Covering a total area of 696.53 sq mi and having a total population of over 58.4K with a rich mix of White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 23.6K housing units and 16.7K families, Whiteside County has its county seat in Morrison and the largest city in Sterling. The county was established in 1836 and was named after Samuel Whiteside, the state legislator.

People can now gather a host of information on World War I and II information, demise facts, obituary notice, American Civil War history, origin and birth details, census data, burial and cemetery details, immigration and naturalization specifics, last will or probate specifics, marriage volume number, civil court case lookups, real estate and property facts, marriage and divorce details, war and enlistment data, land and estate data and so on to accomplish widespread research works from the Whiteside County data repository.