Williamsville is a city in Wayne County, Missouri, United States, along the Black River. The population was 279 at the 2020 census. Williamsville was platted in 1871 when the railroad was extended to that point. A post office called williamsville has been in operation since 1873. The community's name is most likely derived from that of William Williams, the original …Williamsville is a city in Wayne County, Missouri, United States, along the Black River. The population was 279 at the 2020 census. Williamsville was platted in 1871 when the railroad was extended to that point. A post office called williamsville has been in operation since 1873. The community's name is most likely derived from that of William Williams, the original owner of the town site.
Save
Share
More