Caldwell & Western Canyon County

The western edge of the Treasure Valley, centered on Caldwell — Canyon County's seat and fourth-largest city in Idaho at roughly 70,000 residents. Caldwell blends a historic downtown, the College of Idaho campus, and the Indian Creek Festival grounds with newer suburban growth. Further west, small agricultural towns like Greenleaf, Wilder, Homedale, Parma, and Notus preserve the valley's farming heritage along the Snake and Boise rivers.