North Branch Township is a civil township of Lapeer County in the U.S. state of Michigan. The population was 3,571 at the 2020 census. The Village of North Branch is located within the township. According to the United States Census Bureau, the township has a total area of 36.3 square miles, of which 36.2 square miles is land and 0.2 square mileā¦North Branch Township is a civil township of Lapeer County in the U.S. state of Michigan. The population was 3,571 at the 2020 census. The Village of North Branch is located within the township. According to the United States Census Bureau, the township has a total area of 36.3 square miles, of which 36.2 square miles is land and 0.2 square miles is water.