Hamilton County, Iowa facts for kids

Hamilton County
	Quick facts for kidsHamilton County, Iowa
	Map
	; Location in the state of Iowa
	; Iowa's location in the U.S.
	Statistics
Founded	1856
Seat	Webster City
Largest City	Webster City
Area; - Total; - Land; - Water	; 578 sq mi (1,497 km²); 577 sq mi (1,494 km²); 0.8 sq mi (2 km²), 0.1%
Population; - (2010); - Density	; 15,673; 27/sq mi (10/km²)
Time zone	Central: UTC-6/-5
	Website: www.hamiltoncounty.org

Not to be confused with Hamilton, Iowa.

Hamilton County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 15,673. The county seat is Webster City. The county was named in honor of William W. Hamilton, who served as President of the Iowa State Senate.

Geography

According to the U.S. Census Bureau, the county has a total area of 578 square miles (1,500 km²), of which 577 square miles (1,490 km²) is land and 0.8 square miles (2.1 km²) (0.1%) is water.

Major highways

Interstate 35
U.S. Highway 20
U.S. Highway 69
Iowa Highway 17
Iowa Highway 175

Adjacent counties

Wright County (north)
Hardin County (east)
Story County (southeast)
Boone County (southwest)
Webster County (west)

Demographics

Historical population
Census	Pop.	%±
1860	1,699	—
1870	6,055	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	−5.0%
1950	19,660	−1.3%
1960	20,032	1.9%
1970	18,383	−8.2%
1980	17,862	−2.8%
1990	16,071	−10.0%
2000	16,438	2.3%
2010	15,673	−4.7%
Est. 2015	15,190	−3.1%
U.S. Decennial Census 1790-1960 1900-1990 1990-2000 2010-2013

2010 census

The 2010 census recorded a population of 15,673 in the county, with a population density of 27.1780/sq mi (10.4935/km²). There were 7,219 housing units, of which 6,540 were occupied.

2000 census

2000 Census Age Pyramid for Hamilton County

As of the census of 2000, there were 16,438 people, 6,692 households, and 4,597 families residing in the county. The population density was 28 people per square mile (11/km²). There were 7,082 housing units at an average density of 12 per square mile (5/km²). The racial makeup of the county was 96.71% White, 0.23% Black or African American, 0.20% Native American, 1.46% Asian, 0.01% Pacific Islander, 0.61% from other races, and 0.78% from two or more races. 1.42% of the population were Hispanic or Latino of any race.

There were 6,692 households out of which 30.60% had children under the age of 18 living with them, 57.90% were married couples living together, 7.60% had a female householder with no husband present, and 31.30% were non-families. 27.50% of all households were made up of individuals and 13.60% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.95.

In the county, the population was spread out with 25.40% under the age of 18, 7.10% from 18 to 24, 27.10% from 25 to 44, 22.40% from 45 to 64, and 18.00% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 98.00 males. For every 100 females age 18 and over, there were 94.80 males.

The median income for a household in the county was $38,658, and the median income for a family was $45,771. Males had a median income of $30,579 versus $23,595 for females. The per capita income for the county was $18,801. About 4.30% of families and 6.30% of the population were below the poverty line, including 7.70% of those under age 18 and 5.50% of those age 65 or over.

Communities

Population ranking

The population ranking of the following table is based on the 2010 census of Hamilton County.

† county seat

Rank	City/Town/etc.	Municipal type	Population (2010 Census)
1	† Webster City	City	8,070
2	Jewell Junction	City	1,215
3	Stratford (partially in Webster County)	City	743
4	Ellsworth	City	531
5	Stanhope	City	422
6	Williams	City	344
7	Blairsburg	City	215
8	Kamrar	City	199
9	Randall	City	173