Blandinsville is a village in McDonough County, Illinois, United States. The population was 651 at the 2010 census. It has since declined to 595 as of 2019. The town is named for Joseph L. Blandin, owner of the first general store. In 1842, the town was platted on a tract known as Job's Settlement, named after early settlers William and Ira Job. A post office was established in 1843. The Frank Hicks House in Blandinsville was constructed by architect George Franklin Barber in 1895. The town currently features on main street two bars on main street 2 Doors Down, and Slup's Bar and Grill, and a restaurant called Tink's cafe. There are active churches operating in the town. The town also features the Blandinsville Golf & Country golf course, and the Blandin House Museum. Geography According to the 2010 census, Blandinsville has a total area of , all land. Blandinsville Golf & Country golf course (formerly known as Twin Oaks Golf) course is on the western edge of town. Demographics As of the census of 2000, there were 777 people, 339 households, and 224 families residing in the village. The population density was . There were 353 housing units at an average density of . The racial makeup of the village was 98.71% White, 0.13% Asian, 0.51% from other races, and 0.64% from two or more races. Hispanic or Latino of any race were 0.77% of the population. There were 339 households, out of which 28.9% had children under the age of 18 living with them, 54.0% were married couples living together, 7.4% had a female householder with no husband present, and 33.9% were non-families. 29.8% of all households were made up of individuals, and 18.0% had someone living alone who was 65 years of age or older. The average household size was 2.29 and the average family size was 2.83. In the village, the population was spread out, with 22.3% under the age of 18, 8.4% from 18 to 24, 26.5% from 25 to 44, 23.9% from 45 to 64, and 18.9% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 101.3 males. For every 100 females age 18 and over, there were 98.0 males. The median income for a household in the village was $30,272, and the median income for a family was $39,028. Males had a