Lewis County Population 2018

Lewis County's estimated population is 78,200 with a growth rate of 2.05% in the past year according to the most recent United States census data. Lewis County is the 16th largest county in Washington.

Year Population Growth Growth Rate
201778,2001,5702.05%
201676,6301,2111.61%
201575,4195820.78%
201474,837-137-0.18%
201374,974-466-0.62%
201275,440-217-0.29%
201175,6571570.21%
201075,50016,14227.19%
199059,3583,3335.95%
198056,02510,55823.22%
197045,4673,6098.62%
196041,858-1,897-4.34%
195043,7552,3625.71%
194041,3931,3593.39%
193040,0343,1948.67%
192036,8404,71314.67%
191032,12716,970111.96%
190015,1573,65831.81%
189011,4998,899342.27%
18802,6001,712192.79%
1870888504131.25%
1860384-174-31.18%
18505580.00%

Lewis County Population Growth

Population Data via

Lewis County Race Data

Race Population Percentage
White70,31889.92%
Two or More Races2,3763.04%
American Indian and Alaska Native1,4501.85%
Asian8511.09%
Black or African American5900.75%
Native Hawaiian and Other Pacific Islander1690.22%

Lewis County Population Pyramid

0k1k1k2k2k3k3k Male Population0k1k1k2k2k3k3k 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