In April 2022, in an atypically contentious election for the non-partisan Green County, WI Board of Supervisors District 25, Larson beat his opponent in a landslide, more than two to one, and turning out a higher percentage of voters than nearly any other district in the county. In doing so, Larson became the first ever openly gay elected official of Green County, WI. Simultaneously, Larson was supporting Steven Olikara in his bid to unseat US Senator Ron Johnson.
