USA.com / Maryland / Montgomery County / Gaithersburg, MD / 20899 / Income and Careers / Historical Median Household Income by Age Data
20899 Zip Code Historical Median Household Income by Age Data
ACS 2010-2014 data
| 20899 Zip Code | Maryland | U.S. | |
| 25 to 44 | $12,135, see rank | $76,590 | $58,398 |
| 45 to 64 | $22,135, see rank | $90,470 | $65,027 |
ACS 2008-2012 data
| 20899 Zip Code | Maryland | U.S. | |
| 25 to 44 | $11,641, see rank | $76,237 | $58,073 |
| 45 to 64 | $19,444, see rank | $88,713 | $64,486 |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.