Hamilton County (Iowa)

The Hamilton County is a county located in the U.S. state of Iowa. In the census in 2010, the County had 15,673 inhabitants and a population density of 10.5 inhabitants per square kilometer. The administrative headquarters ( County Seat) is Webster City.


The County is located north of the geographical center of Iowa and has an area of ​​1,496 square kilometers, of which two square miles are water. It is bordered by the following counties:


The Hamilton County was formed on January 8, 1857 former parts de Webster County. It was named for William W. Hamilton, the then President of the Senate of Iowa.

Demographic data

According to the census in 2010 lived in Hamilton County 15,673 people in 6,681 households. The population density was 10.5 inhabitants per square kilometer.

The racial the population was composed of 93.8 percent white, 0.3 percent African American, 0.2 percent Native American, 2.0 percent Asian and other ethnic groups; 1.4 percent were descended from two or more races. Regardless of ethnicity were 5.0 percent of the population are Hispanic or Latino of any race.

In the 6,681 households lived statistically 2.30 per person.

24.0 percent of the population were under 18 years old, 57.9 percent were between 18 and 64 and 18.1 percent were 65 years or older. 50.3 percent of the population was female.

The median income for a household was $ 46,994. The per capita income was $ 25,280. 9.2 percent of the population lived below the poverty line

Places in Hamilton County


  • Blair castle
  • Ellsworth
  • Jewell
  • Kamrar
  • Randall
  • Stanhope
  • Stratford1
  • Webster City
  • Williams

Unincorporated Community

  • Homer

1 - partially in Webster County


The Hamilton County is divided into 16 townships:

  • Blair Township
  • Cass Township
  • Clear Lake Township
  • Ellsworth Township
  • Freedom Township
  • Fremont Township
  • Hamilton Township
  • Independence Township
  • Liberty Township
  • Lincoln Township
  • Lyon Township
  • Marion Township
  • Rose Grove Township
  • Scott Township
  • Webster Township
  • Williams Township

The City of Webster City belongs to no Township.