Carroll County, Iowa
Carroll County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,760. Its county seat is Carroll. The county is named in honor of Charles Carroll of Carrollton, signer of the Declaration of Independence. History Carroll County was formed on January 15, 1851, from sections of Pottawattamie County. It was named after Charles Carroll of Carrollton, Maryland, the only Roman Catholic and longest-living signer of the Declaration of Independence. In 1855, the county government was established in Carrollton and in 1858, the first courthouse was built. In 1869, the seat was moved to Carroll City (today Carroll) which was centrally located and connected to the Chicago and North Western Transportation Company. The courthouse was destroyed in 1886 by fire. The present courthouse was erected in 1965. However the courthouse is set to go under construction in the near future. Geography According to the U.S. Census Bureau, the county has a total area of , of which is land and (0.1%) is water. Major highways U.S. Highway 30 U.S. Highway 71 Iowa Highway 141 Adjacent counties Sac County (northwest) Calhoun County (northeast) Greene County (east) Guthrie County (southeast) Audubon County (south) Crawford