Siegen-Wittgenstein is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 147. It is located in southern North Rhine-Westphalia, comprising the district of Siegen-Wittgenstein.
Siegen-Wittgenstein was created for the inaugural 1949 federal election. From 2009 to 2025, it was represented by Volkmar Klein of the Christian Democratic Union (CDU). Since 2025 it has been represented by Benedikt Büdenbender of the CDU.
Geography Siegen-Wittgenstein is located in southern North Rhine-Westphalia. As of the 2021 federal election, it is coterminous with the Siegen-Wittgenstein district.
History Siegen-Wittgenstein was created in 1949, then known as Siegen-Stadt und -Land – Wittgenstein. From 1965 through 1976, it was named Siegen – Wittgenstein. From 1980 through 1998, it was named Siegen-Wittgenstein I. It acquired its current name in the 2002 election. In the 1949 election, it was North Rhine-Westphalia constituency 66 in the numbering system. In the 1953 through 1976 elections, it was number 125. From 1980 through 1998, it was number 120. From 2002 through 2009, it was number 149. In the 2013 through 2021 elections, it was number 148. From the 2025 election, it has been number 147.
Originally, the constituency comprised the independent city of Siegen as well as the districts of Landkreis Siegen and Wittgenstein. In the 1969 and 1972 elections, it comprised the districts of Siegen and Wittgenstein. In the 1976 election, it was coterminous with the Siegen-Wittgenstein district. In the 1980 through 1998 elections, it comprised the Siegen-Wittgenstein district without the municipalities of Freudenberg, Hilchenbach, and Kreuztal. Since the 2002 election, it has again been coterminous with the Siegen-Wittgenstein district.
Election Name Borders 1949 Siegen-Stadt und -Land – Wittgenstein Siegen city Landkreis Siegen district Wittgenstein district 1953 125 1957 1961 1965 Siegen – Wittgenstein 1969 Siegen district Wittgenstein district 1972 1976 Siegen-Wittgenstein district 1980 120 Siegen-Wittgenstein I Siegen-Wittgenstein district (excluding Freudenberg, Hilchenbach, and Kreuztal municipalities) 1983 1987 1990 1994 1998 2002 149 Siegen-Wittgenstein Siegen-Wittgenstein district 2005 2009 2013 148 2017 2021 2025 147
Members The constituency was first represented by Theodor Siebel of the Christian Democratic Union (CDU) from 1949 to 1961. Hermann Schmidt of the Social Democratic Party (SPD) was elected in 1961 and served a single term, before Botho Prinz zu Sayn-Wittgenstein-Hohenstein regained it for the CDU in 1965. Schmidt was once again elected in 1969 and served four further terms as representative. Paul Breuer of the CDU was elected in 1983 and served until 1998. Marianne Klappert gained the constituency for the SPD in the 1998 election, and was succeeded in 2002 by fellow party member Willi Brase. Volkmar Klein of the CDU was elected in 2009, and re-elected in 2013, 2017, and 2021. In 2025 Benedikt Büdenbender, also of the CDU, succeeded Klein.
Election Member Party % 1949 Theodor Siebel CDU 38.0 1953 46.2 1957 51.4 1961 Hermann Schmidt SPD 41.6 1965 Botho Prinz zu Sayn-Wittgenstein-Hohenstein CDU 46.2 1969 Hermann Schmidt SPD 49.7 1972 54.0 1976 48.4 1980 49.5 1983 Paul Breuer CDU 50.6 1987 45.8 1990 45.6 1994 44.1 1998 Marianne Klappert SPD 46.4 2002 Willi Brase SPD 44.3 2005 43.6 2009 Volkmar Klein CDU 41.5 2013 45.8 2017 40.1 2021 33.6 2025 Benedikt Büdenbender CDU 34.1
Election results 2025 election
2021 election
2017 election
2013 election
2009 election
2005 election
References