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US ZIP Code Profile

ZIP Code 31527
Jekyll Island, Georgia

ZIP code 31527 is in Jekyll Island, located in Glynn County, Georgia, within the Brunswick metro area. Its 2020 Census population was 866. The estimated median adjusted gross income per tax return is $82,500, and about 16% of filers report $200,000 or more.

2020 Population
866
Census ZCTA
County
Glynn
FIPS 13127
Median income (est.)
$82,500
IRS SOI 2022
Land Area
17.624 mi²
+ 14.687 mi² water

01Location & Geography

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

Primary CityJekyll Island, GA
CountyGlynn County (FIPS 13127)
StateGeorgia (FIPS 13)
Metro Area (MSA)Brunswick, GA Metro Area (15260)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates31.069471, -81.42535
Land / Water Area17.624 mi² land · 14.687 mi² water

02Income & Economics

Distribution of the 430 individual tax returns filed in 31527 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
16.3%
$25K–$50K
18.6%
$50K–$75K
11.6%
$75K–$100K
11.6%
$100K–$200K
25.6%
$200K+
16.3%
The $200,000+ bracket accounts for 54% of 31527's total adjusted gross income, from 16% of returns — a concentration that drives the gap between the median ($82,500) 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 31527's IRS income metrics, 2020–2022.

Median income (2021→2022)
$82,500
▲ 0.0%
Filers earning $200K+
16.3%
▲ 0.7 pt
Total filers
430
▼ 4.4%
GET /zipc/v2/zipcodes/31527/soi?year=… $61K 2020 $82K 2021 $82K 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 31527 ZCTA.

2000
938
 
2010
805
▼ -14.2%
2020
866
▲ +7.6%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeBranch
Carrier Route SortD
USPS Finance Number121188
City AliasesBrunswick, Jekyll Island

06Frequently Asked Questions

What county is ZIP code 31527 in?

ZIP code 31527 is in Glynn County, Georgia (county FIPS code 13127).

What city is ZIP code 31527?

The primary USPS city for 31527 is Jekyll Island, GA.

What metro area (MSA) is 31527 in?

31527 is part of the Brunswick, GA Metro Area (MSA code 15260).

What is the population of ZIP code 31527?

The 2020 Census population of 31527 was 866 residents.

What is the median income in ZIP code 31527?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 31527 is about $82,500, 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.