Named in the honor of Nathaniel Lyon, Lyon County was created in the year 1851 with an area of 587.63 sq mi. About 11.5K people with a racial makeup including White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others including more than 4.4 K households and 3.2K families live here. Rock Rapids forms the county seat of the county.

One can today have a thriving genealogical resource over the internet that reveals many unknown truths of life and information regarding various statistics like civil court case public facts, obituary notice, marriage and divorce details, origin and birth details, World War I and II information, marriage volume number, census data, real estate and property facts, immigration and naturalization specifics, land and estate data, demise facts, American Civil War history, last will or probate specifics, war and enlistment data, burial and cemetery details and the many other similar issues.