Security National Bank, with over $600 million in assets, is located in Sioux City, Iowa. Since being founded in 1884, Security National Bank has witnessed major opportunities, challenges, growth and change. However, the Bank’s corporate values of integrity, reliability, innovation, and its continued commitment to providing customers with superior service remain constant and strong. Today, Security National Bank is the largest locally owned bank in Sioux City, Iowa.
Security National Corporation, a multi-bank holding company, owns Security National Bank in Sioux City, Akron, and Mapleton, Iowa. In addition, Security National Corporation owns the following banks:
Northwestern State Bank in Orange City joined the Corporation in 1972. Located in the Dutch country of northwestern Iowa -- Northwestern State Bank serves its community and surrounding rural area. In 2006, Northwestern State Bank merged with Security State Bank of Sheldon (joined the Corporation in 1996) to form Northwestern Bank.
Security National Bank of South Dakota joined the Corporation in 1997. This office located in Dakota Dunes, South Dakota offers a private banking atmosphere and heavily emphasizes its Investment Management and Trust Services. In 2006, Security National Bank of South Dakota opened offices in Sioux Falls, South Dakota at 74th and Louise Streets, and also at 26th and Lorraine streets.
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