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US ZIP Code Profile

ZIP Code 30030
Decatur, Georgia

ZIP code 30030 is in Decatur, located in Dekalb County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 32,364. The estimated median adjusted gross income per tax return is $86,450, and about 25% of filers report $200,000 or more.

2020 Population
32,364
Census ZCTA
County
Dekalb
FIPS 13089
Median income (est.)
$86,450
IRS SOI 2022
Land Area
6.521 mi²
+ 0.005 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityDecatur, GA
CountyDekalb County (FIPS 13089)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates33.771946, -84.29027
Land / Water Area6.521 mi² land · 0.005 mi² water

02Income & Economics

Distribution of the 14,540 individual tax returns filed in 30030 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.7%
$25K–$50K
13.3%
$50K–$75K
11.9%
$75K–$100K
9.0%
$100K–$200K
20.2%
$200K+
24.9%
The $200,000+ bracket accounts for 69% of 30030's total adjusted gross income, from 25% of returns — a concentration that drives the gap between the median ($86,450) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 30030's IRS income metrics, 2020–2022.

Median income (2021→2022)
$86,450
▲ 4.6%
Filers earning $200K+
24.9%
▲ 1.8 pt
Total filers
14,540
▲ 2.3%
GET /zipc/v2/zipcodes/30030/soi?year=… $74K 2020 $83K 2021 $86K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 30030 ZCTA.

2000
25,137
 
2010
26,473
▲ +5.3%
2020
32,364
▲ +22.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 30030. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 30030

Decatur and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 30030 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortB
USPS Finance Number122442
City AliasesDecatur

07Frequently Asked Questions

What county is ZIP code 30030 in?

ZIP code 30030 is in Dekalb County, Georgia (county FIPS code 13089).

What city is ZIP code 30030?

The primary USPS city for 30030 is Decatur, GA.

What metro area (MSA) is 30030 in?

30030 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30030?

The 2020 Census population of 30030 was 32,364 residents.

What is the median income in ZIP code 30030?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30030 is about $86,450, with around 25% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.