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US ZIP Code Profile

ZIP Code 30066
Marietta, Georgia

ZIP code 30066 is in Marietta, located in Cobb County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 62,417. The estimated median adjusted gross income per tax return is $60,753, and about 13% of filers report $200,000 or more.

2020 Population
62,417
Census ZCTA
County
Cobb
FIPS 13067
Median income (est.)
$60,753
IRS SOI 2022
Land Area
27.252 mi²
+ 0.257 mi² water

01Location & Geography

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

Primary CityMarietta, GA
CountyCobb County (FIPS 13067)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates34.032387, -84.50516
Land / Water Area27.252 mi² land · 0.257 mi² water

02Income & Economics

Distribution of the 28,900 individual tax returns filed in 30066 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
26.2%
$25K–$50K
18.2%
$50K–$75K
12.9%
$75K–$100K
9.7%
$100K–$200K
20.3%
$200K+
12.6%
The $200,000+ bracket accounts for 46% of 30066's total adjusted gross income, from 13% of returns — a concentration that drives the gap between the median ($60,753) 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 30066's IRS income metrics, 2020–2022.

Median income (2021→2022)
$60,753
▲ 5.2%
Filers earning $200K+
12.6%
▲ 1.2 pt
Total filers
28,900
▲ 1.3%
GET /zipc/v2/zipcodes/30066/soi?year=… $51K 2020 $58K 2021 $61K 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 30066 ZCTA.

2000
50,994
 
2010
52,936
▲ +3.8%
2020
62,417
▲ +17.9%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 30066. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 30066

Marietta and its immediate neighbors, sorted by distance.

3 mi
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Distance from 30066 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 Number125588
City AliasesMarietta

07Frequently Asked Questions

What county is ZIP code 30066 in?

ZIP code 30066 is in Cobb County, Georgia (county FIPS code 13067).

What city is ZIP code 30066?

The primary USPS city for 30066 is Marietta, GA.

What metro area (MSA) is 30066 in?

30066 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30066?

The 2020 Census population of 30066 was 62,417 residents.

What is the median income in ZIP code 30066?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30066 is about $60,753, with around 13% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.