Hamilton County, Iowa

administration
The Hamilton County Courthouse in Webster City
US state :	Iowa
Administrative headquarters :	Webster City
Address of the administrative headquarters:	County Courthouse 2300 Superior Street Webster City, IA 50595-3158
Foundation :	January 8, 1857
Made up from:	Webster County
Area code :	001 515
Demographics
Residents :	15,673 (2010)
Population density :	10.5 inhabitants / km ²
geography
Total area :	1496 km²
Water surface :	2 km²
map

Website : www.hamiltoncounty.org

The Hamilton County is a county in the US state of Iowa . At the 2010 census , the county had 15,673 people and a population density of 10.5 people per square kilometer. The county seat is Webster City .

geography

The county is located north of the geographic center of Iowa and covers an area of 1,496 square kilometers, of which two square kilometers are water. It borders on the following counties:

	Wright County	Franklin County
Webster County		Hardin County
Boone County		Story County

history

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

8 of the county's structures are on the National Register of Historic Places .

Demographic data

growth of population
Census	Residents	± in%
1860	1699	-
1870	6055	256.4%
1880	11,252	85.8%
1890	15,319	36.1%
1900	19,514	27.4%
1910	19,242	-1.4%
1920	19,531	1.5%
1930	20,978	7.4%
1940	19,922	-5%
1950	19,660	-1.3%
1960	20,032	1.9%
1970	18,383	-8.2%
1980	17,862	-2.8%
1990	16,071	-10%
2000	16,438	2.3%
2010	15,673	-4.7%
Before 1900 1900–1990 2000–2010

According to the 2010 census , Hamilton County had 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. Hispanic or Latino of any race was 5.0 percent of the population.

Statistically, there were 2.30 people each in the 6,681 households.

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 USD . The per capita income was $ 25,280. 9.2 percent of the population lived below the poverty line