Comparison to Surrounding Areas
The median household income ($144,313) for 20878 is less than the median household income for 20854 ($250,001), Darnestown CDP ($232,135), North Potomac CDP ($186,514), and Travilah CDP ($250,001). But it's more than 20874 ($115,022), 20879 ($112,104), 20899 ($24,417), 20850 ($125,950), 20877 ($92,800), Montgomery County ($132,450), and Gaithersburg city ($112,467).
| 20878 | $144,313 |
| Darnestown CDP | $232,135 |
| Gaithersburg city | $112,467 |
| North Potomac CDP | $186,514 |
| Travilah CDP | $250,001 |
| Montgomery County | $132,450 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($186,238) for 20878 is less than the average household income for 20854 ($341,063), Darnestown CDP ($296,528), North Potomac CDP ($215,193), and Travilah CDP ($328,231). But it's more than 20874 ($141,353), 20879 ($138,708), 20899 ($27,240), 20850 ($156,543), 20877 ($115,049), Montgomery County ($181,376), and Gaithersburg city ($144,533).
| 20878 | $186,238 |
| Darnestown CDP | $296,528 |
| Gaithersburg city | $144,533 |
| North Potomac CDP | $215,193 |
| Travilah CDP | $328,231 |
| Montgomery County | $181,376 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20878 is $69,431. The per capita income ($69,431) for 20878 is less than the per capita income for 20854 ($114,794), Darnestown CDP ($99,157), North Potomac CDP ($74,358), and Travilah CDP ($107,390). But it's more than 20874 ($52,219), 20879 ($48,025), 20899 ($27,240), 20850 ($68,066), 20877 ($38,973), Montgomery County ($67,571), and Gaithersburg city ($54,861).
| 20878 | $69,431 |
| Darnestown CDP | $99,157 |
| Gaithersburg city | $54,861 |
| North Potomac CDP | $74,358 |
| Travilah CDP | $107,390 |
| Montgomery County | $67,571 |
Get Per-Capita Income for all Zip Codes in Maryland.
33.7% of households make over $200,000 a year. The percent high income households (33.7%) for 20878 is less than the percent high income households for 20854 (64.5%), Darnestown CDP (60.1%), North Potomac CDP (45.1%), and Travilah CDP (61.1%). But it's more than 20874 (20.9%), 20879 (21.6%), 20899 (0.0%), 20850 (25.2%), 20877 (15.0%), Montgomery County (31.1%), and Gaithersburg city (22.3%).
| 20878 | 33.7% |
| Darnestown CDP | 60.1% |
| Gaithersburg city | 22.3% |
| North Potomac CDP | 45.1% |
| Travilah CDP | 61.1% |
| Montgomery County | 31.1% |
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 | |
|---|---|---|---|---|
| 20878 | $45,682 | $135,370 | $176,788 | $113,234 |
| Darnestown CDP | $-1 | $250,001 | $250,001 | $129,516 |
| Gaithersburg city | $71,797 | $107,243 | $131,596 | $103,946 |
| North Potomac CDP | $2,499 | $189,485 | $222,614 | $118,618 |
| Travilah CDP | $-1 | $250,001 | $250,001 | $176,042 |
| Montgomery County | $57,976 | $127,095 | $162,171 | $109,242 |
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 20878 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+ | |||||
| 20878 | +/-$7,146 | +/-$6,791 | +/-$2,702 | +/-2.2% | +/-$40,320 | +/-$14,852 | +/-$14,335 | +/-$9,866 |
| Darnestown CDP | +/-$46,211 | +/-$39,613 | +/-$13,084 | +/-7.6% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$41,758 |
| Gaithersburg city | +/-$6,406 | +/-$6,208 | +/-$2,491 | +/-2.4% | +/-$44,856 | +/-$11,126 | +/-$8,067 | +/-$11,054 |
| North Potomac CDP | +/-$6,709 | +/-$11,691 | +/-$3,878 | +/-3.3% | +/-$-1 | +/-$11,227 | +/-$18,685 | +/-$27,203 |
| Travilah CDP | +/-$-1 | +/-$32,425 | +/-$11,348 | +/-5.9% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$44,967 |
| Montgomery County | +/-$2,073 | +/-$2,169 | +/-$721 | +/-0.5% | +/-$9,493 | +/-$4,080 | +/-$3,338 | +/-$3,159 |