Lapwai is a city in Nez Perce County, Idaho, United States.

Its population was 1,137 at the 2010 census, and it is the seat of government of the Nez Perce Indian Reservation.

The area that is today Lapwai was the home of Hin-ma-tute-ke-kaikt, also known as Big Thunder and later as James.

It was here that Henry Spalding established a Protestant mission among the Nez Perce in 1836.

This was also the general region that Bill Craig settled, since his wife was James' daughter.

[7] The word "Lapwai" means place of the butterflies, as the area had thousands in early summer in earlier years.

[8] Lapwai is part of the Lewiston, ID-WA Metropolitan Statistical Area.

22.8% of all households were made up of individuals, and 8.7% had someone living alone who was 65 years of age or older.