Welcome to Kellogg Idaho History. This website features pictures, attractions, restaurants, and history of Kellogg. Kellogg has a population of 2,238 and continues to fluctuate. It started as a mining town in the North West. Since then, Kellogg has grown and now has the worlds longest Gondola Ride, the North West’s largest indoor water park, and has many accommodations surrounding in the valley. Kellogg is part of the Silver Valley which includes many other towns surrounding. Plan your next vacation to Kellogg, Idaho, where you can see the true beauty of nature and have a blast while you’re here!