[3] District 14 straddles the border between New Castle County and Kent County, covering all of Smyrna, Clayton, Odessa, Blackbird, and Leipsic, as well as parts of Middletown.

It overlaps with the 8th, 9th, 11th, 28th, and 29th districts of the Delaware House of Representatives.

[6] The district borders Maryland to the west and New Jersey along the Delaware River.

[1] Delaware Senators are elected to staggered four-year terms.

Under normal circumstances, the 14th district holds elections in presidential years, except immediately after redistricting, when all seats are up for election regardless of usual cycle.