Lahn-Dill is an electoral constituency (German language: 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 171. It is located in western Hesse, comprising the Lahn-Dill-Kreis district and a small part of the Gießen district.
Lahn-Dill was created for the inaugural 1949 federal election. From 2021 to 2025, it has been represented by Dagmar Schmidt of the Social Democratic Party (SPD). Since 2025 it is represented by Johannes Volkmann of the CDU.
Originally, the constituency comprised the districts of Wetzlar and Dillkreis. In the 1980 through 1998 elections, it comprised the Lahn-Dill-Kreis district as well as, from the Gießen district, the municipalities of Biebertal and Wettenberg and the Stadtteil of Lützellinden from Gießen municipality. In the 2002 election, it lost the Stadtteil of Lützellinden.
1949 | Karl Gaul | FDP | 29.8 | |
1953 | Wilhelm Reitz | SPD | 30.6 | |
1957 | 37.8 | |||
1961 | 45.2 | |||
1965 | 47.8 | |||
1969 | Helmut Kater | SPD | 49.9 | |
1972 | 55.0 | |||
1976 | Klaus Daubertshäuser | SPD | 47.2 | |
1980 | 51.5 | |||
1983 | Christian Lenzer | CDU | 47.3 | |
1987 | Klaus Daubertshäuser | SPD | 47.3 | |
1990 | 45.6 | |||
1994 | Erika Lotz | SPD | 44.8 | |
1998 | 48.5 | |||
2002 | 46.9 | |||
2005 | Helga Lopez | SPD | 42.2 | |
2009 | Sibylle Pfeiffer | CDU | 41.6 | |
2013 | 48.1 | |||
2017 | Hans-Jürgen Irmer | CDU | 38.3 | |
2021 | Dagmar Schmidt | SPD | 33.1 | |
2025 | Johannes Volkmann | CDU | 34.3 |
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