Keystone, Iowa is a small city in Benton County, established in 1855. It was named after the Keystone Bridge Company, which built a bridge over the Iowa River nearby. The city was primarily an agricultural hub, with corn and soybeans being the main crops. Keystone is home to the Brucemore estate, a notable Queen Anne-style mansion built in 1884, which is now a National Trust Historic Site and popular tourist attraction.
Dollar General takes the top spot among Dollar Stores and Deep Discount Stores in Keystone, Iowa with 1 locations as of April 12, 2024.