Okawville was originally known simply as "Okaw," from an early name of the Kaskaskia River that derived from the Mississippi Valley Frenchau Kaskaskies. The post office was known as Okaw from its establishment in 1836 until 1872, when the name was changed to Okawville. In the late 19th and early 20th century Okawville was a prominent spa community. The first Okawville Springs Hotel was established in 1867.
Geography
Okawville is located at . According to the 2010 census, Okawville has a total area of, all land.
Demographics
As of the census of 2000, there were 1,355 people, 569 households, and 372 families residing in the village. The population density was 668.6 people per square mile. There were 617 housing units at an average density of 304.4 per square mile. The racial makeup of the village was 98.23% White, 0.37% African American, 0.52% Native American, 0.15% Asian, 0.22% from other races, and 0.52% from two or more races. Hispanic or Latino of any race were 0.37% of the population. There were 569 households out of which 29.5% had children under the age of 18 living with them, 55.9% were married couplesliving together, 6.5% had a female householder with no husband present, and 34.6% were non-families. 30.4% of all households were made up of individuals and 16.9% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.98. In the village, the population was spread out with 24.8% under the age of 18, 7.2% from 18 to 24, 28.1% from 25 to 44, 22.2% from 45 to 64, and 17.6% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 97.5 males. For every 100 females age 18 and over, there were 93.4 males. The median income for a household in the village was $37,448, and the median income for a family was $50,089. Males had a median income of $32,226 versus $22,813 for females. The per capita income for the village was $19,476. About 3.6% of families and 6.5% of the population were below the poverty line, including 5.6% of those under age 18 and 9.3% of those age 65 or over.
Okawville features Roland Barkau Memorial Golf Course, Rainbow Ranch, The Steam Pipe, and Heritage House Historic Sites and Museum.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.