Lincoln Township, Shelby County, Iowa

Lincoln Township is a township in Shelby County, Iowa. In the 2020 U.S. Census, there were 406 residents of the township, with 137 occupied dwellings, and 3 unoccupied dwellings. The total area is 33.6 square miles.

This township was constituted on April 3, 1871, when it had a population of 129. It it bounded to the north by Westphalia Township, on the east by Center, on the south by Shelby and Fairview, and on the west by Cass. The first white settler in what became the township was likely Jacob Bosley, who arrived in 1865, followed most likely by T.A. Long in 1868.

The township's population declined since the 1930 census (population 640) to 371 in the 2020 census, before rising slightly to 406 in the 2020 census.