Donnellson is located in Montgomery County, Illinois. There are roughly 13 residents, living in 2 households. The average temperature for Donnellson this time of the year is low of 66F and high of 89F. On average, Donnellson gets about 3.65 inches of precipitation in July. Most residents are home owners (84%), have a high school diploma (65%) and are single, no kids (38%).
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