[3] Hanover is located along the fall line where the ocean met the shore in prehistoric times.

In August 2010, Preston Partners sought to rezone a failed commercial project on the historic Disney farm into a transit-oriented development funded by Magic Johnson.

The Maryland Department of Transportation is headquartered at 7201 Corporate Center Drive, which has a Hanover address.

[7] According to the 2014–2018 American Community Survey by the United States Census Bureau, Hanover has a median household income of $116,098.

Hanover was the 6th most expensive zip-code in Anne Arundel County, being only behind Gibson Island, West River, Davidsonville, Severna Park, and Gambrills.