Comparison to Surrounding Areas
The median household income ($105,508) for 20618 is less than the median household income for 20609 ($118,102), 20659 ($121,654), and St. Mary's County ($119,446). But it's more than 20621 ($-1), 20625 ($-1), 20626 ($-1), and 20664 ($88,438).
| 20618 | $105,508 |
| St. Mary's County | $119,446 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($156,136) for 20618 is less than the average household income for 20609 ($304,498). But it's more than 20621 ($97,222), 20625 ($122,056), 20626 ($49,745), 20659 ($150,584), 20664 ($100,628), and St. Mary's County ($142,976).
| 20618 | $156,136 |
| St. Mary's County | $142,976 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20618 is $59,691. The per capita income ($59,691) for 20618 is less than the per capita income for 20609 ($146,472). But it's more than 20621 ($54,408), 20625 ($49,865), 20626 ($26,369), 20659 ($51,368), 20664 ($41,443), and St. Mary's County ($53,417).
| 20618 | $59,691 |
| St. Mary's County | $53,417 |
Get Per-Capita Income for all Zip Codes in Maryland.
26.5% of households make over $200,000 a year. The percent high income households (26.5%) for 20618 is less than the percent high income households for 20609 (34.6%). But it's more than 20621 (16.3%), 20625 (19.5%), 20626 (6.8%), 20664 (6.3%), and St. Mary's County (23.5%). And it's the same as 20659 (26.5%).
| 20618 | 26.5% |
| 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 | |
|---|---|---|---|---|
| 20618 | $-1 | $109,231 | $224,583 | $59,259 |
| 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 20618 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+ | |||||
| 20618 | +/-$36,992 | +/-$55,951 | +/-$18,638 | +/-15.5% | +/-$-1 | +/-$79,752 | +/-$108,832 | +/-$22,572 |
| St. Mary's County | +/-$4,480 | +/-$4,914 | +/-$1,686 | +/-1.7% | +/-$20,978 | +/-$7,749 | +/-$9,188 | +/-$7,809 |