Comparison to Surrounding Areas
The median household income ($104,966) for 21157 is less than the median household income for 21797 ($189,241), 21776 ($133,409), 21784 ($139,395), 21048 ($131,921), 21074 ($108,536), 21102 ($135,069), 21158 ($109,827), 21771 ($157,302), Carroll County ($118,211), and Manchester town ($121,676). But it's more than Westminster city ($86,219).
| 21157 | $104,966 |
| Manchester town | $121,676 |
| Westminster city | $86,219 |
| Carroll County | $118,211 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($128,446) for 21157 is less than the average household income for 21797 ($209,234), 21776 ($144,384), 21784 ($165,007), 21048 ($161,634), 21074 ($129,825), 21102 ($149,147), 21158 ($135,704), 21771 ($174,549), Carroll County ($142,587), and Manchester town ($143,313). But it's more than Westminster city ($111,248).
| 21157 | $128,446 |
| Manchester town | $143,313 |
| Westminster city | $111,248 |
| Carroll County | $142,587 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21157 is $49,793. The per capita income ($49,793) for 21157 is less than the per capita income for 21797 ($70,998), 21776 ($54,829), 21784 ($56,974), 21048 ($58,207), 21074 ($52,305), 21102 ($54,845), 21158 ($52,759), 21771 ($60,220), Carroll County ($53,124), and Manchester town ($52,617). But it's more than Westminster city ($44,953).
| 21157 | $49,793 |
| Manchester town | $52,617 |
| Westminster city | $44,953 |
| Carroll County | $53,124 |
Get Per-Capita Income for all Zip Codes in Maryland.
18.9% of households make over $200,000 a year. The percent high income households (18.9%) for 21157 is less than the percent high income households for 21797 (43.5%), 21776 (23.9%), 21784 (30.8%), 21048 (29.2%), 21102 (26.0%), 21771 (34.2%), Carroll County (23.1%), and Manchester town (19.6%). But it's more than 21074 (16.8%), 21158 (18.5%), and Westminster city (13.1%).
| 21157 | 18.9% |
| Manchester town | 19.6% |
| Westminster city | 13.1% |
| Carroll County | 23.1% |
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 | |
|---|---|---|---|---|
| 21157 | $52,672 | $131,155 | $142,881 | $56,600 |
| Manchester town | $-1 | $144,167 | $152,788 | $67,750 |
| Westminster city | $51,958 | $98,021 | $117,994 | $50,977 |
| Carroll County | $58,773 | $140,910 | $148,624 | $71,452 |
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 21157 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+ | |||||
| 21157 | +/-$9,822 | +/-$6,532 | +/-$2,198 | +/-2.6% | +/-$5,382 | +/-$19,483 | +/-$12,541 | +/-$6,634 |
| Manchester town | +/-$21,471 | +/-$21,729 | +/-$7,030 | +/-7.0% | +/-$-1 | +/-$37,840 | +/-$34,877 | +/-$37,222 |
| Westminster city | +/-$13,458 | +/-$8,204 | +/-$2,770 | +/-2.9% | +/-$18,645 | +/-$22,884 | +/-$10,950 | +/-$10,914 |
| Carroll County | +/-$3,883 | +/-$2,749 | +/-$950 | +/-1.1% | +/-$5,929 | +/-$7,273 | +/-$5,233 | +/-$3,938 |