Snohomish County Population 2018

Snohomish County's estimated population is 801,633 with a growth rate of 1.87% in the past year according to the most recent United States census data. Snohomish County is the 3rd largest county in Washington.

Year Population Growth Growth Rate
2017801,63314,6871.87%
2016786,94617,5022.27%
2015769,44412,3231.63%
2014757,12112,7441.71%
2013744,37712,3801.69%
2012731,99710,1601.41%
2011721,8376,4440.90%
2010715,393249,75153.64%
1990465,642127,92237.88%
1980337,72072,48427.33%
1970265,23693,03754.03%
1960172,19960,61954.33%
1950111,58022,82625.72%
194088,7549,89312.54%
193078,86111,17116.50%
192067,6908,48114.32%
191059,20935,259147.22%
190023,95015,436181.30%
18908,5147,127513.84%
18801,387788131.55%
18705990.00%

Snohomish County Population Growth

Population Data via

Snohomish County Race Data

Race Population Percentage
White614,37376.64%
Asian79,6399.93%
Two or More Races34,9984.37%
Black or African American24,7403.09%
American Indian and Alaska Native12,0271.50%
Native Hawaiian and Other Pacific Islander4,3880.55%

Snohomish County Population Pyramid

0k5k10k15k20k25k30k Male Population0k5k10k15k20k25k30k 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