Tybee Island, GA · standard
ZIP Code 31328
Chatham County, Georgia - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,306
- 228/sq mi High-density area
- $109,631
- Median income Above-median income area
- $619,800
- Median home value Above-median home value
- 46.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Tybee Island pairs an upper-quartile household income with top-decile home values, in a low-density, homeowner-dominated area.
- Top 14%
- household income, US ZIPs
- Top 8%
- home value, US ZIPs
- 228
- people per sq mi
- 89%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 31328 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 31328 (Tybee Island, GA) fell -3.7% from 2023 to 2024. The all-transactions index moved from 318.1 in 2023 to 306.4 in 2024 (2000 = 100).
ZIP code 31328 covers 14.5 square miles in Tybee Island, Chatham County, Georgia (a standard USPS delivery area), with a modest 3,306 residents on file, a density of 228 people per square mile, in the New York time zone.
ZIP 31328 lands in the middle-income range, with a median household income of $109,631 (56% above the average Georgia ZIP), while per-capita income is $55,031. Both reported hardship measures are comparatively low in absolute terms: poverty is 7.3% and unemployment is 2.5%. Housing is both higher-cost and owner-heavy: median home value is $619,800 (157% above the average Georgia ZIP), while 88.8% of occupied homes are owner-occupied and median rent is $1,665.
A solid share of residents have a four-year degree: 46.9% of adults hold a bachelor's degree or higher, the median age is 61.1, and the average commute is -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Chatham County, so 31328 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 31328
Top 5 sectors by establishment count in Tybee Island, GA
Which industries have the most business establishments in ZIP 31328.
- Accommodation and food services
Accommodation and food services
51 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
25 establishments
- Retail trade 19
Retail trade
19 establishments
- Professional, scientific, and technical services 14
Professional, scientific, and technical services
14 establishments
- Construction 11
Construction
11 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 31328, Tybee Island, 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
3,306
Population
14.5
Area (sq mi)
228
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 31328?
61.1
Median Age
49.2%
Male
50.8%
Female
4.4%
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?
$109,631
Median Household Income
+56% vs state ZIP avg
$55,031
Per Capita Income
7.3%
Poverty Rate
2.5%
Unemployment Rate
How ZIP 31328 ranks among Georgia ZIPs
Tybee Island, GA household income vs. every Georgia ZIP code
Median household income among 677 reporting Georgia ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$109,631 Top 9% higher than 91% of 677 Georgia ZIPs
Each bar is a $20K-wide band; taller bars hold more Georgia 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
3,378housing units
3,378
Total Housing Units
1,575
Occupied Units
1,803
Vacant Units
2.06
Avg Household Size
Occupancy Type
$619,800
Median Home Value
+157% vs state ZIP avg
$1,665
Median Rent
1984
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
-3.7%
YoY Change (2024)
306
HPI Index (2000 = 100)
+206%
Total Change Since 2000
Home values in ZIP 31328 have decreased 3.7% over the past year (2024). Since 2000, this ZIP has seen +206% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.8% | 210 |
| 2021 | +8.8% | 229 |
| 2022 | +23.3% | 282 |
| 2023 | +12.7% | 318 |
| 2024 | -3.7% | 306 |
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 167 business establishments in ZIP 31328, employing approximately 1,305 people with a combined annual payroll of $41,391,000.
167
Businesses
1,305
Employees
$41.4M
Annual Payroll
11
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 51 | 30.5% |
| Real estate and rental and leasing | 25 | 15.0% |
| Retail trade | 19 | 11.4% |
| Professional, scientific, and technical services | 14 | 8.4% |
| Construction | 11 | 6.6% |
| Health care and social assistance | 10 | 6.0% |
| Other services (except public administration) | 8 | 4.8% |
| Transportation and warehousing | 6 | 3.6% |
| Administrative and support and waste management and remediation services | 6 | 3.6% |
| Arts, entertainment, and recreation | 5 | 3.0% |
| Information | 4 | 2.4% |
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 31328 vs 29915 →
ZIP 31328 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 31410
Savannah (31410)
23,654 residents
- 31328 3,306
Tybee Island (31328)
3,306 residents
- 29915 416
Daufuskie Island (29915)
416 residents
What this shows Among its immediate neighbors, ZIP 31328 ranks #2 by population - useful context the national average alone can't give.
ZIP 31328 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 29915
Daufuskie Island (29915)
$156,090 median income
- 31328
Tybee Island (31328)
$109,631 median income
- 31410
Savannah (31410)
$97,807 median income
What this shows By household income, ZIP 31328 ranks #2 of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 31328, both outside GA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,306 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Chatham County
Related Areas
Frequently Asked Questions
What county is ZIP code 31328 in?
ZIP code 31328 (Tybee Island) is located in Chatham County, Georgia. Chatham County contains multiple ZIP codes, see the full list at /counties/chatham-ga.
What is the population of ZIP code 31328?
ZIP code 31328 in Tybee Island, GA has a population of 3,306 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 31328?
The median household income in ZIP 31328 is $109,631, which is 44% above the national average of $76,288.
What is the average home value in ZIP 31328?
The median home value in ZIP 31328 is $619,800, which is 123% above the national average of $278,155.
What is the demographic makeup of ZIP 31328?
The largest racial group in ZIP 31328 is White at 92.2%. Hispanic or Latino residents make up 0.3% of the population.
How many businesses are in ZIP code 31328?
ZIP code 31328 has 167 business establishments employing approximately 1,305 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 31328?
The top industries by establishment count in ZIP 31328 are: Accommodation and food services (51), Real estate and rental and leasing (25), Retail trade (19). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 31328?
According to the FHFA House Price Index, home values in ZIP 31328 decreased by 3.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 206%. 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 31328?
In ZIP code 31328, 76.3% of residents aged 25+ have a high school diploma or higher, and 46.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 31328?
In ZIP code 31328, approximately 88.8% of occupied housing units are owner-occupied and 11.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 31328?
The poverty rate in ZIP code 31328 is 7.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 31328's numbers, next.
- See how ZIP 31328 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Tybee Island, GA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.