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County ProfileGA

DeKalb County

Population: 764,382 · 21 ZIP codes

Demographics

Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.

People
Total population
764,382
People
Median age
36.4
Housing
Total households
287,239
Income
Median household income
$80,644
Housing
Total housing units
330,830
Employment
Employment rate
63.8%
Education
Bachelor’s degree or higher
47.4%
Healthcare
Insured population
87.3%
County details
Local time 01:53:01(ET)
NameDeKalb
Total ZIP codes21total
ZIP codes (by type)
14 Standard7 PO Box
Area code404, 470, 678, 770, 943
TimezoneEastern Time (ET)
Coordinates33.7706611, -84.2263432
Land area267.7 sq miles(693.2 km²)

Map of DeKalb county, Georgia with ZIP codes

Map of DeKalb County, Georgia and ZIP codes

Cities and Communities in DeKalb County

Compare the largest cities in DeKalb County by population, median income, and growth. Use the table below to analyze key demographic shifts across the region.

CityPopulation
Median incomeHousehold
ZIP codes
Tucker37,005$80,3172ZIPs
Redan31,749$65,2271ZIPs
Decatur24,928$139,3978ZIPs
Clarkston14,756$48,5641ZIPs
Scottdale10,698$85,6101ZIPs
Stone Mountain6,703$46,9734ZIPs
Avondale Estates3,567$123,7951ZIPs
Lithonia2,662$61,7132ZIPs
Pine Lake752$79,7921ZIPs

Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.

ZIP Codes in DeKalb County

Review the most populated postal areas across DeKalb County. Use the ranking below to compare resident density and demographic scales between the county's major zones.

ZIPCity
Median incomeHousehold
Population (ZIP)
30058Lithonia$61,68459,445
30083Stone Mountain$55,30758,064
30034Decatur$63,51747,450
30032Decatur$62,76544,697
30038Lithonia$73,69443,683
30084Tucker$81,30441,654
30087Stone Mountain$96,49138,743
30033Decatur$111,61633,189
30030Decatur$126,83032,364
30088Stone Mountain$70,32527,945
30021Clarkston$52,27825,442
30035Decatur$66,79922,671
30002Avondale Estates$89,7506,103
30079Scottdale$82,5003,696
30072Pine Lake$78,750625
30031Decatur
30036Decatur
30037Decatur
30074Redan
30085Tucker

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
  • United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS