Covering a total area of 718 sq mi and having a total population of over 11K with a racial makeup including White, Native American, Black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 4.7K housing units and 3.1K families, Red Willow County has its county seat and the largest town in McCook. The county was established in 1873 and was named after the Red Willow Creek.

The Red Willow County records index offers data on last will, burial and cemetery details, probate specifics, land and estate data, origin and birth details, demise facts, marriage and divorce details, immigration and naturalization specifics, World War I and II information, census data, American Civil War history, real estate and property facts, civil court case lookups, war and enlistment data, obituary notice and the likes that eventually enrich the basic ancestral facts to a large extent!