ZIP code
31561
Sea Island, GA
31561 covers Sea Island in Glynn County, with 94 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 31561. Methodology
About ZIP code 31561
Acceptable cities: Brunswick
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 31561. Not ACS. Methodology
People in 31561
Race
- White184
- Black or African American2
- Asian3
- Two or more races1
Hispanic or Latino (any race): 2
Age
- Under 105
- 10 to 193
- 20 to 2926
- 30 to 394
- 40 to 4915
- 50 to 597
- 60 to 6954
- 70 to 7960
- 80 and older16
Income and housing in 31561
Education
- High school graduate72.3%
- Bachelor's degree72.3%
- Graduate degree46.8%
Places covering 31561
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
No place overlap rows for this ZIP.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Glynn County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
100.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 31561
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 353 | |
| 2006 | 331 | |
| 2007 | 331 | |
| 2009 | 337 | |
| 2010 | 304 | |
| 2011 | 264 | 319 |
| 2012 | 306 | 320 |
| 2013 | 560 | 360 |
| 2014 | 325 | 340 |
| 2015 | 320 | 340 |
| 2016 | 300 | 310 |
| 2017 | 268 | |
| 2018 | 39 | |
| 2019 | 47 | |
| 2020 | 102 | |
| 2021 | 103 | |
| 2022 | 210 | |
| 2023 | 94 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 31561
12 nearest ZIP centroids (any distance)
- 31522Saint Simons Island4.1 miPop 17,603 · Income $106,413
- 31524Brunswick9.0 miPop 0 · Income —
- 31520Brunswick9.5 miPop 22,743 · Income $37,652
- 31527Jekyll Island10.0 miPop 1,078 · Income $76,445
- 31305Darien12.0 miPop 5,119 · Income $36,339
- 31525Brunswick14.4 miPop 28,434 · Income $65,896
- 31327Sapelo Island15.6 miPop 19 · Income —
- 31523Brunswick17.1 miPop 14,921 · Income $90,148
- 31565Waverly20.6 miPop 2,210 · Income $72,054
- 31331Townsend20.8 miPop 5,997 · Income $60,669
- 31566Waynesville28.2 miPop 4,007 · Income $33,184
- 31558Saint Marys29.4 miPop 22,498 · Income $67,761
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 31561, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 31561 FAQ
- What city is ZIP code 31561 in?
- 31561 is in Sea Island, GA.
- What county is 31561 in?
- 31561 is in Glynn County.
- What is the median household income in 31561?
- The median household income in 31561 is $144,375.
- Which ZIP codes are near 31561?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 31561.