PlainZIP

Brunswick, GA · standard

ZIP Code 31523

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

13,229
28/sq mi
$88,988
Median income
$310,400
Median home value
31.5%
Bachelor's or higher

The verdict

Brunswick pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 28%
household income, US ZIPs
Top 32%
home value, US ZIPs
28
people per sq mi
85%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31523 against every reporting US ZIP.

ZIP code 31523 is classified by USPS as a standard delivery area and covers roughly 479.3 square miles in Brunswick, Glynn County, Georgia. The area is home to 13,229 residents, producing a population density of 28 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 31523 against Georgia and the nation.

On the economic side, the median household income for ZIP 31523 sits at $88,988 (26% above the Georgia average), while per-capita income is $43,343. The poverty rate stands at 8.3% and the unemployment rate at 2.8%. On housing, the median home value is $310,400 (29% above the state average) with median rent at $988 per month, and 85.3% of occupied units are owner-occupied, a direct signal of whether 31523 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 31.5% of adults hold a bachelor's degree or higher, the median age is 40.9, and the average commute is 25 minutes. We also surface 2 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Glynn County, so you can benchmark 31523 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 31523

Top 5 sectors by establishment count

Which industries have the most business establishments in ZIP 31523.

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 31523, Brunswick, 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

13,229

Population

479.3

Area (sq mi)

28

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 31523?

40.9

Median Age

49.6%

Male

50.4%

Female

6.7%

Foreign-Born

White 76.9%
African American 15.2%
Asian 3.5%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 4.3%
Hispanic or Latino 3.8%

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?

$88,988

Median Household Income

+26% vs state

$43,343

Per Capita Income

8.3%

Poverty Rate

2.8%

Unemployment Rate

24.6 min

Mean Commute Time

How ZIP 31523 ranks nationally

Household income vs. every US ZIP code

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

$88,988 Top 28% higher than 72% 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%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $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 59.3%
Bachelor's Degree or Higher 31.5%

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

What does housing look like?

5,934

Total Housing Units

5,666

Occupied Units

268

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 85.3%
Renter 14.7%

$310,400

Median Home Value

+29% vs state

$988

Median Rent

1998

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

+12.0%

YoY Change (2024)

221

HPI Index (2000 = 100)

+121%

Total Change Since 2000

Home values in ZIP 31523 have increased 12.0% over the past year (2024). Since 2000, this ZIP has seen +121% cumulative appreciation.

Year Annual Change HPI Index
2020 +9.2% 145
2021 +9.8% 159
2022 +15.1% 183
2023 +8.1% 198
2024 +12.0% 221

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 299 business establishments in ZIP 31523, employing approximately 2,760 people with a combined annual payroll of $97,591,000.

299

Businesses

2,760

Employees

$97.6M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 51 17.1%
Retail trade 42 14.1%
Accommodation and food services 37 12.4%
Other services (except public administration) 27 9.0%
Professional, scientific, and technical services 24 8.0%
Administrative and support and waste management and remediation services 24 8.0%
Real estate and rental and leasing 21 7.0%
Health care and social assistance 16 5.3%
Transportation and warehousing 14 4.7%
Wholesale trade 10 3.3%
Arts, entertainment, and recreation 9 3.0%
Information 7 2.3%
Finance and insurance 7 2.3%
Educational services 5 1.7%
Manufacturing 4 1.3%

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 31523 vs 31520 →

ZIP 31523 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 31523 ranks #3 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 31523 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 31523 ranks the highest 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
31520 Brunswick, GA 22,336 8.3 mi
31525 Brunswick, GA 28,247 8.7 mi

More ZIP Codes in Glynn County

31525 standard
Brunswick, GA
Pop: 28,247
31520 standard
Brunswick, GA
Pop: 22,336
31522 standard
Saint Simons Island, GA
Pop: 14,447
31527 standard
Jekyll Island, GA
Pop: 805
31561 standard
Sea Island, GA
Pop: 298
31524 standard
Brunswick, GA
Pop: —

Related Areas

Glynn County Brunswick, GA Georgia

Frequently Asked Questions

What county is ZIP code 31523 in? ▼
ZIP code 31523 (Brunswick) 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 31523? ▼
ZIP code 31523 in Brunswick, GA has a population of 13,229 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31523? ▼
The median household income in ZIP 31523 is $88,988, which is 17% above the national average of $76,288.
What is the average home value in ZIP 31523? ▼
The median home value in ZIP 31523 is $310,400, which is 12% above the national average of $278,155.
What is the demographic makeup of ZIP 31523? ▼
The largest racial group in ZIP 31523 is White at 76.9%. Hispanic or Latino residents make up 3.8% of the population.
How many businesses are in ZIP code 31523? ▼
ZIP code 31523 has 299 business establishments employing approximately 2,760 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31523? ▼
The top industries by establishment count in ZIP 31523 are: Construction (51), Retail trade (42), Accommodation and food services (37). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 31523? ▼
According to the FHFA House Price Index, home values in ZIP 31523 increased by 12.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 121%. 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 31523? ▼
In ZIP code 31523, 59.3% of residents aged 25+ have a high school diploma or higher, and 31.5% 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 31523? ▼
The mean commute time for workers in ZIP code 31523 is 24.6 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 31523? ▼
In ZIP code 31523, approximately 85.3% of occupied housing units are owner-occupied and 14.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31523? ▼
The poverty rate in ZIP code 31523 is 8.3% 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 Brunswick, 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.