Smithton is located in Saint Clair County, Illinois. There are roughly 857 residents, living in 324 households. The average temperature for Smithton this time of the year is low of 54F and high of 77F. On average, Smithton gets about 4.16 inches of precipitation in May. Most residents are home owners (87%), have a post secondary degree (50%) and are married, no kids (34%).
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