Collinsville, Oklahoma, is a small city located in Tulsa County. It is part of the Tulsa Metropolitan Area and has a population of around 5,000 residents. The city is known for its friendly community atmosphere and offers various local amenities, including parks and schools. Founded in the late 19th century, Collinsville has a rich history tied to the railroad industry. The city features several historical sites and hosts annual events that celebrate its heritage. Its proximity to Tulsa provides residents with access to larger city resources while maintaining a small-town feel.