Trisha Shetty

Grundy County, Iowa

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Founded  1851
Congressional district  4th
Population  12,314 (2013)
County seat  Grundy Center
Named for  Felix Grundy
Time zone  Central: UTC-6/-5
Area  1,300 km²
Unemployment rate  3.7% (Apr 2015)
Largest city  Grundy Center
Grundy County, Iowa wwwgrundycountyiacomimagesdefaultsourcesecon
Cities  Grundy Center, Reinbeck, Dike, Wellsburg, Conrad, Beaman, Holland, Morrison, Stout
Rivers  Black Hawk Creek, Cedar Creek, Phelps Creek

Good quality bare land tract 80 acres grundy county iowa

Grundy County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 12,453. The county seat is Grundy Center. The county is named for Felix Grundy, former U.S. Attorney General.


Map of Grundy County, IA, USA

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


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.


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

  • U.S. Highway 20
  • Iowa Highway 14
  • Iowa Highway 57
  • Iowa Highway 175
  • Adjacent counties

  • Butler County (north)
  • Black Hawk County (east)
  • Tama County (southeast)
  • Marshall County (southwest)
  • Hardin County (west)
  • 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.

    2000 census

    As of the census of 2000, there were 12,369 people, 4,984 households, and 3,583 families residing in the county. The population density was 25 people per square mile (10/km²). There were 5,304 housing units at an average density of 11 per square mile (4/km²). The racial makeup of the county was 98.97% White, 0.08% Black or African American, 0.02% Native American, 0.29% Asian, 0.15% from other races, and 0.48% from two or more races. 0.58% of the population were Hispanic or Latino of any race.

    There were 4,984 households out of which 30.70% had children under the age of 18 living with them, 63.80% were married couples living together, 5.50% had a female householder with no husband present, and 28.10% were non-families. 25.50% of all households were made up of individuals and 14.20% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.94.

    In the county, the population was spread out with 25.20% under the age of 18, 6.30% from 18 to 24, 25.10% from 25 to 44, 24.10% from 45 to 64, and 19.30% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 95.70 males. For every 100 females age 18 and over, there were 92.10 males.

    The median income for a household in the county was $39,396, and the median income for a family was $46,627. Males had a median income of $32,006 versus $22,003 for females. The per capita income for the county was $19,142. About 3.30% of families and 4.60% of the population were below the poverty line, including 4.60% of those under age 18 and 5.70% of those age 65 or over.

    Population ranking

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

    county seat


    Grundy County, Iowa Wikipedia

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