Kamiah is a city located in Lewis County Idaho. With a 2020 population of 1,220, it is the 76th largest city in Idaho and the 9508th largest city in the United States . Kamiah is currently declining at a rate of -0.97% annually and its population has decreased by -5.79% since the most recent census, which recorded a population of 1,295 in 2010. Kamiah reached it's highest population of 1,293 in 2010. Spanning over 1 miles, Kamiah has a population density of 1,111 people per square mile.
The average household income in Kamiah is $40,865 with a poverty rate of 21.50%. The median rental costs in recent years comes to $544 per month, and the median house value is $134,100. The median age in Kamiah is 48.1 years, 41.6 years for males, and 50.8 years for females.