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US ZIP Code Profile

ZIP Code 30008
Marietta, Georgia

ZIP code 30008 is in Marietta, located in Cobb County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 32,435. The estimated median adjusted gross income per tax return is $35,950, and about 2% of filers report $200,000 or more.

2020 Population
32,435
Census ZCTA
County
Cobb
FIPS 13067
Median income (est.)
$35,950
IRS SOI 2022
Land Area
9.456 mi²
+ 0.011 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
Coordinates33.900566, -84.59093
Land / Water Area9.456 mi² land · 0.011 mi² water

02Income & Economics

Distribution of the 14,130 individual tax returns filed in 30008 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
38.0%
$25K–$50K
27.4%
$50K–$75K
13.9%
$75K–$100K
8.3%
$100K–$200K
10.6%
$200K+
1.8%
The $200,000+ bracket accounts for 10% of 30008's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($35,950) 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 30008's IRS income metrics, 2020–2022.

Median income (2021→2022)
$35,950
▲ 7.7%
Filers earning $200K+
1.8%
▲ 0.4 pt
Total filers
14,130
▲ 0.1%
GET /zipc/v2/zipcodes/30008/soi?year=… $31K 2020 $33K 2021 $36K 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 30008 ZCTA.

2000
31,330
 
2010
29,822
▼ -4.8%
2020
32,435
▲ +8.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 30008. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 30008

Marietta and its immediate neighbors, sorted by distance.

3 mi
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Distance from 30008 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 30008 in?

ZIP code 30008 is in Cobb County, Georgia (county FIPS code 13067).

What city is ZIP code 30008?

The primary USPS city for 30008 is Marietta, GA.

What metro area (MSA) is 30008 in?

30008 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30008?

The 2020 Census population of 30008 was 32,435 residents.

What is the median income in ZIP code 30008?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30008 is about $35,950, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.