PlainZIP

Brunswick, GA · standard

ZIP Code 31520

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

22,336
513/sq mi
$40,071
Median income
$147,500
Median home value
17.3%
Bachelor's or higher

The verdict

Brunswick pairs one of the lowest household incomes in the country with below-median home values, in a low-density, mixed-tenure area.

6th pct
household income, US ZIPs
25th pct
home value, US ZIPs
513
people per sq mi
46%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31520 against every reporting US ZIP.

ZIP code 31520 is a densely settled ZIP (a standard USPS delivery area) in Brunswick, Glynn County, Georgia, with 22,336 residents across 43.6 square miles, a density of 513 people per square mile, in the New York time zone.

ZIP 31520 reports a modest median household income of $40,071 (43% below the Georgia average), while per-capita income is $26,808. 29.8% of residents live below the poverty line, and the unemployment rate reads 5.3%. The typical home here is valued at $147,500 (39% below the state average); renters pay a median of $983 monthly, and 45.5% of units are owner-occupied.

Educational attainment sits below the national norm: 17.3% of adults hold a bachelor's degree or higher, the median age is 38.4, and the average commute is 17 minutes. We also surface 6 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Glynn County, so you can benchmark 31520 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 31520

Top 5 sectors by establishment count in Brunswick, GA

Which industries have the most business establishments in ZIP 31520.

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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 31520, Brunswick, GA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

22,336

Population

43.6

Area (sq mi)

513

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 31520?

38.4

Median Age

45.6%

Male

54.4%

Female

8.6%

Foreign-Born

White 34.8%
African American 49.0%
Asian 0.8%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.5%
Hispanic or Latino 12.6%

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?

$40,071

Median Household Income

-43% vs state

$26,808

Per Capita Income

29.8%

Poverty Rate

5.3%

Unemployment Rate

16.8 min

Mean Commute Time

How ZIP 31520 ranks nationally

Brunswick, GA household income vs. every US ZIP code

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

$40,071 6th percentile higher than 6% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $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 58.1%
Bachelor's Degree or Higher 17.3%

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

What does housing look like?

10,583

Total Housing Units

8,968

Occupied Units

1,615

Vacant Units

2.39

Avg Household Size

Occupancy Type

Owner 45.5%
Renter 54.5%

$147,500

Median Home Value

-39% vs state

$983

Median Rent

1966

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

+8.1%

YoY Change (2024)

287

HPI Index (2000 = 100)

+187%

Total Change Since 2000

Home values in ZIP 31520 have increased 8.1% over the past year (2024). Since 2000, this ZIP has seen +187% cumulative appreciation.

Year Annual Change HPI Index
2020 +8.5% 175
2021 +9.3% 191
2022 +17.0% 223
2023 +19.0% 266
2024 +8.1% 287

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 925 business establishments in ZIP 31520, employing approximately 11,351 people with a combined annual payroll of $627,177,000.

925

Businesses

11,351

Employees

$627.2M

Annual Payroll

17

Industry Sectors

Industry Establishments % of Total
Retail trade 171 18.5%
Health care and social assistance 146 15.8%
Other services (except public administration) 103 11.1%
Professional, scientific, and technical services 86 9.3%
Accommodation and food services 85 9.2%
Construction 73 7.9%
Finance and insurance 54 5.8%
Administrative and support and waste management and remediation services 45 4.9%
Wholesale trade 41 4.4%
Real estate and rental and leasing 32 3.5%
Manufacturing 21 2.3%
Transportation and warehousing 21 2.3%
Information 15 1.6%
Arts, entertainment, and recreation 11 1.2%
Educational services 10 1.1%
Utilities 5 0.5%
Management of companies and enterprises 3 0.3%

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 31520 vs 31524 →

ZIP 31520 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 31520 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 31520 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 31520 ranks #5 of 5 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
31524 Brunswick, GA 0 4.3 mi
31525 Brunswick, GA 28,247 9.2 mi
31527 Jekyll Island, GA 805 8.2 mi
31523 Brunswick, GA 13,229 8.3 mi
31522 Saint Simons Island, GA 14,447 8.9 mi
31565 Waverly, GA 1,841 11.9 mi

More ZIP Codes in Glynn County

31525 standard
Brunswick, GA
Pop: 28,247
31522 standard
Saint Simons Island, GA
Pop: 14,447
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 Brunswick, GA Georgia

Frequently Asked Questions

What county is ZIP code 31520 in? ▼
ZIP code 31520 (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 31520? ▼
ZIP code 31520 in Brunswick, GA has a population of 22,336 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31520? ▼
The median household income in ZIP 31520 is $40,071, which is 47% below the national average of $76,288.
What is the average home value in ZIP 31520? ▼
The median home value in ZIP 31520 is $147,500, which is 47% below the national average of $278,155.
What is the demographic makeup of ZIP 31520? ▼
The largest racial group in ZIP 31520 is African American at 49.0%. Hispanic or Latino residents make up 12.6% of the population.
How many businesses are in ZIP code 31520? ▼
ZIP code 31520 has 925 business establishments employing approximately 11,351 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31520? ▼
The top industries by establishment count in ZIP 31520 are: Retail trade (171), Health care and social assistance (146), Other services (except public administration) (103). There are 17 industry sectors represented in total.
How have home values changed in ZIP code 31520? ▼
According to the FHFA House Price Index, home values in ZIP 31520 increased by 8.1% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 187%. 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 31520? ▼
In ZIP code 31520, 58.1% of residents aged 25+ have a high school diploma or higher, and 17.3% 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 31520? ▼
The mean commute time for workers in ZIP code 31520 is 16.8 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 31520? ▼
In ZIP code 31520, approximately 45.5% of occupied housing units are owner-occupied and 54.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31520? ▼
The poverty rate in ZIP code 31520 is 29.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

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