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Home of the Onion House

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Delmont lies just off US 18 in Douglas County, on the edge of the Yankton Indian Reservation, in the Dakota Heritage & Lakes Region.

Delmont had the same beginning as did probably most of the towns in South Dakota: the railroad. Because of that railroad, places for marketing and purchasing of supplies were needed. And this is the beginning.

The Onion House is listed on the Register of Historic Places. This building is significant because of its architectural design, particularly in a small town in an agricultural area. According to Douglas County tax records, this structure was built in 1902 by the owner Thomas Lenehan.

Mr. Lenehan built his home with a Russian style metallic dome in a community of mostly German-Russian heritage. There were no major exterior alterations ever done, although there were some on the interior. While it has changed ownership before, it is now back in the family, owned by Verla Lehman.

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08/07 Coming to The area
South Dakota BBQ Championships Huron SD May31-June1 Anyone can compete in the backyard BBQ Competition. Meat is provided so you don't need to bring any.
Teapot Days Tea SD June13-15 Enjoy the carnival, view antique tractors and equipment, and watch the crowning of Ma and Pa Teapot.
Awesome Biker Nights Sioux City IA June13-15 Awesome Biker Nights is Northwest Iowa's premier regional motorcycle event with an attendance of over 25,000! Of course, even those who aren't traveling on two wheels are welcome at the event. The Awesome experience includes three stages of live music from National and Regional Bands, motorcycle stunt performances, a poker run through the beautiful countryside, a bike show, tattoo contest, poker tournament, bike raffle, vendors and more.
Antique Power Show Huron SD June15-17 Experience the days of antique tractors, cars, steam and stationary gas engines. 150 exhibits and displays, entertainment, demonstrations, flea market, parade and tractor and car games.
Sully County Fair Onida SD August9-12 kicking off the fair with a parade through Onida on Thursday, at 6:27 p.m. The parade will end up at the fairgrounds where we will be having cake, refreshments and music.
Turner County Fair Parker SD August12-15 South Dakota's oldest county fair. The four best days of summer.