Comparison to Surrounding Areas
The median household income ($82,721) for 21664 is more than 21631 ($73,864) and Dorchester County ($61,839). And it's the same as Secretary town ($82,721).
| 21664 | $82,721 |
| Secretary town | $82,721 |
| Dorchester County | $61,839 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($86,344) for 21664 is less than the average household income for 21631 ($99,534). But it's more than Dorchester County ($84,771). And it's the same as Secretary town ($86,344).
| 21664 | $86,344 |
| Secretary town | $86,344 |
| Dorchester County | $84,771 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21664 is $29,251. The per capita income ($29,251) for 21664 is less than 21631 ($37,827) and Dorchester County ($35,605). And it's the same as Secretary town ($29,251).
| 21664 | $29,251 |
| Secretary town | $29,251 |
| Dorchester County | $35,605 |
Get Per-Capita Income for all Zip Codes in Maryland.
1.8% of households make over $200,000 a year. The percent high income households (1.8%) for 21664 is less than 21631 (4.5%) and Dorchester County (6.7%). And it's the same as Secretary town (1.8%).
| 21664 | 1.8% |
| Secretary town | 1.8% |
| Dorchester County | 6.7% |
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 | |
|---|---|---|---|---|
| 21664 | $-1 | $98,750 | $83,472 | $56,429 |
| Secretary town | $-1 | $98,750 | $83,472 | $56,429 |
| Dorchester County | $34,643 | $65,184 | $80,449 | $49,065 |
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 21664 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+ | |||||
| 21664 | +/-$17,352 | +/-$12,149 | +/-$6,134 | +/-2.2% | +/-$-1 | +/-$44,784 | +/-$29,152 | +/-$15,461 |
| Secretary town | +/-$17,352 | +/-$12,149 | +/-$6,134 | +/-2.2% | +/-$-1 | +/-$44,784 | +/-$29,152 | +/-$15,461 |
| Dorchester County | +/-$4,414 | +/-$4,861 | +/-$1,778 | +/-1.3% | +/-$31,857 | +/-$13,234 | +/-$9,605 | +/-$6,454 |