Comparison to Surrounding Areas
The median household income ($183,571) for 21770 is less than the median household income for Monrovia CDP ($207,153) and New Market town ($202,872). But it's more than 20872 ($141,050), 21754 ($182,188), 21771 ($157,302), 21774 ($171,103), Frederick County ($122,002), and Green Valley CDP ($171,707).
| 21770 | $183,571 |
| Green Valley CDP | $171,707 |
| Monrovia CDP | $207,153 |
| New Market town | $202,872 |
| Frederick County | $122,002 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($194,627) for 21770 is less than the average household income for 21754 ($222,051), Monrovia CDP ($233,239), and New Market town ($217,551). But it's more than 20872 ($159,706), 21771 ($174,549), 21774 ($180,456), Frederick County ($148,300), and Green Valley CDP ($190,415).
| 21770 | $194,627 |
| Green Valley CDP | $190,415 |
| Monrovia CDP | $233,239 |
| New Market town | $217,551 |
| Frederick County | $148,300 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 21770 is $58,954. The per capita income ($58,954) for 21770 is less than the per capita income for 21754 ($72,917), 21771 ($60,220), 21774 ($59,972), Green Valley CDP ($59,911), Monrovia CDP ($68,424), and New Market town ($65,882). But it's more than 20872 ($55,057) and Frederick County ($54,982).
| 21770 | $58,954 |
| Green Valley CDP | $59,911 |
| Monrovia CDP | $68,424 |
| New Market town | $65,882 |
| Frederick County | $54,982 |
Get Per-Capita Income for all Zip Codes in Maryland.
44.2% of households make over $200,000 a year. The percent high income households (44.2%) for 21770 is less than the percent high income households for 21754 (44.9%), Monrovia CDP (54.4%), and New Market town (51.2%). But it's more than 20872 (29.3%), 21771 (34.2%), 21774 (38.0%), Frederick County (24.6%), and Green Valley CDP (41.1%).
| 21770 | 44.2% |
| Green Valley CDP | 41.1% |
| Monrovia CDP | 54.4% |
| New Market town | 51.2% |
| 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 | |
|---|---|---|---|---|
| 21770 | $-1 | $183,112 | $218,250 | $147,266 |
| Green Valley CDP | $-1 | $172,208 | $212,500 | $119,250 |
| Monrovia CDP | $-1 | $200,708 | $246,006 | $-1 |
| New Market town | $-1 | $217,500 | $204,966 | $82,083 |
| 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 21770 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+ | |||||
| 21770 | +/-$20,324 | +/-$16,348 | +/-$5,548 | +/-9.3% | +/-$-1 | +/-$10,231 | +/-$64,734 | +/-$67,173 |
| Green Valley CDP | +/-$16,148 | +/-$13,372 | +/-$4,915 | +/-6.2% | +/-$-1 | +/-$20,409 | +/-$13,996 | +/-$45,496 |
| Monrovia CDP | +/-$58,385 | +/-$30,807 | +/-$8,436 | +/-12.2% | +/-$-1 | +/-$39,862 | +/-$79,462 | +/-$-1 |
| New Market town | +/-$28,400 | +/-$32,032 | +/-$11,082 | +/-9.5% | +/-$-1 | +/-$47,893 | +/-$2,664 | +/-$40,668 |
| Frederick County | +/-$2,489 | +/-$2,160 | +/-$744 | +/-0.9% | +/-$8,769 | +/-$3,514 | +/-$4,897 | +/-$3,939 |