Lewis County
County
State Bank of Kamiah
Location within the U.S. state of Idaho
Idaho's location within the U.S.
Coordinates: 46°14′N 116°26′W / 46.24°N 116.43°W / 46.24; -116.43
Country	United States
State	Idaho
Founded	March 3, 1911
Named for	Meriwether Lewis
Seat	Nezperce
Largest city	Kamiah
Area
• Total	480 sq mi (1,200 km2)
• Land	479 sq mi (1,240 km2)
• Water	0.9 sq mi (2 km2)  0.2%
Population  (2020)
• Total	3,533
• Density	7.4/sq mi (2.8/km2)
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	1st
Website	lewiscountyid.us

Lewis County is a county in the north central region of the U.S. state of Idaho. As of the 2020 census, 3,533 people lived there.^[1] The county seat is Nezperce,^[2] and largest city is Kamiah.

• Craigmont
• Kamiah
• Nezperce
• Reubens
• Winchester

• Slickpoo

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