Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/GA/COUNTY/DEKALB

DeKalb County, GA ZIP codes

There are 45 ZIP codes in DeKalb County, GA, in 12 towns, from 30002 to 39901. The largest are 30058 (Lithonia), 30083 (Stone Mountain) and 30034 (Decatur).

The county seat is Decatur.

ZIP codes
45
Towns
12
County seat
Decatur
County FIPS
13089
State
Georgia
Population
765,351
Median household income
$80,644
Land area
268 sq mi
Area codes
404, 470, 678, 770, 943

DeKalb County ZIP codes by town

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of DeKalb County ZIP codes

300023002130030300313003230033300343003530036300373003830058300723007430079300833008430085300863008730088302883029430307303163031730319303223032930333303383034030341303453034630356303593036030362303663111931141311453114639901

The ZIP codes of DeKalb County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

DeKalb County in numbers

About 765,351 people live in DeKalb County, in 287,239 households, the 4th most populous of Georgia's 159 counties. The median household income is $80,644 a year, 4% above the Georgia median of $77,353 (US: $80,734). The median owner-occupied home is valued at $357,800 (18% above the Georgia median), and median gross rent is $1,692 a month. The median age is 36.4; 47.4% of adults 25 and over hold a bachelor's degree or higher (34.9% across Georgia); the average commute takes 30 minutes.

Population765,351DeKalb765,351
Households287,239DeKalb287,239
Median age36.4DeKalb36.4Georgia37.6US 38.9
Median household income$80,644DeKalb$80,644Georgia$77,353US $80,734
Median home value$357,800DeKalb$357,800Georgia$303,300US $332,700
Median gross rent$1,692DeKalb$1,692Georgia$1,393US $1,413
Bachelor's degree or higher47.4%DeKalb47.4%Georgia34.9%US 35.7%
Mean commute30.4 minDeKalb30.4 minGeorgia28.3 minUS 26.4 min
Population density2,859 / sq miDeKalb2,859 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in DeKalb County

Largest towns in DeKalb County
TownZIP codesPopulation
Atlanta 22 505,268
Ellenwood 1 41,983
Tucker 2 37,123
Redan 1 31,017
Decatur 8 24,518
Clarkston 1 14,557
Scottdale 1 10,542
Stone Mountain 4 6,623
Conley 1 5,822
Avondale Estates 1 3,530
Lithonia 2 2,622
Pine Lake 1 882

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with DeKalb County.

Not sure you are in DeKalb County? What county am I in? answers from your location, near a county line included.

Every ZIP code in DeKalb County, with figures

ZIP codes in DeKalb County
ZIP City Type Population Median income Median home
30002 Avondale Estates , GA Standard 5,225 $89,750 $531,900
30021 Clarkston , GA Standard 27,781 $52,278 $275,400
30030 Decatur , GA Standard 31,756 $126,830 $631,500
30031 Decatur , GA No street area — — —
30032 Decatur , GA Standard 42,948 $62,765 $273,600
30033 Decatur , GA Standard 31,310 $111,616 $455,300
30034 Decatur , GA Standard 41,847 $63,517 $251,400
30035 Decatur , GA Standard 21,569 $66,799 $244,200
30036 Decatur , GA No street area — — —
30037 Decatur , GA No street area — — —
30038 Lithonia , GA Standard 43,776 $73,694 $247,000
30058 Lithonia , GA Standard 62,614 $61,684 $249,500
30072 Pine Lake , GA Standard 800 $78,750 $310,000
30074 Redan , GA No street area — — —
30079 Scottdale , GA Standard 4,831 $82,500 $347,700
30083 Stone Mountain , GA Standard 62,724 $55,307 $242,000
30084 Tucker , GA Standard 38,242 $81,304 $360,500
30085 Tucker , GA No street area — — —
30086 Stone Mountain , GA No street area — — —
30087 Stone Mountain , GA Standard 38,977 $96,491 $348,000
30088 Stone Mountain , GA Standard 29,240 $70,325 $238,700
30288 Conley , GA Standard 8,116 $51,511 $237,900
30294 Ellenwood , GA Standard 41,983 $79,762 $260,200
30307 Atlanta , GA Standard 21,709 $140,677 $727,200
30316 Atlanta , GA Standard 35,107 $102,891 $443,400
30317 Atlanta , GA Standard 15,622 $107,955 $541,100
30319 Atlanta , GA Standard 45,985 $130,648 $762,500
30322 Atlanta , GA Standard 2,521 — —
30329 Atlanta , GA Standard 27,278 $76,579 $488,300
30333 Atlanta , GA No street area — — —
30338 Atlanta , GA Standard 39,465 $135,148 $611,300
30340 Atlanta , GA Standard 30,062 $62,748 $344,000
30341 Atlanta , GA Standard 36,021 $86,313 $463,100
30345 Atlanta , GA Standard 24,492 $112,054 $573,800
30346 Atlanta , GA Standard 4,411 $95,000 $595,900
30356 Atlanta , GA No street area — — —
30359 Atlanta , GA No street area — — —
30360 Atlanta , GA Standard 16,855 $97,543 $425,700
30362 Atlanta , GA No street area — — —
30366 Atlanta , GA No street area — — —
31119 Atlanta , GA No street area — — —
31141 Atlanta , GA No street area — — —
31145 Atlanta , GA No street area — — —
31146 Atlanta , GA No street area — — —
39901 Atlanta , GA No street area — — —

Cite this page

zipcodes.pro. “DeKalb County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/ga/county/dekalb

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