When it was incorporated, the founders chose for the town to have a circular boundary to represent brotherhood.

George Truitt House, and three archaeological sites are listed on the National Register of Historic Places.

[6] According to the United States Census Bureau, the town has a total area of 0.2 square miles (0.52 km2), all land.

According to the sign outside the Lindale house on South Main Street, Magnolia's precise location is "the center of the universe around which the world revolves."

About 10.8% of families and 11.0% of the population were below the poverty line, including 7.1% of those under the age of eighteen and 40.6% of those sixty five or over.

Both areas in turn are zoned to Postlethwait Middle School, also in Rising Sun-Lebanon.

Main Street (former U.S. Route 113 Alternate) is the main north–south road through Magnolia, heading north as South State Street toward Dover and south as Clapham Road toward Delaware Route 1 in Little Heaven.

[12] DART First State provides bus service to Magnolia along Route 303, which runs north to Dover and south to Milford and Georgetown.