Apple River Township is one of 23 townships in Jo Daviess County, Illinois, United States.

As of the 2010 census, its population was 498 and it contained 257 housing units.

[2] It was formed from Thompson Township on September 13, 1858.

According to the 2010 census, the township has a total area of 18.46 square miles (47.8 km2), all land.

[2] The township contains Saint Joseph Cemetery.