Lewis County Population 2018

Lewis County's estimated population is 3,887 with a growth rate of 1.14% in the past year according to the most recent United States census data. Lewis County is the 41st largest county in Idaho.

Year Population Growth Growth Rate
20173,887441.14%
20163,843631.67%
20153,780-30-0.79%
20143,81080.21%
20133,802-17-0.45%
20123,819150.39%
20113,804-16-0.42%
20103,8203048.65%
19903,516-602-14.62%
19804,1182516.49%
19703,867-556-12.57%
19604,4232155.11%
19504,208-458-9.82%
19404,666-572-10.92%
19305,238-613-10.48%
19205,8510.00%

Lewis County Population Growth

Population Data via

Lewis County Race Data

Race Population Percentage
White3,36986.67%
American Indian and Alaska Native2526.48%
Two or More Races1213.11%
Black or African American210.54%
Asian170.44%
Native Hawaiian and Other Pacific Islander110.28%

Lewis County Population Pyramid

0k0k0k0k Male Population0k0k0k0k 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