Phillipsburg is a village in Montgomery County, Ohio, United States. The population was 498 at the 2020 census. It is part of the Dayton Metropolitan Statistical Area. Phillipsburg was platted in 1836, and named for Philip Studybaker, a member of the town company. A post office was established as Centre in 1848, the name was changed to Center in 1…Phillipsburg is a village in Montgomery County, Ohio, United States. The population was 498 at the 2020 census. It is part of the Dayton Metropolitan Statistical Area. Phillipsburg was platted in 1836, and named for Philip Studybaker, a member of the town company. A post office was established as Centre in 1848, the name was changed to Center in 1893, and changed again to Phillipsburg in 1903. Phillipsburg was incorporated as a village in 1899.