A post office called Seatonville has been in operation since 1889, named for W. A. Seaton, an early settler. The town is part of a constellation of coal mining towns centered on Spring Valley and LaSalle, Illinois. The Seaton brothers, Isom and James, sank the first coal mine shaft there in 1880. The mine was sold in 1888 to the Chicago, Wilmington, and Vermilion Coal Company based in Braidwood, Illinois. During the strike of 1889, it was the only mine operating in northern Illinois. A small community of African-Americans was brought in by the company to replace deserting miners. The mine went bankrupt in 1900 and was purchased by the Spring Valley Coal Company. The town grew until the mine was closed in 1913.
Geography
Seatonville is located at . According to the 2010 census, Seatonville has a total area of, of which is land and is water.
Demographics
As of the census of 2000, there were 303 people, 131 households, and 85 families residing in the village. The population density was 623.5 people per square mile. There were 138 housing units at an average density of 284.0 per square mile. The racial makeup of the village was 95.71% White, 1.65% Asian, 1.65% from other races, and 0.99% from two or more races. Hispanic or Latino of any race were 6.60% of the population. There were 131 households out of which 26.0% had children under the age of 18 living with them, 55.0% were married couplesliving together, 9.9% had a female householder with no husband present, and 34.4% were non-families. 29.8% of all households were made up of individuals and 23.7% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.90. In the village, the population was spread out with 20.1% under the age of 18, 9.6% from 18 to 24, 21.8% from 25 to 44, 28.1% from 45 to 64, and 20.5% who were 65 years of age or older. The median age was 45 years. For every 100 females, there were 89.4 males. For every 100 females age 18 and over, there were 89.1 males. The median income for a household in the village was $32,656, and the median income for a family was $41,071. Males had a median income of $37,083 versus $18,000 for females. The per capita income for the village was $26,197. About 5.0% of families and 6.3% of the population were below the poverty line, including 8.2% of those under the age of eighteen and 10.4% of those sixty five or over.
