Comparison to Surrounding Areas
The median household income ($180,060) for 20684 is less than the median household income for 20630 ($233,411). But it's more than 20628 ($-1), 20653 ($103,048), 20680 ($-1), 20686 ($-1), 20687 ($-1), and St. Mary's County ($119,446).
| 20684 | $180,060 |
| St. Mary's County | $119,446 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($165,122) for 20684 is less than the average household income for 20630 ($232,777). But it's more than 20628 ($154,709), 20653 ($115,350), 20680 ($54,979), 20686 ($-1), 20687 ($89,639), and St. Mary's County ($142,976).
| 20684 | $165,122 |
| St. Mary's County | $142,976 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20684 is $71,244. The per capita income ($71,244) for 20684 is less than the per capita income for 20630 ($107,189). But it's more than 20628 ($60,310), 20653 ($48,853), 20680 ($25,412), 20686 ($4,431), 20687 ($39,130), and St. Mary's County ($53,417).
| 20684 | $71,244 |
| St. Mary's County | $53,417 |
Get Per-Capita Income for all Zip Codes in Maryland.
37% of households make over $200,000 a year. The percent high income households (37.0%) for 20684 is less than the percent high income households for 20630 (56.9%). But it's more than 20628 (20.1%), 20653 (16.2%), 20680 (7.3%), 20686 (-1.0%), 20687 (10.4%), and St. Mary's County (23.5%).
| 20684 | 37.0% |
| St. Mary's County | 23.5% |
Get High Income Households for all Zip Codes in Maryland.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 20684 | $-1 | $250,001 | $181,190 | $-1 |
| St. Mary's County | $58,185 | $131,232 | $144,419 | $83,422 |
Get Median Household Income by Age of Householder for all Zip Codes in Maryland.
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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 20684 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+ | |||||
| 20684 | +/-$52,797 | +/-$43,472 | +/-$9,567 | +/-24.4% | +/-$-1 | +/-$-1 | +/-$20,479 | +/-$-1 |
| St. Mary's County | +/-$4,480 | +/-$4,914 | +/-$1,686 | +/-1.7% | +/-$20,978 | +/-$7,749 | +/-$9,188 | +/-$7,809 |