Union County was founded in the year 1862. Named for the union of the American states, this county encloses 467 sq mi of area. It is a home to more than 14K people with a racial makeup including of White, Pacific Islander, African American, Asian, Native American, Hispanic or Latino of any race, and other races and 4.9K households and near around 3.5K families. Elk Point is the county seat while North Sioux City is the largest town of the county.

Concealed data regarding ancestral lives and vast pedigree can be easily explored through Union County records index. A rich collection of records on World War I and II information, last will or probate specifics, American Civil War history, real estate and property facts, obituary notice, burial and cemetery details, origin and birth details, marriage volume number, marriage and divorce details, land and estate data, war and enlistment data, civil court case lookups, census data, immigration and naturalization specifics, demise facts and the likes thus reveals the authentic and accurate pictures of various social, legal and genealogical characteristics of life.