USA.com / Maryland / Montgomery County / Gaithersburg, MD / 20899 / Income and Careers / Historical Median Household Income by Races Data
20899 Zip Code Historical Median Household Income by Races Data
ACS 2010-2014 data
| 20899 Zip Code | Maryland | U.S. | |
| White | $15,156, see rank | $82,638 | $56,900 |
| Black | $18,750, see rank | $58,657 | $35,600 |
ACS 2008-2012 data
| 20899 Zip Code | Maryland | U.S. | |
| White | $14,141, see rank | $81,036 | $56,203 |
| Black | $11,992, see rank | $57,660 | $35,564 |
* 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.