Walnut Grove Township is located in McDonough County, Illinois. There are roughly 622 residents, living in 265 households. The average temperature for Walnut Grove Township this time of the year is low of 63F and high of 85F. On average, Walnut Grove Township gets about 3.59 inches of precipitation in August. Most residents are home owners (82%), have a post secondary degree (65%) and are married, no kids (40%).
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