Cowlitz County Population 2018

Cowlitz County's estimated population is 106,910 with a growth rate of 2.06% in the past year according to the most recent United States census data. Cowlitz County is the 12th largest county in Washington.

Year Population Growth Growth Rate
2017106,9102,1542.06%
2016104,7561,7361.69%
2015103,0201,2361.21%
2014101,7843030.30%
2013101,481-168-0.17%
2012101,649-642-0.63%
2011102,291-62-0.06%
2010102,35320,23424.64%
199082,1192,5713.23%
198079,54810,93215.93%
197068,61610,81518.71%
196057,8014,4328.30%
195053,36913,21432.91%
194040,1558,24925.85%
193031,90620,115170.60%
192011,791-770-6.13%
191012,5614,68459.46%
19007,8771,96033.12%
18905,9173,855186.95%
18802,0621,332182.47%
187073032479.80%
18604060.00%

Cowlitz County Population Growth

Population Data via

Cowlitz County Race Data

Race Population Percentage
White94,79488.67%
Two or More Races3,4653.24%
American Indian and Alaska Native2,1372.00%
Asian1,6761.57%
Black or African American9360.88%
Native Hawaiian and Other Pacific Islander3700.35%

Cowlitz County Population Pyramid

0k1k2k3k4k Male Population0k1k2k3k4k 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