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ZIP Code 31520
Dock Junction, GA, Glynn County
Population
22,313
Land area
20.1sq mi
People per sq mi
1,108
City
Dock Junction
ZIP 31520 and nearby ZIP codes
ZIP 31520 at a glance
- ZIP 31520 (Dock Junction) is about 5.8 times as dense as Georgia as a whole.
- Households here earn a median of $40,071 a year, 48% less than the Georgia figure of $77,353.
- A typical owner-occupied home is valued at $147,500 (51% below Georgia) and median rent is $983 a month.
Local data for ZIP 31520
Counts from official public data
Housing and community stats
ZIP 31520, American Community Survey 2020-2024
Median household income
$40,071
Poverty rate
29.8%
Median home value
$147,500
Prices +4.5% in a year
Median rent
$983/mo
Homeownership
45.5%
Bachelor's or higher
17.3%
Median age
38.4
Average commute
16.8 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
925
ZIP Business Patterns 2023
Employees
11,351
$627M annual payroll
PPP loans
$50.2M
1,011 loans
Campaign donations
$38.1K
8% D, 41% R, 2026 cycle
Environment and hazard risk
ZIP 31520, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: hurricane
Storm events since 1996
359
Countywide, mostly thunderstorm wind
Flood insurance policies
10,032
31.1% of homes, county
July high / Jan low
90° / 44°F
50.3 inches of rain a year
Health statistics
Share of adults in ZIP 31520, CDC PLACES estimates
Obesity
42.3%
U.S. 33.3% +9.0 pts
Diabetes
20.4%
U.S. 12.1% +8.3 pts
Smoking
21.0%
U.S. 12.8% +8.2 pts
Uninsured (18-64)
19.7%
U.S. 11.1% +8.6 pts
Frequently asked questions
- What city is ZIP code 31520?
- ZIP code 31520 is in Dock Junction, GA (Glynn County).
- What county is ZIP code 31520 in?
- ZIP code 31520 is mostly in Glynn County, Georgia.
- How many people live in ZIP code 31520?
- About 22,313 people live in the 31520 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.