Clay County (Iowa)

The Clay County is a county located in the U.S. state of Iowa. In the census in 2010, the County had 16,667 inhabitants and a population density of 11.3 inhabitants per square kilometer. The administrative headquarters ( County Seat) is Spencer.


The County is located in northwest Iowa, is in the north about 30 miles from Minnesota, and to the west about 70 miles from North Dakota and has an area of 1483 square kilometers, of which nine square kilometers of water surface. It is bordered by the following counties:


The Clay County was on 15 January 1851 as a free- designated - formed territory - but in reality populated by Indians.

It was named after Henry Clay, Jr. (1811-1847), a son of Henry Clay and officers who fell in the battle of Buena Vista in the Mexican War in 1847.

Until October 1858 the County was also managed by the management of the Woodbury County.

Demographic data

According to the census in 2010 lived in Clay County for 16,667 people in 7448 households. The population density was 11.3 inhabitants per square kilometer.

The racial the population was composed of 96.5 percent white, 0.4 percent African American, 0.2 percent Native American, 0.6 percent Asian and other ethnic groups; 1.1 percent were descended from two or more races. Regardless of ethnicity were 2.9 percent of the population are Hispanic or Latino of any race.

In the 7448 households lived statistically 2.18 per person.

23.0 percent of the population were under 18 years old, 58.6 percent were between 18 and 64 and 18.4 percent were 65 years or older. 51.0 percent of the population was female.

The median income for a household was $ 44,294. The per capita income was $ 23,198. 9.0 percent of the population lived below the poverty line.

Places in Clay County


  • Dickens
  • Fostoria
  • Gillett Grove
  • Greenville
  • Peterson
  • Rossie
  • Royal
  • Spencer
  • Webb

Unincorporated Community

  • Everly


The Clay County is divided into 16 townships:

  • Clay Township
  • Douglas Township
  • Freeman Township
  • Garfield Township
  • Gillett Grove Township
  • Herd Country Township
  • Lake Township
  • Lincoln Township
  • Logan Township
  • Lone Tree Township
  • Meadow Township
  • Peterson Township
  • Riverton Township
  • Sioux Township
  • Summit Township
  • Waterford Township

The city of Spencer belong to any Township.