Bad Gams (pronunciation) is a former municipality and, traditionally, a market town, in the district of Deutschlandsberg in Styria, Austria, roughly 30 km from Graz. Since the 2015 Styria municipal structural reform, it is part of the municipality Deutschlandsberg, together with Deutschlandsberg, Freiland bei Deutschlandsberg, Kloster, Osterwitz and Trahütten.

Historical population

Year	Pop.	±%
1869	2,389	—
1880	2,303	−3.6%
1890	2,292	−0.5%
1900	2,294	+0.1%
1910	2,360	+2.9%
1923	2,217	−6.1%
1934	2,381	+7.4%
1939	2,262	−5.0%
1951	2,378	+5.1%
1961	2,326	−2.2%
1971	2,270	−2.4%
1981	2,218	−2.3%
1991	2,296	+3.5%
2001	2,300	+0.2%
2011	2,289	−0.5%