California Township is a civil township of Branch County in the U.S. state of Michigan. As of the 2000 census, the township had a total population of 909.
There are no incorporated municipalities within the primarily agricultural township. The only concentrated settlements are in two unincorporated communities:
According to the United States Census Bureau, the township has a total area of 55.2 km2 (21.3 mi2). 55.1 km2 (21.3 mi2) of it is land and 0.1 km2 (0.04 mi2) of it is water. The total area is 0.19% water.