ZIP Code 31561 -- Sea Island, GA
GLYNN | 2024 American Community Survey Data
Key Insights
- Households here earn 3.3x the national median income — placing this ZIP code in the top tier of American prosperity.
- Home prices are 8x the local median income — well above the recommended 3-5x ratio, suggesting a very expensive housing market.
- With 100.00% holding a bachelor's degree or higher, this is one of the most highly educated ZIP codes in the country (national average: 33.7%).
- The median age of 69.60 years suggests a retirement-oriented community, well above the national median of 38.9 years.
- 100.00% of housing units are owner-occupied — indicating a stable, established neighborhood with strong homeownership.
Quick Overview
About ZIP Code 31561
ZIP code 31561 in Sea Island, Georgia is a unknown area with a population of 96. The median household income is $250,001, which is This is 233% above the national median of $75,000.. The median home value is $2,000,001, representing a price-to-income ratio of 8x . The cost of living is very high with an index of 468.6 (the national average is 100). Residents have a median age of 69.60 years. Approximately 100.0% of adults hold a bachelor's degree or higher. This ZIP code is located in GLYNN, GA.
Population & Age
Age Distribution
Race & Ethnicity
Racial Composition
Income & Economy
This is 233% above the national median of $75,000.
Income Distribution
Housing
Housing is expensive relative to income
Ownership vs Rental
Education
Employment & Commuting
How People Get to Work
Cost of Living Index
The cost of living in ZIP code 31561 is 368.6% above the national average of 100.
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Frequently Asked Questions about ZIP Code 31561
ZIP code 31561 (Sea Island, GA) has a total population of 96 according to the 2024 American Community Survey. The median age is 69.60 years.
The median household income in ZIP code 31561 is $250,001 per year, based on 2024 Census Bureau data. This is 233% above the national median of $75,000.
ZIP code 31561 is primarily located in Sea Island, Georgia (GA). It falls within GLYNN County.
The median home value in ZIP code 31561 is $2,000,001, based on the 2024 American Community Survey 5-year estimates.
The median age in ZIP code 31561 is 69.60 years, compared to the national median of 38.9 years. This makes the area older than the national average.
ZIP code 31561 has a cost of living index of 468.57 (national average = 100). This means the cost of living is very high compared to the national average.
In ZIP code 31561, 100.00% of adults (25+) hold a bachelor's degree or higher, compared to the national average of 33.7%. 64.94% hold a graduate or professional degree.
The unemployment rate in ZIP code 31561 is 0.00%, which is below the national average of 3.6%. About 0.00% of workers work from home.
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Data sourced from the 2024 American Community Survey (U.S. Census Bureau). Learn more about our data sources.