Seneca, SD

ZIP code 57473 covers the area of Roslyn, South Dakota, a small, rural town with a population of around 200 residents. The town is known for its charming Main Street lined with historical buildings, including the former Milwaukee Depot, which now houses a museum showcasing local history. Roslyn is also home to the Roslyn Creamery, a local cheese factory that produces a variety of artisan cheeses.