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US ZIP Code Profile

ZIP Code 31525
Brunswick, Georgia

ZIP code 31525 is in Brunswick, located in Glynn County, Georgia, within the Brunswick metro area. Its 2020 Census population was 28,766. The estimated median adjusted gross income per tax return is $40,944, and about 2% of filers report $200,000 or more.

2020 Population
28,766
Census ZCTA
County
Glynn
FIPS 13127
Median income (est.)
$40,944
IRS SOI 2022
Land Area
98.219 mi²
+ 2.472 mi² water

01Location & Geography

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

Primary CityBrunswick, GA
CountyGlynn County (FIPS 13127)
StateGeorgia (FIPS 13)
Metro Area (MSA)Brunswick, GA Metro Area (15260)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.321, -81.52644
Land / Water Area98.219 mi² land · 2.472 mi² water

02Income & Economics

Distribution of the 13,570 individual tax returns filed in 31525 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
32.9%
$25K–$50K
26.8%
$50K–$75K
15.3%
$75K–$100K
9.6%
$100K–$200K
13.2%
$200K+
2.2%
The $200,000+ bracket accounts for 13% of 31525's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($40,944) 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 31525's IRS income metrics, 2020–2022.

Median income (2021→2022)
$40,944
▲ 7.3%
Filers earning $200K+
2.2%
▲ 0.4 pt
Total filers
13,570
▲ 1.1%
GET /zipc/v2/zipcodes/31525/soi?year=… $36K 2020 $38K 2021 $41K 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 31525 ZCTA.

2000
21,516
 
2010
28,247
▲ +31.3%
2020
28,766
▲ +1.8%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number121188
City AliasesBrunswick, Everett, Sterling, Thalman

06Frequently Asked Questions

What county is ZIP code 31525 in?

ZIP code 31525 is in Glynn County, Georgia (county FIPS code 13127).

What city is ZIP code 31525?

The primary USPS city for 31525 is Brunswick, GA.

What metro area (MSA) is 31525 in?

31525 is part of the Brunswick, GA Metro Area (MSA code 15260).

What is the population of ZIP code 31525?

The 2020 Census population of 31525 was 28,766 residents.

What is the median income in ZIP code 31525?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31525 is about $40,944, 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.