EntityQ1925303· pop 34· linked from 70 articlesSt. OlafSign in to savehuman settlement in Clayton County, Iowa, United States of AmericaConnections2020 United States CensusEntityrace and ethnicity in the United States CensusEntityUnited StatesCountrycityEntitymarriageEntityIowaEntitytime zoneEntitygeographic coordinate systemEntitypopulation densityEntityU.S. stateEntityDaylight saving timeConceptAfrican AmericansEntitycensusEntityQ5390EntityUTC−06:00EntityUnited States Census BureauEntitytelephone numbering planEntitypoverty lineEntityUnited States Geological SurveyEntityNative Americans in the United StatesEntityCategories1872 establishments in IowaCities in Clayton County, IowaCities in IowaPopulated places in the United States established in 1872