Clay County Iowa - A guide to Clay County, Iowa government offices, conservation area, recreation, golf courses, and museums. Includes information on each office, search the Board of Spencer minutes and view pictures of native prairie plants as well as links to local sites of interest. Clay County Fair - Held annually in September. Includes fair history, schedules, photos and map. Located in Spencer. Iowa State University Extension - Clay County - Offers agricultural, business, family and 4-H programs and resources. Includes staff directory, news, events, hours and directions. Located in Spencer. Clay County Assessor - Provides general information about the position, duties and market value. Includes parcel, residential, commercial and agricultural land sale search. Located in Spencer. City-Data.com: Clay County, Iowa - Profiles population demographics, jobs, housing, agriculture and crime statistics. Includes a list of recreational areas, churches, cemeteries, post offices, charts, graphs and maps. Historic Bridges of the U.S. : Bridges in Clay County, Iowa - Database provides overview, status, history and categories of bridges in the county. Includes photographs.