Lanark, Illinois, is a small city located in Carroll County in the northwestern part of the state. Founded in the mid-19th century, it has a rich history tied to agriculture and local industry. The city is known for its friendly community and small-town charm, making it a pleasant place for residents and visitors alike. The population of Lanark is around 1,500 people, and it covers an area of approximately 1.5 square miles. The city is served by the Lanark Community School District, which provides education for local children. Outdoor activities are popular in the area, with nearby parks and recreational facilities available for residents.