Comparison to Surrounding Areas
The median household income ($24,417) for 20899 is less than 20877 ($92,800), 20878 ($144,313), Montgomery County ($132,450), and Gaithersburg city ($112,467).
| 20899 | $24,417 |
| Gaithersburg city | $112,467 |
| Montgomery County | $132,450 |
Get Median Household Income for all Zip Codes in Maryland.
The average household income ($27,240) for 20899 is less than 20877 ($115,049), 20878 ($186,238), Montgomery County ($181,376), and Gaithersburg city ($144,533).
| 20899 | $27,240 |
| Gaithersburg city | $144,533 |
| Montgomery County | $181,376 |
Get Average Household Income for all Zip Codes in Maryland.
The per-capita income for 20899 is $27,240. The per capita income ($27,240) for 20899 is less than 20877 ($38,973), 20878 ($69,431), Montgomery County ($67,571), and Gaithersburg city ($54,861).
| 20899 | $27,240 |
| Gaithersburg city | $54,861 |
| Montgomery County | $67,571 |
Get Per-Capita Income for all Zip Codes in Maryland.
0% of households make over $200,000 a year. The percent high income households (0.0%) for 20899 is less than 20877 (15.0%), 20878 (33.7%), Montgomery County (31.1%), and Gaithersburg city (22.3%).
| 20899 | 0.0% |
| Gaithersburg city | 22.3% |
| 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 | |
|---|---|---|---|---|
| 20899 | $-1 | $-1 | $-1 | $-1 |
| Gaithersburg city | $71,797 | $107,243 | $131,596 | $103,946 |
| 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 20899 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+ | |||||
| 20899 | +/-$3,091 | +/-$5,328 | +/-$5,328 | +/-44.9% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Gaithersburg city | +/-$6,406 | +/-$6,208 | +/-$2,491 | +/-2.4% | +/-$44,856 | +/-$11,126 | +/-$8,067 | +/-$11,054 |
| Montgomery County | +/-$2,073 | +/-$2,169 | +/-$721 | +/-0.5% | +/-$9,493 | +/-$4,080 | +/-$3,338 | +/-$3,159 |