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County · Idaho

Lewis County

3,728Population
5.8 %Change since 2020
36Net migration
4.4 %Unemployment rate

Facts

Population
3,728 (2024)
Change since 2020
5.8 %
Net migration
36 (2023)
Unemployment rate
4.4 % (2025)
State
Idaho
Population base, April 2020
3,523 (2020)
Births
34 (2023)
Births per 1,000 residents, 2023
9.1
Deaths
59 (2023)
Deaths per 1,000 residents, 2023
15.8
Natural change, 2023
-25
International migration
0 (2023)
Domestic migration
36 (2023)
Net migration per 1,000, 2023
9.7
Postal code
ID
FIPS code
16061

Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS

Unemployment rate, annual average

199020254.47.8
PeriodValue
20254.4 %
20244.3 %
20233.9 %
20224.5 %
20216.2 %
20208.7 %
20195.6 %
20185.7 %
20176.1 %
20166.6 %
20155.4 %
20144.1 %

Population estimates, 2020–2024

202020243,7283,524
PeriodValue
20243,728
20233,740
20223,727
20213,689
20203,524