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Welcome to Union County, South Dakota

Rooted in History, Growing Toward the Future

Overview

Nestled in the southeastern corner of South Dakota, Union County is a community that honors its past while embracing progress and opportunity. From its founding in the mid-19th century to its role as a growing economic hub today, Union County offers a blend of scenic landscapes, strong values, and forward-looking development. Whether you’re a visitor, a lifelong resident, or a prospective newcomer, Union County welcomes you with open arms and a deep sense of community pride.

Historical Background

Union County was officially established in 1862, originally named Cole County. In 1864, during the height of the American Civil War, it was renamed “Union County” to reflect the strong patriotic sentiment of its early settlers who supported the Union cause. This proud heritage is still reflected in the name and spirit of the county.

Long before European-American settlement, the region was inhabited by Native American tribes, primarily the Dakota Sioux, who lived along the Missouri and Big Sioux Rivers. These rivers were critical lifelines for trade, agriculture, and cultural connection, shaping the area’s early history.

The town of Elk Point, now the county seat, was one of the earliest settlements in the Dakota Territory. It played a vital role in the development of the region, particularly with the arrival of steamboats and later the railroads, which helped bring settlers and boost commerce throughout the late 1800s.

Geography and Communities

Union County spans approximately 467 square miles and includes a mix of rolling prairies, fertile farmland, and river valleys. It is strategically bordered by the Missouri River to the west, the Big Sioux River to the east, and the states of Iowa and Nebraska.

The county is home to several cities and towns, including:

  • Elk Point – The county seat and a historic community with deep roots in the region’s founding.

  • North Sioux City – A growing commercial and residential center with proximity to Sioux City, Iowa.

  • Alcester, Jefferson, and Richland – Smaller towns offering close-knit community living and strong local character.

  • Beresford – Partly located in Union County, Beresford contributes to the regional economy and cultural landscape.

These communities offer a mix of rural tranquility and convenient access to larger metropolitan areas.

Economy and Development

Union County’s economy has historically been rooted in agriculture. The county’s rich soils support the production of corn, soybeans, and livestock. Over the years, the economy has diversified significantly, particularly in areas like:

  • Manufacturing

  • Logistics and distribution

  • Healthcare and services

  • Retail and small businesses

Demographics and Quality of Life

Union County is home to an estimated 17,000 residents (as of the 2020 Census), with steady population growth attributed to both economic opportunity and high quality of life. Residents enjoy:

  • Low crime rates

  • Quality public schools

  • Outdoor recreation along the rivers and countryside

  • Cultural events, festivals, and strong civic engagement

With a blend of rural and suburban lifestyles, Union County provides a welcoming environment for families, entrepreneurs, and retirees alike.

Education and Community Services

The county is served by several highly rated school districts including:

  • Dakota Valley School District (North Sioux City)

  • Elk Point-Jefferson School District

  • Alcester-Hudson School District

  • Beresford School District

These districts are known for their academic excellence, athletics, and community involvement.

Union County also supports numerous libraries, parks, and public safety services that enhance residents’ day-to-day lives.

Points of Interest and Attractions

  • Spirit Mound Historic Prairie – Believed to be visited by Lewis and Clark in 1804.

  • Missouri River & Big Sioux River Recreation Areas – Popular for boating, fishing, and wildlife viewing.

  • Union County Courthouse (Elk Point) – A historic landmark and seat of county government.

  • Local fairs, parades, and community festivals – Celebrating agriculture, history, and hometown spirit.

Looking to the Future

Union County continues to attract new residents and businesses by offering an exceptional quality of life, modern infrastructure, and a commitment to preserving its unique identity. With well-planned development, engaged leadership, and active citizens, the county is well-positioned for a bright future.

Join Us

Union County is more than just a location—it’s a community built on values, tradition, and innovation. Whether you’re planning a visit, starting a business, or putting down roots, you’ll find Union County to be a place where heritage and progress go hand in hand.

Discover Union County, South Dakota—where history lives and the future begins.

 

 

 
 

 
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