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Grundy County is a county located in the U.S. state of Iowa. At the 2020 census, the population was 12,329, and was estimated to be 12,361 in 2025. The county seat and the largest city is Grundy Center. The county is named for Felix Grundy, former U.S. Attorney General.
Description adapted from Wikipedia, CC BY-SA 4.0.
Grundy County was formed on January 15, 1851, and became self-governing in 1856. It was named after Felix Grundy, a U.S. Senator and Representative from Tennessee and a former U.S. Attorney General under President Martin Van Buren. 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.
Adapted from Wikipedia, CC BY-SA 4.0.
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