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Grundy County, Iowa facts for kids

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Grundy County
Grundy County Courthouse
Map of Iowa highlighting Grundy 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 Felix Grundy
Seat Grundy Center
Largest city Grundy Center
Area
 • Total 502 sq mi (1,300 km2)
 • Land 502 sq mi (1,300 km2)
 • Water 0.04 sq mi (0.1 km2)  0.01%
Population
 (2020)
 • Total 12,329
 • Density 24.560/sq mi (9.483/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 4th

Grundy County is a county located in the U.S. state of Iowa. At the 2020 census, the population was 12,329. The county seat is Grundy Center. The county is named for Felix Grundy, former U.S. Attorney General.

Grundy County is included in the Waterloo-Cedar Falls, IA Metropolitan Statistical Area.

History

Grundy County was formed on January 15, 1851, and became self-governing in 1856. It was named after Felix Grundy of Tennessee, a statesman, Senator, member of the House of Representatives and Attorney General under President James K. Polk.

The first courthouse was built in 1861. The wooden, two-story building contained a courtroom, but was used for other purposes, including housing the office of the sheriff, county treasurer, the judge, as well as a chamber for the jury. The cornerstone for a second courthouse was laid on November 11, 1891.

Geography

According to the U.S. Census Bureau, the county has a total area of 502 square miles (1,300 km2), of which 502 square miles (1,300 km2) is land and 0.04 square miles (0.10 km2) (0.01%) is water.

Major highways

  • US 20.svg U.S. Highway 20
  • Iowa 14.svg Iowa Highway 14
  • Iowa 57.svg Iowa Highway 57
  • Iowa 175.svg Iowa Highway 175

Adjacent counties

Demographics

Historical population
Census Pop.
1860 793
1870 6,399 706.9%
1880 12,639 97.5%
1890 13,215 4.6%
1900 13,757 4.1%
1910 13,574 −1.3%
1920 14,420 6.2%
1930 14,133 −2.0%
1940 13,518 −4.4%
1950 13,722 1.5%
1960 14,132 3.0%
1970 14,119 −0.1%
1980 14,366 1.7%
1990 12,029 −16.3%
2000 12,369 2.8%
2010 12,453 0.7%
2020 12,329 −1.0%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2018
GrundyCountyIowaPop2020
Population of Grundy County from US census data

2020 census

The 2020 census recorded a population of 12,329 in the county, with a population density of 24.5631/sq mi (9.4839/km2). 96.97% of the population reported being of one race. 94.83% were non-Hispanic White, 0.40% were Black, 1.18% were Hispanic, 0.08% were Native American, 0.19% were Asian, 0.00% were Native Hawaiian or Pacific Islander and 3.33% were some other race or more than one race. There were 5,465 housing units, of which 5,069 were occupied.

2010 census

The 2010 census recorded a population of 12,453 in the county, with a population density of 24.7816/sq mi (9.5682/km2). There were 5,530 housing units, of which 5,131 were occupied.

Communities

Townships

  • Beaver Township
  • Black Hawk Township
  • Clay Township
  • Colfax Township
  • Fairfield Township
  • Felix Township
  • German Township
  • Grant Township
  • Lincoln Township
  • Melrose Township
  • Palermo Township
  • Pleasant Valley Township
  • Shiloh Township
  • Washington Township

Population ranking

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

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Grundy Center City 2,706
2 Reinbeck City 1,664
3 Dike City 1,209
4 Conrad City 1,108
5 Wellsburg City 707
6 Holland City 282
7 Stout City 224
8 Beaman City 191
9 Morrison City 94

See also

Kids robot.svg In Spanish: Condado de Grundy (Iowa) para niños

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