Comparison to Surrounding Areas
The median household income ($93,015) for 21791 is less than the median household income for 21798 ($116,607), 21757 ($100,500), 21771 ($157,302), 21776 ($133,409), 21158 ($109,827), 21701 ($106,577), Frederick County ($122,002), Carroll County ($118,211), and Libertytown CDP ($113,865). But it's more than 21762 ($-1), 21787 ($91,682), and Union Bridge town ($76,250).
| 21791 | $93,015 |
| Libertytown CDP | $113,865 |
| Union Bridge town | $76,250 |
| Carroll County | $118,211 |
| Frederick County | $122,002 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($109,742) for 21791 is less than the average household income for 21798 ($162,291), 21757 ($119,958), 21771 ($174,549), 21776 ($144,384), 21158 ($135,704), 21701 ($137,084), Frederick County ($148,300), Carroll County ($142,587), and Libertytown CDP ($137,038). But it's more than 21762 ($-1), 21787 ($108,460), and Union Bridge town ($75,347).
| 21791 | $109,742 |
| Libertytown CDP | $137,038 |
| Union Bridge town | $75,347 |
| Carroll County | $142,587 |
| Frederick County | $148,300 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21791 is $41,286. The per capita income ($41,286) for 21791 is less than the per capita income for 21798 ($50,330), 21776 ($54,829), 21787 ($41,725), 21158 ($52,759), 21701 ($60,194), 21757 ($46,390), 21771 ($60,220), Frederick County ($54,982), and Carroll County ($53,124). But it's more than 21762 ($34,328), Libertytown CDP ($38,549), and Union Bridge town ($34,161).
| 21791 | $41,286 |
| Libertytown CDP | $38,549 |
| Union Bridge town | $34,161 |
| Carroll County | $53,124 |
| Frederick County | $54,982 |
Get Per-Capita Income for all Zip Codes in Maryland.
9.2% of households make over $200,000 a year. The percent high income households (9.2%) for 21791 is less than the percent high income households for 21798 (29.6%), 21771 (34.2%), 21776 (23.9%), 21787 (11.8%), 21158 (18.5%), 21701 (20.5%), 21757 (13.5%), Frederick County (24.6%), Carroll County (23.1%), and Libertytown CDP (17.2%). But it's more than 21762 (0.0%) and Union Bridge town (0.0%).
| 21791 | 9.2% |
| Libertytown CDP | 17.2% |
| Union Bridge town | 0.0% |
| Carroll County | 23.1% |
| Frederick County | 24.6% |
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 | |
|---|---|---|---|---|
| 21791 | $-1 | $113,247 | $102,500 | $68,080 |
| Libertytown CDP | $-1 | $113,951 | $-1 | $-1 |
| Union Bridge town | $-1 | $85,710 | $79,063 | $43,125 |
| Carroll County | $58,773 | $140,910 | $148,624 | $71,452 |
| Frederick County | $67,867 | $129,626 | $151,637 | $85,114 |
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 21791 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+ | |||||
| 21791 | +/-$9,656 | +/-$10,978 | +/-$4,060 | +/-4.1% | +/-$-1 | +/-$22,511 | +/-$23,761 | +/-$8,419 |
| Libertytown CDP | +/-$18,414 | +/-$31,153 | +/-$8,867 | +/-15.0% | +/-$-1 | +/-$17,565 | +/-$-1 | +/-$-1 |
| Union Bridge town | +/-$18,368 | +/-$6,625 | +/-$5,729 | +/-8.7% | +/-$-1 | +/-$1,161 | +/-$27,347 | +/-$24,940 |
| Carroll County | +/-$3,883 | +/-$2,749 | +/-$950 | +/-1.1% | +/-$5,929 | +/-$7,273 | +/-$5,233 | +/-$3,938 |
| Frederick County | +/-$2,489 | +/-$2,160 | +/-$744 | +/-0.9% | +/-$8,769 | +/-$3,514 | +/-$4,897 | +/-$3,939 |