<prompt> Bhala ukuqhubeka kwalesi sigaba - IRinggold County iyisifunda esise-U.S. esifundazweni sase-Iowa. Ngokubalwa kwabantu ngo-2020, inani labantu lalingu-4,663, okwenza kube yisifunda sase-Iowa esinabantu besibili abancane. Inhloko-dolobha yesifundazwe yiMount Ayr. Lesi sifunda siqanjwe ngoMaj. Samuel Ringgold, iqhawe leMpi yasePalo Alto  <response>: yalwa ngoMeyi 1846, phakathi neMpi YaseMexico neMelika. Ingesinye sezifundazwe ezingama-26 zase-Iowa ezinegama eliyingqayizivele ezweni lonke. 