The municipality lies in the Hunsrück on the northwest slope of the Simmerbach valley, roughly 8 km northeast of Simmern and 7 km northwest of Rheinböllen. Steinbach's municipal area measures 2.60 km², of which 0.91 km² is wooded.
What follows is a table of the municipality's population figures for selected years since the early 19th century (each time at 31 December):
Historical population
Year
Pop.
±%
1815
162
—
1835
151
−6.8%
1871
132
−12.6%
1905
127
−3.8%
1939
120
−5.5%
1950
128
+6.7%
1961
122
−4.7%
Year
Pop.
±%
1965
124
+1.6%
1970
116
−6.5%
1975
91
−21.6%
1980
93
+2.2%
1985
83
−10.8%
1987
105
+26.5%
1990
106
+1.0%
Year
Pop.
±%
1995
106
+0.0%
2000
114
+7.5%
2005
118
+3.5%
2006
115
−2.5%
2009
118
+2.6%
Source: Statistisches Landesamt Rheinland-Pfalz
Politics
Municipal council
The council is made up of 6 council members, who were elected by majority vote at the municipal election held on 7 June 2009, and the honorary mayor as chairman.[3]