EntityQ575391· pop 34· linked from 65 articlesMason CitySign in to savecity in Mason County, IllinoisConnectionsrace and ethnicity in the United States CensusEntityUnited States Census BureauEntitylist of municipalities in IllinoisEntityIllinoisEntitytime zoneEntitygeographic coordinate systemEntitySpringfieldEntityDaylight saving timeConceptAfrican AmericansEntitycensusEntityQ5390EntityUTC−06:00Entitytelephone numbering planEntitypoverty lineEntityBoston Red SoxEntityNative Americans in the United StatesEntityLincolnEntityMason CountyEntityunincorporated areaEntitycensus-designated place in the United StatesEntityCategories1857 establishments in IllinoisCities in IllinoisCities in Mason County, IllinoisPopulated places in the United States established in 1857