Blissville Township is one of sixteen townships in Jefferson County, Illinois, USA.

As of the 2010 census, its population was 404 and it contained 172 housing units.

[2] According to the 2010 census, the township has a total area of 34.75 square miles (90.0 km2), of which 34.71 square miles (89.9 km2) (or 99.88%) is land and 0.03 square miles (0.078 km2) (or 0.09%) is water.

(This list is based on USGS data and may include former settlements.)

The township contains these six cemeteries: Gilbert, Knob Prairie, Minson, Mount Zion, Quinn and Taylor.