Clay County, Iowa

Clay County is located in northwest Iowa, where the Little Sioux River meanders through the landscape. Lost Island Lake is a popular destination for fishing, boating, and lakeside recreation.

Spencer, the county seat, hosts the annual Clay County Fair each September. The event attracts more than 300,000 visitors and the fairgrounds also serve as a year-round events center for the community.

U.S. Highway 71 runs through Spencer, making it an important transportation route in the region. Whether visitors come for the Clay County Fair, outdoor recreation, or the area’s peaceful rural setting, Clay County offers a mix of community events and natural attractions.

CategoryDetails
County NameClay County
County SeatSpencer
EtymologyNamed after Henry Clay, a prominent American statesman
Cities, Towns, and CommunitiesSpencer, Everly, Peterson, Webb, Dickens, Gillett Grove, Greenville, Rossie, Royal
Interstates and HighwaysU.S. Highway 18, U.S. Highway 71, Iowa Highway 10, Iowa Highway 327
FIPS Code19-041
Total Area (Land and Water)573 square miles (land: 567 sq mi, water: 6 sq mi)
Adjacent Counties (and Direction)Dickinson County (North), Palo Alto County (East), Buena Vista County (South), O’Brien County (West)
Time ZoneCentral Time Zone (CST)
StateIowa
Coordinates43.15°N, 95.15°W
Major LandmarksClay County Fairgrounds, Parker Historical Society Museum, Scharnberg Park, Oneota Park
Population16,200
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