PlainZIP

Saint Simons Island, GA · standard

ZIP Code 31522

Glynn County, Georgia — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

14,447
103/sq mi
$108,632
Median income
$571,100
Median home value
57.5%
Bachelor's or higher

The verdict

Saint Simons Island pairs an upper-quartile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 14%
household income, US ZIPs
Top 10%
home value, US ZIPs
103
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31522 against every reporting US ZIP.

ZIP code 31522 is classified by USPS as a standard delivery area and covers roughly 140.0 square miles in Saint Simons Island, Glynn County, Georgia. The area is home to 14,447 residents, producing a population density of 103 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 31522 against Georgia and the nation.

On the economic side, the median household income for ZIP 31522 sits at $108,632 (54% above the Georgia average), while per-capita income is $75,759. The poverty rate stands at 4.8% and the unemployment rate at 2.7%. On housing, the median home value is $571,100 (137% above the state average) with median rent at $1,851 per month, and 84.8% of occupied units are owner-occupied, a direct signal of whether 31522 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 57.5% of adults hold a bachelor's degree or higher, the median age is 59.9, and the average commute is 18 minutes. We also surface 3 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Glynn County, so you can benchmark 31522 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Top industries in ZIP 31522

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 31522.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 31522, Saint Simons Island, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

14,447

Population

140.0

Area (sq mi)

103

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 31522?

59.9

Median Age

46.8%

Male

53.2%

Female

4.2%

Foreign-Born

White 92.7%
African American 1.2%
Asian 1.0%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.3%
Hispanic or Latino 3.1%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$108,632

Median Household Income

+54% vs state

$75,759

Per Capita Income

4.8%

Poverty Rate

2.7%

Unemployment Rate

18.0 min

Mean Commute Time

How ZIP 31522 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$108,632 Top 14% higher than 86% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.6%
Bachelor's Degree or Higher 57.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

12,234

Total Housing Units

8,574

Occupied Units

3,660

Vacant Units

2.05

Avg Household Size

Occupancy Type

Owner 84.8%
Renter 15.2%

$571,100

Median Home Value

+137% vs state

$1,851

Median Rent

1989

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+11.9%

YoY Change (2024)

320

HPI Index (2000 = 100)

+220%

Total Change Since 2000

Home values in ZIP 31522 have increased 11.9% over the past year (2024). Since 2000, this ZIP has seen +220% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.9% 190
2021 +8.7% 207
2022 +24.9% 258
2023 +11.0% 286
2024 +11.9% 320

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 871 business establishments in ZIP 31522, employing approximately 6,216 people with a combined annual payroll of $276,719,000.

871

Businesses

6,216

Employees

$276.7M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 132 15.2%
Retail trade 108 12.4%
Accommodation and food services 98 11.3%
Real estate and rental and leasing 96 11.0%
Construction 91 10.4%
Other services (except public administration) 75 8.6%
Health care and social assistance 68 7.8%
Finance and insurance 63 7.2%
Administrative and support and waste management and remediation services 53 6.1%
Wholesale trade 23 2.6%
Transportation and warehousing 16 1.8%
Arts, entertainment, and recreation 16 1.8%
Educational services 13 1.5%
Information 10 1.1%
Manufacturing 6 0.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 31522 vs 31561 →

ZIP 31522 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 31522 ranks #2 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 31522 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 31522 ranks #2 of 3 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
31561 Sea Island, GA 298 2.5 mi
31524 Brunswick, GA 0 6.8 mi
31520 Brunswick, GA 22,336 8.9 mi

More ZIP Codes in Glynn County

31525 standard
Brunswick, GA
Pop: 28,247
31520 standard
Brunswick, GA
Pop: 22,336
31523 standard
Brunswick, GA
Pop: 13,229
31527 standard
Jekyll Island, GA
Pop: 805
31561 standard
Sea Island, GA
Pop: 298
31524 standard
Brunswick, GA
Pop: —

Related Areas

Glynn County Saint Simons Island, GA Georgia

Frequently Asked Questions

What county is ZIP code 31522 in? ▼
ZIP code 31522 (Saint Simons Island) is located in Glynn County, Georgia. Glynn County contains multiple ZIP codes, see the full list at /counties/glynn-ga.
What is the population of ZIP code 31522? ▼
ZIP code 31522 in Saint Simons Island, GA has a population of 14,447 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31522? ▼
The median household income in ZIP 31522 is $108,632, which is 42% above the national average of $76,288.
What is the average home value in ZIP 31522? ▼
The median home value in ZIP 31522 is $571,100, which is 105% above the national average of $278,155.
What is the demographic makeup of ZIP 31522? ▼
The largest racial group in ZIP 31522 is White at 92.7%. Hispanic or Latino residents make up 3.1% of the population.
How many businesses are in ZIP code 31522? ▼
ZIP code 31522 has 871 business establishments employing approximately 6,216 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31522? ▼
The top industries by establishment count in ZIP 31522 are: Professional, scientific, and technical services (132), Retail trade (108), Accommodation and food services (98). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 31522? ▼
According to the FHFA House Price Index, home values in ZIP 31522 increased by 11.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 220%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 31522? ▼
In ZIP code 31522, 69.6% of residents aged 25+ have a high school diploma or higher, and 57.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 31522? ▼
The mean commute time for workers in ZIP code 31522 is 18.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 31522? ▼
In ZIP code 31522, approximately 84.8% of occupied housing units are owner-occupied and 15.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31522? ▼
The poverty rate in ZIP code 31522 is 4.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Reading Census Demographics
How to interpret population, income, and education data from the Census Bureau.
Understanding ZIP Code Data
What ZIP codes are, how ZCTAs differ, and what the data reveals.
Best ZIP Codes for Families
Key factors to evaluate when choosing a family-friendly neighborhood.
ZIP Codes for Relocation
Data-driven tips for evaluating ZIP codes before a move.

Official Data Resources for Saint Simons Island, GA

Verify and explore additional data for this area using these official government sources.

U.S. Census Bureau
Official demographic, economic, and housing data from the American Community Survey.
HUD Fair Market Rents
Department of Housing and Urban Development rental cost estimates by metropolitan area.
FBI Uniform Crime Reports
Official crime statistics compiled from law enforcement agencies nationwide.
FHFA House Price Index
Federal Housing Finance Agency home value trends based on repeat sales and appraisals.

Read our methodology to see how this data is sourced, computed, and verified.