[1] Saarlouis was created for the inaugural 1957 federal election after the accession of Saarland to Germany.

In the 1976 through 1998 elections, it acquired a configuration similar to its current borders, but lacking the municipalities of Bous, Ensdorf, Schwalbach, and Wadgassen from the Saarlouis district.

Ottmar Schreiner of the Social Democratic Party (SPD) was elected in 1990 and served until 2009.

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.

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