[4] Floyd River runs through the township, and Waterman Creek is the main drainage outlet.
[8] In April 1878, the board of supervisors of O'Brien County created Lincoln Township, and the first elections were held in September of that year.
[10] The first settlers moved to Lincoln Township from Hardin County, Iowa, in 1870.
A branch of the Burlington, Cedar Rapids and Northern Railway used to run through the northwest part of the township, with a station at Plessis.
[12] In the O'Brien County Board of Supervisors, Lincoln Township is represented by Timothy Overmire of District 1.