Comparison to Surrounding Areas
The median household income ($53,558) for 21640 is less than the median household income for 21660 ($80,469), 21623 ($78,345), 21636 ($73,426), 21649 ($68,542), 19934 ($87,125), 19964 ($99,402), 21607 ($91,250), 21617 ($116,898), Queen Anne's County ($112,826), Caroline County ($68,457), and Henderson town ($100,938). But it's more than 21644 ($-1).
| 21640 | $53,558 |
| Henderson town | $100,938 |
| Caroline County | $68,457 |
| Queen Anne's County | $112,826 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($69,291) for 21640 is less than the average household income for 21660 ($91,867), 21623 ($101,530), 21636 ($79,143), 21649 ($84,495), 19934 ($108,642), 19964 ($103,198), 21607 ($94,419), 21617 ($130,879), Queen Anne's County ($141,291), Caroline County ($87,383), and Henderson town ($96,308). But it's more than 21644 ($-1).
| 21640 | $69,291 |
| Henderson town | $96,308 |
| Caroline County | $87,383 |
| Queen Anne's County | $141,291 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21640 is $30,254. The per capita income ($30,254) for 21640 is less than the per capita income for 21660 ($34,931), 21623 ($35,506), 21636 ($32,549), 19934 ($40,356), 19964 ($46,444), 21607 ($33,721), 21617 ($51,242), Queen Anne's County ($55,382), and Caroline County ($34,341). But it's more than 21644 ($29,970), 21649 ($26,408), and Henderson town ($26,346).
| 21640 | $30,254 |
| Henderson town | $26,346 |
| Caroline County | $34,341 |
| Queen Anne's County | $55,382 |
Get Per-Capita Income for all Zip Codes in Maryland.
2.5% of households make over $200,000 a year. The percent high income households (2.5%) for 21640 is less than the percent high income households for 21607 (2.9%), 21623 (11.1%), 21660 (6.2%), 19934 (13.2%), 21617 (19.4%), Queen Anne's County (22.2%), and Caroline County (6.4%). But it's more than 19964 (0.0%), 21636 (2.4%), 21644 (0.0%), 21649 (2.4%), and Henderson town (0.0%).
| 21640 | 2.5% |
| Henderson town | 0.0% |
| Caroline County | 6.4% |
| Queen Anne's County | 22.2% |
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 | |
|---|---|---|---|---|
| 21640 | $-1 | $-1 | $63,839 | $34,688 |
| Henderson town | $-1 | $100,833 | $-1 | $-1 |
| Caroline County | $55,172 | $68,946 | $87,083 | $47,906 |
| Queen Anne's County | $63,359 | $120,041 | $132,602 | $89,332 |
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 21640 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+ | |||||
| 21640 | +/-$10,703 | +/-$12,944 | +/-$5,277 | +/-3.7% | +/-$-1 | +/-$-1 | +/-$37,001 | +/-$17,881 |
| Henderson town | +/-$87,755 | +/-$50,631 | +/-$8,601 | +/-54.3% | +/-$-1 | +/-$36,703 | +/-$-1 | +/-$-1 |
| Caroline County | +/-$3,798 | +/-$4,923 | +/-$1,647 | +/-1.4% | +/-$13,811 | +/-$7,617 | +/-$7,321 | +/-$8,392 |
| Queen Anne's County | +/-$6,672 | +/-$5,796 | +/-$2,196 | +/-1.8% | +/-$13,668 | +/-$8,552 | +/-$8,990 | +/-$8,733 |