[1] Crystal Township's post office was established in 1868.
Early settlers came from Ayrshire, Scotland and focused on raising livestock in this agriculturally-centered town.
The Presbyterian Church of Crystal Township was the first of that denomination in the County, and was organized in 1850.
By 1868 Crystal Township had a general store, a shoe shop, a blacksmith, and a schoolhouse.
This article about the geography of Tama County, Iowa is a stub.