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US ZIP Code Profile

ZIP Code 30055
Mansfield, Georgia

ZIP code 30055 is in Mansfield, located in Newton County, Georgia, within the Atlanta-Sandy Springs-Roswell metro area. Its 2020 Census population was 3,647. The estimated median adjusted gross income per tax return is $52,778, and about 6% of filers report $200,000 or more.

2020 Population
3,647
Census ZCTA
County
Newton
FIPS 13217
Median income (est.)
$52,778
IRS SOI 2022
Land Area
51.355 mi²
+ 1.125 mi² water

01Location & Geography

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

Primary CityMansfield, GA
CountyNewton County (FIPS 13217)
StateGeorgia (FIPS 13)
Metro Area (MSA)Atlanta-Sandy Springs-Roswell, GA Metro Area (12060)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates33.49741, -83.74979
Land / Water Area51.355 mi² land · 1.125 mi² water

02Income & Economics

Distribution of the 1,840 individual tax returns filed in 30055 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
23.4%
$25K–$50K
25.0%
$50K–$75K
14.7%
$75K–$100K
12.0%
$100K–$200K
19.0%
$200K+
6.0%
The $200,000+ bracket accounts for 32% of 30055's total adjusted gross income, from 6% of returns — a concentration that drives the gap between the median ($52,778) 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 30055's IRS income metrics, 2020–2022.

Median income (2021→2022)
$52,778
▼ 0.9%
Filers earning $200K+
6.0%
▲ 0.1 pt
Total filers
1,840
▲ 8.9%
GET /zipc/v2/zipcodes/30055/soi?year=… $50K 2020 $53K 2021 $53K 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 30055 ZCTA.

2000
2,201
 
2010
3,018
▲ +37.1%
2020
3,647
▲ +20.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number125555
City AliasesMansfield

06Frequently Asked Questions

What county is ZIP code 30055 in?

ZIP code 30055 is in Newton County, Georgia (county FIPS code 13217).

What city is ZIP code 30055?

The primary USPS city for 30055 is Mansfield, GA.

What metro area (MSA) is 30055 in?

30055 is part of the Atlanta-Sandy Springs-Roswell, GA Metro Area (MSA code 12060).

What is the population of ZIP code 30055?

The 2020 Census population of 30055 was 3,647 residents.

What is the median income in ZIP code 30055?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 30055 is about $52,778, with around 6% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.