King County Population 2018

King County's estimated population is 2,149,970 with a growth rate of 1.69% in the past year according to the most recent United States census data. King County is the 1st largest county in Washington.

Year Population Growth Growth Rate
20162,149,97035,7141.69%
20152,114,25635,3701.70%
20142,078,88633,0121.61%
20132,045,87437,1111.85%
20122,008,76336,3191.84%
20111,972,44434,6581.79%
20101,937,786430,46728.56%
19901,507,319237,57018.71%
19801,269,749113,1169.78%
19701,156,633221,61923.70%
1960935,014202,02227.56%
1950732,992228,01245.15%
1940504,98041,4638.95%
1930463,51774,24419.07%
1920389,273104,63536.76%
1910284,638174,585158.64%
1900110,05346,06471.99%
189063,98957,079826.03%
18806,9104,790225.94%
18702,1201,818601.99%
18603020.00%

King County Population Growth

Population Data via

King County Race Data

Race Population Percentage
White1,469,79868.36%
Asian357,56716.63%
Black or African American142,0476.61%
Two or More Races104,6054.87%
American Indian and Alaska Native22,1331.03%
Native Hawaiian and Other Pacific Islander18,1060.84%

King County Population Pyramid

0k20k40k60k80k100k Male Population0k20k40k60k80k100k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990