A document from 1317, however, can unequivocally be said to refer to Selters an der Lahn, now the Löhnberg constituent community, although it seems likely that the place might have been mentioned earlier.

At that time, Löhnberg's main centre was still called Heimau and was granted under this name town rights in 1321.

However, the new town had its growth stunted because it lay so near Weilburg and also because it was pledged in 1344 to the Nassau line whose seat was there.

In the late 16th century, the Laneburg was converted into a Renaissance palace and for a short time was a Nassau-Dillenburg residence.

The municipal election held on 26 March 2006 yielded the following results: Löhnberg is twinned with: Laneburg castle ruins are in Löhnberg, dating back to the 13th Century and significant to coin collectors for the hoard of old currency discovered during restoration work in the year 2000.