Franklin Grove Township (formerly China Township) is one of twenty-two townships in Lee County, Illinois, USA.

As of the 2000 census, its population was 1,472.

[2] Its name was changed from China Township in 1994.

[3] According to the United States Census Bureau, Franklin Grove Township covers an area of 26.86 square miles (69.6 km2); of this, 26.85 square miles (69.5 km2) (99.96 percent) is land and 0.01 square miles (0.026 km2) (0.04 percent) is water.

The township contains these two cemeteries: Franklin Grove and Temperance Hill.