Collinsville is located in Grayson County, Texas. There are roughly 214 residents, living in 81 households. The average temperature for Collinsville this time of the year is low of 72F and high of 95F. On average, Collinsville gets about 2.37 inches of precipitation in July. Most residents are home owners (68%), have a high school diploma (49%) and are single, no kids (33%).
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