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
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 31523 (Brunswick, GA) rose +12.0% from 2023 to 2024. The all-transactions index moved from 197.6 in 2023 to 221.2 in 2024 (2000 = 100).
ZIP code 31523 is a mid-sized community (a standard USPS delivery area) in Brunswick, Glynn County, Georgia, home to 13,229 residents across 479.3 square miles, a density of 28 people per square mile, in the New York time zone.
ZIP 31523 lands in the middle-income range, with a median household income of $88,988 (26% above the average Georgia ZIP), while per-capita income is $43,343. The poverty rate is 8.3%, with unemployment at 2.8%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $310,400 (29% above the average Georgia ZIP), while 85.3% of occupied homes are owner-occupied and median rent is $988.
A solid share of residents have a four-year degree: 31.5% of adults hold a bachelor's degree or higher, the median age is 40.9, and the average commute is 25 minutes. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Glynn County, so 31523 can be compared with both its immediate and county-level context.
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 31523
Top 5 sectors by establishment count in Brunswick, GA
Which industries have the most business establishments in ZIP 31523.
- Construction
Construction
51 establishments
- Retail trade
Retail trade
42 establishments
- Accommodation and food services
Accommodation and food services
37 establishments
- Other services (except public administration)
Other services (except public administration)
27 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
24 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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
Who lives in ZIP 31523?
40.9
Median Age
49.6%
Male
50.4%
Female
6.7%
Foreign-Born
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 ZIP avg
$43,343
Per Capita Income
8.3%
Poverty Rate
2.8%
Unemployment Rate
24.6 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$310,400
Median Home Value
+29% vs state ZIP avg
$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.
- 31525
Brunswick (31525)
28,247 residents
- 31520
Brunswick (31520)
22,336 residents
- 31523
Brunswick (31523)
13,229 residents
What this shows Among its immediate neighbors, ZIP 31523 ranks #3 by population - useful context the national average alone can't give.
ZIP 31523 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31523
Brunswick (31523)
$88,988 median income
- 31525
Brunswick (31525)
$69,493 median income
- 31520
Brunswick (31520)
$40,071 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.