In the fantastic area of Collinsville you’ll be in good company with around 33,419 residents with around 71% of those homeowners. With an average age of 41, the residents of Collinsville are well established, made up of families of all age groups. Though fairly kicked back throughout the week, during weekends and holidays, you can see a lot more activity and excitement. Over the past 30 days roughly 30 homes have been sold with an average sold price of 227,985. That is a decrease of $42,757 from the previous period.