Department of Numbers

King County Washington Household Income

The Census ACS 1-year survey reports that the median household income for the King County Washington area was $89,675 in 2017, the latest figures available. King County median household income is $18,696 higher than the median Washington household income and $29,339 greater than the US median household income. 2018 county income data (including King County median household income) will be released in September of 2019. Median family and per capita income for King County are shown below.

Show dollars as: Nominal Real

Real Median Household Income for King County Washington

2017 1 Year Change 3 Year Change
US $60,336 +2.51% +8.49%
Washington $70,979 +3.54% +11.60%
King County $89,675 +1.96% +14.09%

Trends in King County, WA Real Median Household Income since 2005

At $89,675, the median household income for King was at a new inflation adjusted high in 2017.

Real Median Household Income: King County, Washington, National

Historical Inflation Adjusted Median Household Income for King County

Date US Washington King County
2017 $60,336 $70,979 $89,675
2016 $58,856 $68,550 $87,947
2015 $57,709 $66,353 $84,757
2014 $55,613 $63,603 $78,598
2013 $55,072 $61,559 $75,713
2012 $54,948 $61,581 $73,854
2011 $55,162 $62,080 $75,122
2010 $56,388 $62,680 $74,559
2009 $57,519 $64,765 $77,659
2008 $59,382 $66,286 $80,113
2007 $60,135 $65,884 $79,417
2006 $59,051 $64,087 $77,379

King County Family Income

The ACS 1-year data shows the median family income for King County was $112,564 in 2017. Compared to the median Washington family income, King County median family income is $27,970 higher. As with the median household income data, 2018 family income data for King County will be released in September of 2019.

Show dollars as: Nominal Real

Real Median Family Income for King County Washington

2017 1 Year Change 3 Year Change
US $73,891 +1.79% +8.17%
Washington $84,594 +1.94% +10.01%
King County $112,564 +3.41% +10.78%

Trends in King County, WA Real Median Family Income since 2005

At $112,564, the median family income for King was at a new inflation adjusted high in 2017.

Real Median Family Income: King County, Washington, National

Historical Inflation Adjusted Median Family Income for King County

Date US Washington King County
2017 $73,891 $84,594 $112,564
2016 $72,591 $82,981 $108,850
2015 $70,627 $79,623 $105,752
2014 $68,313 $76,898 $101,610
2013 $67,488 $75,225 $97,777
2012 $66,880 $74,806 $94,313
2011 $67,126 $74,961 $97,738
2010 $68,289 $75,859 $95,096
2009 $69,958 $78,293 $98,570
2008 $72,321 $80,461 $102,000
2007 $72,500 $78,981 $101,720
2006 $71,330 $77,642 $98,480

King County Per Capita Income

The ACS 1-year survey shows the per capita income for King County was $49,662 in 2017. Compared to the median Washington per capita income, King County median per capita income is $12,687 higher. As with the median household and median family income numbers above, 2018 per capita income data for King County will be released in September of 2019.

Show dollars as: Nominal Real

Real Per Capita Income for King County Washington

2017 1 Year Change 3 Year Change
US $32,397 +1.88% +8.20%
Washington $36,975 +2.59% +12.04%
King County $49,662 +2.33% +14.72%

Trends in King County, WA Real Per Capita Income since 2005

At $49,662, the per capita income for King was at a new inflation adjusted high in 2017.

Real Per Capita Income: King County, Washington, National

Historical Real Per Capita Income for King County

Date US Washington King County
2017 $32,397 $36,975 $49,662
2016 $31,798 $36,043 $48,530
2015 $31,019 $34,647 $46,176
2014 $29,942 $33,002 $43,290
2013 $29,706 $32,328 $42,552
2012 $29,221 $31,940 $41,432
2011 $29,173 $31,980 $41,275
2010 $29,361 $31,958 $41,024
2009 $30,246 $33,039 $42,838
2008 $31,488 $34,482 $45,571
2007 $31,629 $34,402 $44,701
2006 $30,795 $33,329 $43,709