EntityQ575758· pop 32· linked from 48 articlesMasonSign in to savetown in Effingham County, Illinois, United StatesConnectionsrace and ethnicity in the United States CensusEntityEffingham CountyEntitylist of municipalities in IllinoisEntityIllinoisEntitytime zoneEntitygeographic coordinate systemEntityDaylight saving timeConcepttownEntityQ5390EntityUTC−06:00Entitytelephone numbering planEntitypoverty lineEntityMason CountyEntityunincorporated areaEntityEffinghamEntityMount VernonEntityper capita incomeEntityZIP codeEntitycounty seatEntity2010 United States CensusEntityCategories1865 establishments in IllinoisPopulated places in the United States established in 1865Towns in Effingham County, IllinoisTowns in Illinois