Rock County covers an area around 726 sq mi. Founded in the year 1836, the county accommodates by and large 0.15 million people with an amalgamation of White, Native American, black or African American, Asian, Hispanic or Latino, Pacific Islander, and others alongside 58K households and 40K family units. Janesville is the county seat. The count took its name from the Rock River.

Various statistics including both vital and public records index of Rock County records library offers information regarding civil court data, birth, familial Social Security Numbers, probates and liens, marriage particulars, military service, separation license information, death news, census, war specifics, colonization and naturalization details, land registration deeds, adoption specifics and various other details that eventually make the online data explorations a huge success.