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.2020 U.S. Census Iowa Townships and Other Subdivisions Population, sos.iowa.gov The total area is 33.6 square miles.
This township was constituted on April 3, 1871, when it had a population of 129. It is 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.Biographical History of Shelby and Audubon Counties, ch 2 (1889) 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.White, Edward S. Past and Present of Shelby County, Iowa, p. 123 (1915)
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.ref1940 Census of Population: Volume 11960 Census of Population - Advance Reports - Final Population Counts; Reports and Tables: Illinois Through Massachusetts, p. 69 (1960)[1970 census info], pdf p. 77Iowa 1950 Census report, PDF p. 192010 census2000 Iowa Census1990 and 2000 township census numbers1980 Census of Population - Number of Inhabitants - Iowa, PC80-1-A17, U.S. Census
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