About the town » Thayer, Oregon County, Missouri, United States

Thayer is a city in Oregon County, Missouri, United States. The population was 2,243 at the 2010 census. Its original name was Augusta.Thayer is considered a railroad town, as it was laid out in 1882 to be a division point. At the turn of the 20th century, 400 railroad men lived in Thayer. Currently, the Burlington Northern Santa Fe railroad travels through town. Thayer is located next to Mammoth Spring, Arkansas. Both towns are interconnected in many ways, but naturally have different governing bodies and school systems.