Isabella Township is a civil township of Isabella County in the U.S. state of Michigan. The population was 2,096 at the 2020 census.
Communities
- The village of Rosebush is within the township, and the Rosebush post office, with ZIP code 48878, also serves the northern portion of Isabella Township.
- The city of Mount Pleasant is nearby to the south, and the Mount Pleasant post office, with ZIP code 48858, also serves the southern portion of Isabella Township.
Geography
According to the U.S. Census Bureau, the township has a total area of , of which 0.04 square mile (0.1 km<sup>2</sup>, 0.05%) is water.
Demographics
As of the census