Lapwai is a city located in Idaho. With a 2020 population of 1,128, it is the 79th largest city in Idaho and the 9836th largest city in the United States. Lapwai is currently declining at a rate of -0.18% annually and its population has decreased by -0.79% since the most recent census, which recorded a population of 1,137 in 2010. Lapwai reached it's highest population of 1,137 in 2013. Spanning over 1 miles, Lapwai has a population density of 1,492 people per square mile.
The average household income in Lapwai is $50,729 with a poverty rate of 21.30%. The median rental costs in recent years comes to $710 per month, and the median house value is $93,600. The median age in Lapwai is 31.3 years, 30.2 years for males, and 31.8 years for females. For every 100 females there are 97.4 males.