Covering a total area of 543.05 sq mi Warren County has a total population of over 17.7K with a racial makeup including White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 7.1K housing units and 4.9K families. It has its county seat in Monmouth. The county was established in 1825 and was named after Joseph Warren.

The Warren County records site stands as the rich library of wide and varied data that successfully delivers ideas regarding census data, civil court case lookups, real estate and property facts, marriage volume number, origin and birth details, World War I and II information, last will or probate specifics, demise facts, marriage and divorce details, obituary notice, American Civil War history, burial and cemetery details, war and enlistment data, land and estate data, immigration and naturalization specifics and similar other topics.