- Tolu is a city located in the state of Illinois in the United States. It is a small, rural community with a population of around 200 people. Tolu is known for its picturesque countryside, friendly residents, and quiet atmosphere. The city offers a peaceful retreat from the urban hustle and bustle, with opportunities for outdoor activities such as fishing, hiking, and camping. Tolu may not be a bustling metropolis, but it provides a charming and serene environment for those looking to reconnect with nature and enjoy a slower pace of life.