Armstrong is an unincorporated community in St. Johns County, Florida, United States, located off State Road 207.
It was established in 1886 and became an African American community along a rail line.
Potatoes and turpentine were among the products produced commercially in the area.
[1] Armstrong is the location of the Saint Johns County Fairgrounds, though the fairgrounds lists their address as being in nearby Elkton.
This article about a location in St. Johns County, Florida is a stub.