Comparison to Surrounding Areas
The median household income ($40,071) for 31520 is less than 31523 ($88,988), 31525 ($69,493), Glynn County ($69,799), Brunswick city ($40,288), and Dock Junction CDP ($41,258).
| 31520 | $40,071 |
| Brunswick city | $40,288 |
| Dock Junction CDP | $41,258 |
| Glynn County | $69,799 |
Get Median Household Income for all Zip Codes in Georgia.
The average household income ($64,627) for 31520 is less than the average household income for 31523 ($116,157), 31525 ($82,180), Glynn County ($101,779), and Dock Junction CDP ($72,525). But it's more than Brunswick city ($60,182).
| 31520 | $64,627 |
| Brunswick city | $60,182 |
| Dock Junction CDP | $72,525 |
| Glynn County | $101,779 |
Get Average Household Income for all Zip Codes in Georgia.
The per-capita income for 31520 is $26,808. The per capita income ($26,808) for 31520 is less than the per capita income for 31523 ($43,343), 31525 ($33,187), Glynn County ($42,622), and Dock Junction CDP ($29,155). But it's more than Brunswick city ($25,465).
| 31520 | $26,808 |
| Brunswick city | $25,465 |
| Dock Junction CDP | $29,155 |
| Glynn County | $42,622 |
Get Per-Capita Income for all Zip Codes in Georgia.
3.8% of households make over $200,000 a year. The percent high income households (3.8%) for 31520 is less than the percent high income households for 31523 (11.4%), 31525 (6.0%), Glynn County (10.1%), and Dock Junction CDP (4.7%). But it's more than Brunswick city (2.5%).
| 31520 | 3.8% |
| Brunswick city | 2.5% |
| Dock Junction CDP | 4.7% |
| Glynn County | 10.1% |
Get High Income Households for all Zip Codes in Georgia.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 31520 | $31,587 | $41,648 | $41,174 | $33,932 |
| Brunswick city | $31,879 | $47,174 | $40,023 | $26,447 |
| Dock Junction CDP | $-1 | $40,633 | $70,573 | $37,842 |
| Glynn County | $60,000 | $77,301 | $77,702 | $59,919 |
Get Median Household Income by Age of Householder for all Zip Codes in Georgia.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 31520 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 31520 | +/-$1,968 | +/-$8,630 | +/-$3,727 | +/-1.6% | +/-$3,989 | +/-$7,833 | +/-$6,333 | +/-$5,537 |
| Brunswick city | +/-$5,184 | +/-$10,188 | +/-$4,380 | +/-1.4% | +/-$3,522 | +/-$22,289 | +/-$9,207 | +/-$11,809 |
| Dock Junction CDP | +/-$10,577 | +/-$13,562 | +/-$6,250 | +/-2.8% | +/-$-1 | +/-$12,192 | +/-$31,216 | +/-$6,281 |
| Glynn County | +/-$3,187 | +/-$4,989 | +/-$1,864 | +/-1.2% | +/-$20,580 | +/-$10,230 | +/-$5,463 | +/-$6,259 |