Beginning as a French-Canadian fur trader’s grant, the little settlement developed into a prosperous farming community settled by an influx of German Catholics in the 19th Century. The settlement took its name from the first log church which was established in 1815, as St. Peters on Dardenne Creek. By the Century’s end, the little town boasted two railroad depots, and a flourishing main street of shops, hotels, and saloons. The church relocated and expanded several times eventually becoming the lovely gothic All Saints Church on the hill, whose steeple is visible from many areas of the City. Stones in the church grave yard date from the early 1800′s. The village of 269 people formally incorporated on February 19,1910.

As automobiles and trucks replaced horses and railroads, part of the Salt River Road became Highway 40 in the 1920′s. With the completion of a new span over the Missouri, in the 1960′s, the highway became Interstate 70 and bisected the little village.

In 1959, with a population of 404, and a total area of about 88 acres, St. Peters voted to become a city.