Blair Township, Clay County, Illinois

[1] According to the 2010 census, the township (T5N R6E) has a total area of 36.22 square miles (93.8 km2), all land.

The township contains these eight cemeteries: Bethel, Conley, Connelly Family, Kincaid, Mascgher (Mascher) Family, Newton Chapel, Old Union and Ooten.

As of the 2020 census[1] there were 573 people, 279 households, and 228 families residing in the township.

There were 267 housing units at an average density of 7.38 per square mile (2.85/km2).

18.30% of all households were made up of individuals, and 10.80% had someone living alone who was 65 years of age or older.

Map of Illinois highlighting Clay County