USA.com / Maryland / Montgomery County / Gaithersburg, MD / 20899 / Income and Careers / Historical Median Individual Worker Income Data
20899 Zip Code Historical Median Individual Worker Income Data
ACS 2010-2014 data
| 20899 Zip Code | 22,240 USD |
| Maryland | 40,501 USD |
| U.S. | 30,815 USD |
ACS 2008-2012 data
| 20899 Zip Code | 14,727 USD |
| Maryland | 39,955 USD |
| U.S. | 30,376 USD |
* 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.