Hamilton County, Iowa

Hamilton County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 15,673.[1] The county seat is Webster City.[2] The county was named to honor William W. Hamilton, a President of the Iowa State Senate.[3]

Not to be confused with Hamilton, Iowa.

Hamilton County
U.S. county
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°22′55″N 93°42′39″W
Country United States
State Iowa
Founded1856
SeatWebster City
Largest cityWebster City
Area
 • Total578 sq mi (1,500 km2)
 • Land577 sq mi (1,490 km2)
 • Water0.8 sq mi (2 km2)  0.1%
Population
 (2010)
 • Total15,673
 • Estimate 
(2018)
14,952
 • Density27/sq mi (10/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.hamiltoncounty.org

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.[4]

Major highways

Adjacent counties

Demographics
Historical population
CensusPop.%±
18601,699—
18706,055256.4%
188011,25285.8%
189015,31936.1%
190019,51427.4%
191019,242−1.4%
192019,5311.5%
193020,9787.4%
194019,922−5.0%
195019,660−1.3%
196020,0321.9%
197018,383−8.2%
198017,862−2.8%
199016,071−10.0%
200016,4382.3%
201015,673−4.7%
Est. 201814,952[5]−4.6%
U.S. Decennial Census[6]
1790-1960[7] 1900-1990[8]
1990-2000[9] 2010-2018[1]

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.[10]

2000 census
2000 Census Age Pyramid for Hamilton County

As of the census[11] 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

Cities

Unincorporated communities

Townships[13]

Population ranking

The population ranking of the following table is based on the 2010 census of Hamilton County.[14]

† 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

Politics

Hamilton County has been a swing county for most of its history. In the last 100 years, it has backed the losing candidate nationally only three times in the 1960, 1988, & 2012 presidential elections.

Presidential election results
Presidential election results[15]
Year Republican Democratic Third Parties
2016 58.0% 4,463 35.4% 2,726 6.6% 505
2012 50.4% 3,991 47.7% 3,782 1.9% 154
2008 48.4% 3,913 49.7% 4,018 1.9% 150
2004 52.4% 4,367 46.7% 3,895 0.9% 73
2000 52.4% 3,968 45.0% 3,407 2.6% 199
1996 42.7% 3,109 47.5% 3,455 9.8% 713
1992 39.5% 3,031 42.5% 3,262 18.1% 1,388
1988 43.7% 3,277 55.5% 4,156 0.8% 61
1984 55.6% 4,279 43.3% 3,330 1.1% 86
1980 57.4% 4,745 33.2% 2,741 9.4% 780
1976 49.0% 3,932 49.3% 3,953 1.7% 140
1972 60.9% 4,803 36.9% 2,913 2.2% 174
1968 57.6% 4,607 38.2% 3,058 4.2% 336
1964 37.5% 3,127 62.4% 5,195 0.1% 10
1960 57.4% 5,265 42.6% 3,905 0.0% 4
1956 59.6% 5,667 40.3% 3,829 0.2% 18
1952 71.3% 7,006 28.4% 2,788 0.4% 34
1948 48.1% 3,535 49.2% 3,613 2.7% 197
1944 46.9% 3,837 52.6% 4,302 0.5% 41
1940 44.0% 4,183 55.6% 5,279 0.4% 39
1936 36.2% 3,174 62.0% 5,432 1.7% 152
1932 30.6% 2,330 68.1% 5,191 1.4% 103
1928 58.0% 4,171 41.4% 2,975 0.6% 44
1924 60.7% 4,401 6.8% 490 32.5% 2,355
1920 82.9% 5,924 15.8% 1,126 1.4% 98
1916 70.9% 3,037 26.3% 1,125 2.8% 119
1912 19.4% 831 24.3% 1,041 56.4% 2,418
1908 68.2% 2,765 28.2% 1,145 3.6% 146
1904 77.1% 3,118 18.4% 746 4.5% 181
1900 73.2% 3,259 25.5% 1,134 1.4% 62
1896 69.3% 3,074 29.3% 1,300 1.5% 65
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See also

References
  1. "State & County QuickFacts". United States Census Bureau. Archived from the original on June 7, 2011. Retrieved July 17, 2014.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. Gannett, Henry (1905). The Origin of Certain Place Names in the United States. Govt. Print. Off. p. 148.
  4. "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. February 12, 2011. Retrieved April 23, 2011.
  5. "Population and Housing Unit Estimates". Retrieved June 25, 2019.
  6. "U.S. Decennial Census". United States Census Bureau. Retrieved July 17, 2014.
  7. "Historical Census Browser". University of Virginia Library. Retrieved July 17, 2014.
  8. "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 17, 2014.
  9. "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 17, 2014.
  10. "Population & Housing Occupancy Status 2010". United States Census Bureau - American FactFinder. Retrieved May 12, 2011.
  11. "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
  12. "Homer - Hamilton County History". Hamilton County History.
  13. "Plat book of Hamilton County, Iowa". Iowa Digital Library.
  14. 2010 Census
  15. Leip, David. "Dave Leip's Atlas of U.S. Presidential Elections". uselectionatlas.org. Retrieved April 26, 2018.

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