Gallatin County has maintained a significantly lower rate of sexually transmitted infections compared to the state overall. Only in 2008, did the incidence of Chlamydia peak above the state rate. Accordingly, on average Gallatin County is significantly lower, with an eight-year trend of 196.9 as compared to the state average at 376.1 per 100k persons²⁵. Gonorrhea incidence also remains significantly lower than the state rate averaging 38.8 cases per 100k²⁵.