In the 1998 election, the municipality of Reinfeld and Amt of Nordstormarn were transferred from Segeberg – Stormarn-Nord to Ostholstein.

The constituency was held by the Christian Democratic Union (CDU) from its creation in 1976 until 1980, during which time it was represented by Karl Carstens, who resigned in 1979 to become President of the Federal Republic.

The constituency was won by the Social Democratic Party (SPD) in 1980, and represented by Günther Jansen for a single term.

From 1998 to 2009, it was held by the SPD, during which time it was represented by Antje-Marie Steen until 2002, and then Bettina Hagedorn.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.

Yellow background denotes an electorate win by a list member, or other incumbent.