West Union is an unincorporated census-designated place located in York Township in the southeast corner of Clark County, Illinois, on Illinois Route 1.

According to the 2021 census gazetteer files, West Union has a total area of 1.81 square miles (4.69 km2), all land.

[3] As of the 2020 census[5] there were 271 people, 82 households, and 73 families residing in the CDP.

10.98% of all households were made up of individuals, and none had someone living alone who was 65 years of age or older.

This Clark County, Illinois location article is a stub.