Saint Clair, MO, US is a city in Franklin County, established in 1868 and incorporated in 1955. It was named after the St. Clair River in Michigan. The city is known for its historic downtown district, which includes the Old Opera House, a notable landmark built in 1881 that now serves as a community center. Saint Clair has a rich railroad history, being a stop on the Missouri-Kansas-Texas Railroad line.
Ace Hardware takes the top spot among Home Improvement Stores in Saint Clair, Missouri with 1 locations as of May 8, 2024.