99121 Zip Code Historical Median Household Income by Age Data
ACS 2010-2014 data
| | 99121 Zip Code | Washington | U.S. |
| 25 to 44 | $86,667, see rank | $65,189 | $58,398 |
| 45 to 64 | $45,938, see rank | $72,872 | $65,027 |
ACS 2008-2012 data
| | 99121 Zip Code | Washington | U.S. |
| 25 to 44 | $84,583, see rank | $64,330 | $58,073 |
| 45 to 64 | $44,107, see rank | $71,909 | $64,486 |
US Census 2000 data
| | 99121 Zip Code | Washington | U.S. |
| 25 to 34 | $35,000, see rank | $43,570 | $41,414 |
| 35 to 44 | $43,750, see rank | $53,202 | $50,654 |
| 45 to 54 | $32,083, see rank | $59,445 | $56,300 |
| 55 to 64 | $53,750, see rank | $51,896 | $47,447 |
| 65 to 74 | $21,250, see rank | $34,849 | $31,368 |
| 75 or over | $13,750, see rank | $25,659 | $22,259 |
* 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.
