Okawville is a village in Washington County, Illinois, United States.

[4] In the late 19th and early 20th century Okawville was a prominent spa community.

[5] According to the 2010 census, Okawville has a total area of 2.06 square miles (5.34 km2), all land.

[9] Okawville features Roland Barkau Memorial Golf Course, The American Legion Post 233, Rainbow Ranch, The Steam Pipe, and Heritage House Historic Sites and Museum.

[9] The Original Springs Mineral Spa and Hotel, established in 1867, features a spring-fed spa with waters containing minerals such as calcium, magnesium, potassium, zinc, iodine, iron, and sulfur.