Waldeck was created in 1949. In the 1949 election, it was Hesse constituency 1 in the numbering system. From 1953 through 1976, it was number 126. From 1980 through 1998, it was number 124. In the 2002 and 2005 elections, it was number 169. In the 2009 election, it was number 168. In the 2013 through 2021 elections, it was number 167. From the 2025 election, it has been number 166. Originally, the constituency comprised the districts of Waldeck, Hofgeismar, and Wolfhagen. In the 1972 election, it comprised the Waldeck district and the municipalities of
Breuna,
Calden,
Emstal,
Grebenstein,
Habichtswald,
Hofgeismar,
Immenhausen,
Karlshafen,
Liebenau,
Naumburg,
Oberweser,
Reinhardshagen,
Trendelburg,
Wahlsburg,
Wolfhagen, and
Zierenberg from the Landkreis Kassel district. In the 1976 election, it acquired borders very similar to its current configuration, but excluding the
Baunatal and
Schauenburg municipalities from Landkreis Kassel district. It acquired its current borders in the 2002 election. ==Members==