District 109 is a legislative district located in the state of Illinois. It encompasses parts of Lake County and includes several communities, such as Highland Park and Deerfield. The district is represented in the Illinois House of Representatives and plays a role in state-level decision-making and policy development. The district is known for its diverse population and strong emphasis on education. It is served by multiple school districts, including Highland Park School District 113 and Deerfield School District 109. These institutions focus on providing quality education and fostering community engagement among residents.