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US ZIP Code Profile

ZIP Code 30033
Decatur, Georgia

ZIP code 30033 is in Decatur, located in Dekalb County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 33,189. The estimated median adjusted gross income per tax return is $72,831, and about 16% of filers report $200,000 or more.

2020 Population
33,189
Census ZCTA
County
Dekalb
FIPS 13089
Median income (est.)
$72,831
IRS SOI 2022
Land Area
9.247 mi²
+ 0.036 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
Coordinates33.81166, -84.28323
Land / Water Area9.247 mi² land · 0.036 mi² water

02Income & Economics

Distribution of the 15,580 individual tax returns filed in 30033 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.9%
$25K–$50K
16.3%
$50K–$75K
14.1%
$75K–$100K
10.8%
$100K–$200K
22.4%
$200K+
15.5%
The $200,000+ bracket accounts for 53% of 30033's total adjusted gross income, from 16% of returns — a concentration that drives the gap between the median ($72,831) 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 30033's IRS income metrics, 2020–2022.

Median income (2021→2022)
$72,831
▲ 4.1%
Filers earning $200K+
15.5%
▲ 1.5 pt
Total filers
15,580
▲ 0.6%
GET /zipc/v2/zipcodes/30033/soi?year=… $64K 2020 $70K 2021 $73K 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 30033 ZCTA.

2000
27,046
 
2010
30,763
▲ +13.7%
2020
33,189
▲ +7.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 30033. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 30033

Decatur and its immediate neighbors, sorted by distance.

3 mi
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Distance from 30033 to any ZIP

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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, North Decatur, Vista Grove

07Frequently Asked Questions

What county is ZIP code 30033 in?

ZIP code 30033 is in Dekalb County, Georgia (county FIPS code 13089).

What city is ZIP code 30033?

The primary USPS city for 30033 is Decatur, GA.

What metro area (MSA) is 30033 in?

30033 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30033?

The 2020 Census population of 30033 was 33,189 residents.

What is the median income in ZIP code 30033?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30033 is about $72,831, with around 16% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.