There are 26 US Post Offices in Volusia County serving a total of 505,529 residents equating to 19,443 residents per post office. It's estimated that approximately 806,881 packages are handled across the 26 county post offices annually. Volusia County (/v\u0259\u02c8lu\u02d0\u0283\u0259/, v\u0259-LOOSH-\u0259) is located in the east-central part of the U.S. state of Florida, stretching between the St. Johns River and the Atlantic Ocean. As of the 2010 census, the county was home to 494,593 people, an increase of 11.6% from 2000. Its county seat is DeLand. It was founded on December 29, 1854, and was named for the community of Volusia, located in northwestern Volusia County. Volusia County is part of the Deltona\u2013Daytona Beach\u2013Ormond Beach, FL metropolitan statistical area, and is also part of the larger Orlando\u2013Deltona\u2013Daytona Beach, FL Combined Statistical Area."