With an estimated area of 451.29 sq mi, Rock Island County was founded in 1831 and is named after the Rock Island. The county has a total population of over 0.15 million with a racial makeup including White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others with more than 60.7K households and 39.1K families. Rock Island is the selected county seat while Moline is the largest city of the county.

To satisfy your query and gratify one’s curiosity, the Rock Island County records library is regularly maintained and updated with authentic and most genuine data regarding birth and death news, marriage and divorce decree information, ancestral Social Security Numbers index, immigration and naturalization records, land registration deeds, probate and court records, American civil wars archive, census index, military service enlistments, ancestral property details and so on.