Vinegar Hill Township is one of 23 townships in Jo Daviess County, Illinois, United States.

As of the 2010 census, its population was 364 and it contained 143 housing units.

[2] Its name changed from Mann Township on September 18, 1857.

According to the 2010 census, the township has a total area of 13.9 square miles (36 km2), all land.

[2]