The value of all farms and ranches for sale in Lewis County recently was approximately $8 million, representing a total of 1,321 acres of land for sale in Lewis County. Lewis County ranks 42nd in the Gem State for the total number of acres of land currently advertised for sale. Kamiah featured the most land for sale. Its economy is defined as agricultural, with 216 farms recorded in the county during the most recent U.S. Census. Farming activities in Lewis County generate annual revenues of $2 million, most of which is from crops. Lewis County is Idaho's 41st largest county (479 square miles). It's located in the North Central Idaho region of Idaho.