New Boston, Missouri

New Boston is an unincorporated community in eastern Linn County, Missouri, United States. It is located on Missouri Route 129 approximately 16 miles northeast of Brookfield. Mussel Fork flows past 1 mile to the east in adjacent Macon County.

New Boston was laid out in 1846, and named after Boston, Massachusetts. A post office called New Boston has been in operation since 1872.