Schwalm-Eder was created in 1949, then known as Fritzlar-Homberg. In the 1976 election, it was named Fritzlar. It acquired its current name in the 1980 election. In the 1949 election, it was Hesse constituency 4 in the numbering system. In the 1953 through 1976 elections, it was number 129. From 1980 through 1998, it was number 127. In 2002 and 2005, it was number 172. In the 2009 election, it was number 171. Since 2013, it has been number 170.
