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Floyd County, Iowa facts for kids

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Floyd County
Courthouse in Charles City with Veterans Memorial in front
Courthouse in Charles City with Veterans Memorial in front
Map of Iowa highlighting Floyd County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Country  United States
State  Iowa
Founded 1851
Named for Charles Floyd
Seat Charles City
Largest city Charles City
Area
 • Total 501 sq mi (1,300 km2)
 • Land 501 sq mi (1,300 km2)
 • Water 0.8 sq mi (2 km2)  0.1%
Population
 (2020)
 • Total 15,627
 • Density 31.19/sq mi (12.043/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 4th

Floyd County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 15,627. The county seat is Charles City.

History

Floyd County was established in 1854 and was named for Sgt. Charles Floyd of the Lewis and Clark Expedition, who died in 1804 near what is now Sioux City, Iowa, and who was the only member thereof to die on the Expedition.

The first school in the county was taught at Nora Springs in 1854. The second was opened at Charles City, the third at Floyd. Twelve years later there were 54 schools in the county, in September, 1875, there were 100 school-houses in Floyd County.

Geography

According to the U.S. Census Bureau, the county has a total area of 501 square miles (1,300 km2), of which 501 square miles (1,300 km2) is land and 0.8 square miles (2.1 km2) (0.1%) is water.

Major highways

  • US 18.svg U.S. Highway 18
  • US 218 (IA).svg U.S. Highway 218
  • Iowa 14.svg Iowa Highway 14
  • Iowa 27.svg Iowa Highway 27

Adjacent counties

Demographics

Historical population
Census Pop.
1860 3,744
1870 10,768 187.6%
1880 14,677 36.3%
1890 15,424 5.1%
1900 17,754 15.1%
1910 17,119 −3.6%
1920 18,860 10.2%
1930 19,524 3.5%
1940 20,169 3.3%
1950 21,505 6.6%
1960 21,102 −1.9%
1970 19,860 −5.9%
1980 19,597 −1.3%
1990 17,058 −13.0%
2000 16,900 −0.9%
2010 16,303 −3.5%
2020 15,627 −4.1%
U.S. Decennial Census
1790–1960 1900–1990
1990–2000 2010–2018
FloydCountyIowaPop2020
Population of Floyd County from US census data

2020 census

The 2020 census recorded a population of 15,627 in the county, with a population density of 31.1337/sq mi (12.0208/km2). 96.21% of the population reported being of one race. 86.67% were non-Hispanic White, 2.68% were Black, 3.52% were Hispanic, 0.21% were Native American, 1.89% were Asian, 0.08% were Native Hawaiian or Pacific Islander and 4.95% were some other race or more than one race. There were 7,314 housing units of which 6,674 were occupied.

2010 census

The 2010 census recorded a population of 16,303 in the county, with a population density of 32.567/sq mi (12.574/km2). There were 7,526 housing units, of which 6,886 were occupied.

Communities

Cities

Unincorporated communities

Townships

Floyd County is divided into twelve townships:

  • Cedar
  • Floyd
  • Niles
  • Pleasant Grove
  • Riverton
  • Rock Grove
  • Rockford
  • Rudd
  • Saint Charles
  • Scott
  • Ulster
  • Union

Population ranking

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

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Charles City City 7,652
2 Nashua (mostly in Chickasaw County) City 1,663
3 Nora Springs (partially in Cerro Gordo County) City 1,431
4 Greene (mostly in Butler County) City 1,130
5 Rockford City 860
6 Rudd City 369
7 Floyd City 335
8 Marble Rock City 307
9 Colwell City 73
10 Roseville CDP 49
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