mostly Sunny

5 to 10 mph SW Wednesday

Mostly sunny, with a high near 87.

7-Day Forecast

Official website of DeKalb County

Official Website Twitter

DeKalb County has 3 neighbours.

Fulton County county in Georgia, United States
Gwinnett County county in Georgia, United States
Rockdale County county in Georgia, United States

Decatur

Demographics

The population of DeKalb County increased by 9.2% in 10 years.

Year	Population	% Change	Method
2010	691,893	-	census
2011	698,329	0.92%	estimation process
2012	710,557	1.72%	estimation process
2013	717,740	1%	estimation process
2014	724,892	0.99%	estimation process
2015	734,434	1.3%	estimation process
2016	746,802	1.66%	estimation process
2017	751,176	0.58%	estimation process
2018	754,906	0.49%	estimation process
2019	759,297	0.58%	estimation process
2020	762,009	0.36%	estimation process

Map of countries with a smaller population than DeKalb County

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People born in DeKalb County (12)

People born in DeKalb County, including politician James L. Key, United States District Judge Charles A. Pannell, Jr., Confederate Army general Charles D. Anderson, .

More notable people

Paul Duke (American football player (1924-2009)) he was born in 24/09/1924
Robin E. Hudson (American judge) she was born in 20/02/1952
Tamera Alexander (American author) she was born in 08/08/1961
George Washington Bolton (American businessman and politician) he was born in 15/09/1841
Doreen Carter (politician) she was born in 19/03/1963
Giselle Washington (Jamaican association football player) she was born in 03/04/2001
Duke Shelley (American football player) he was born in 08/10/1996
Robert Lee Avary (Lawyer and Educator) he was born in 01/01/1863
J. Robin Harris (lawyer) he was born in 05/07/1925

Other places with the same name (5)

DeKalb County, Illinois county in Illinois, United States with a population of 104,491 people.
DeKalb County, Alabama county in Alabama, United States with a population of 71,658 people.
DeKalb County, Indiana county in Indiana, United States with a population of 43,670 people.
DeKalb County, Tennessee county in Tennessee, United States with a population of 20,837 people.
DeKalb County, Missouri county in Missouri, United States with a population of 10,944 people.

Georgia Other Counties (more counties)

County Name	Population	Title
Fulton County	1,077,402	County in Georgia, United States
Gwinnett County	942,627	County in Georgia, United States
Cobb County	762,944	County in Georgia, United States
Atlanta	512,550	The most populous city in Georgia and the center of the Atlanta metropolitan area.
Clayton County	292,646	County in Iowa, United States
Chatham County	289,463	County in Georgia, United States
Cherokee County	265,274	County in North Carolina, United States
Forsyth County	250,847	County in Georgia, United States
Henry County	239,139	County in Indiana, United States
Hall County	206,591	County in Georgia, United States
Richmond County	202,079	County in Georgia, United States
Augusta	197,166	The third most populous city in Georgia.
Muscogee County	196,442	County in Georgia, United States
Columbus	196,442	The second most populous city in Georgia.
Paulding County	173,359	County in Ohio, United States
Columbia County	160,377	County in Oregon, United States