Minnesota records
Northwestern Garter Snake in Minnesota
HarmlessThamnophis ordinoides

Yes. The Northwestern Garter Snake has been recorded in 4 Minnesota counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Minnesota counties with Northwestern Garter Snake records
4 listedSee the full Northwestern Garter Snake profile or all snakes in Minnesota.