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Rock Island County, Illinois
Genealogy, History & Facts

Rock Island County, Illinois Facts

When was Rock Island County, IL Created?
Rock Island County was established on February 9, 1831.

What is the County Seat of Rock Island County, IL?
The County Seat is located in Rock Island (prior county seats was Farnhamsburg [House of John Barrell] from 1833–1835, Stephenson from 1835–1841, Name changed to Rock Island in 1841) also, the county government website is .

What counties are adjacent to Rock Island County, IL?
Bordering Counties are  Clinton County, Iowa, Whiteside CountyHenry CountyMercer CountyLouisa County, Iowa, Muscatine County, Iowa, Scott County, Iowa

Rock Island County, IL Census Records

What Rock Island County, IL census records are available?
There are many types of census records for Rock Island County guide you in researching your family tree. Federal Population Schedules are available for 18401850186018701880 (free index)1890 (fragment)19001910192019301940.

Rock Island Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Rock Island Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Rock Island Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

Rock Island County, IL Courthouse and Government Records

Rock Island County Courthouse

What genealogical records can I find in the Rock Island County Courthouse?
Researchers frequently overlook the great importance of Rock Island County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Illinois courthouses and archives everywhere are the ambitions and frustrations of countless Illinois residents.

The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Rock Island County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records. See Also Illinois Corthouse Records Research Guide.

Rock Island County, IL Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Rock Island County, IL?
A list of Rock Island County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Illinois Archives, Historical & Genealogical Societies.

Where can I connect with other Rock Island County, IL Researchers through message boards and forums?

What other genealogical resources are available in Rock Island County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Rock Island County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

Rock Island Co. IL Maps, Atlases & Gazetteers

Rock Island Co. IL Books, Newspapers & Publications

Rock Island Co. IL Cemeteries & Church Records

Rock Island Co. IL Family Websites, Pictures & Histories

Rock Island Co. IL General and History Websites

Rock Island Co. IL Military Records

Rock Island Co. IL Schools & Directories