City of Spencer
101 W. 5th St. • Spencer, IA 51301
Welcome to Spencer! We are an Iowa city located at the confluence of the Little Sioux and Ocheyedan Rivers. The population was 11,317 as of the 2000 census. It is the county seat of Clay County. Spencer is famous as the home of the Clay County Fair, held annually in September. The fair averages 315,000 visitors per year.Spencer was ranked 10th best place to live in the United States by Relocate-America.com's "America's Top 100 Places to Live for 2007."