Recklinghausen II was created in 1949, then known as
Recklinghausen-Land. From 1980 through 1987, it was named
Recklinghausen II. From 1990 through 1998, it was named
Recklinghausen II – Borken I. It acquired its current name in the 2002 election. In the 1949 election, it was North Rhine-Westphalia constituency 41 in the numbering system. From 1953 through 1961, it was number 100. From 1965 through 1976, it was number 99. From 1980 through 1998, it was number 92. From 2002 through 2009, it was number 123. In the 2013 through 2021 elections, it was number 122. From the 2025 election, it has been number 121. Originally, the constituency was coterminous with the Recklinghausen district. From 1965 through 1976, it comprised the municipalities of Dorsten, Herten, Kirchhellen, Marl, and Westerholt from the Recklinghausen district. From 1980 through 1987, it comprised the municipalities of Datteln, Dorsten, Haltern am See, Marl, and Oer-Erkenschwick. In the 1990 and 1994 elections, it acquired the municipalities of
Heiden and
Reken from the
Borken district. In the 1998 election, it also acquired
Raesfeld from the Borken district. It acquired its current borders in the 2002 election. ==Members==