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Rock Island County, Illinois
Genealogy, History & Facts

Rock Island County, Illinois Facts

Rock Island County

When was Rock Island County, IL Created?
Rock Island County was established on February 9, 1831 from Jo Daviess County. This county was named for Rock Island.

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 (north), Whiteside County (northeast), Henry County (southeast), Mercer County (south), Louisa County, Iowa (southwest), Muscatine County, Iowa (west), Scott County, Iowa (northwest)

What cities and towns are in Rock Island County, IL?
Cities and towns located in the County include  Andalusia, Buffalo Prairie, Campbell's Island (unincorporated), Carbon Cliff, Castle Junction, Coal Valley, Cordova, Coyne Center, East Moline, Edgington, Ginger Hill, Hampton, Hillsdale, Illinois City, Milan, Moline, Oak Grove, Port Byron, Rapids City, Reynolds, Rock Island, Rock Island Arsenal, Taylor Ridge, Silvis.

What Townships are in Rock Island County, IL?
Townships located in the County include Hampton, Edgington, Buffalo Prairie, Bowling, Blackhawk, Andalusia, Coal Valley, Coe, Canoe Creek, Cordova, Drury, Port Byron, Moline, South Moline, South Rock Island, Rock Island, Rural, Zuma.

Rock Island County, IL Vital Records

Where can find Rock Island County Birth, marriage, Divorce and Death Records?
Rock Island County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for Rock Island County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

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 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

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?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Rock Island County. The years listed below are the first noted records with this county. See Also Illinois Corthouse Records Research Guide.

  • Rock Island County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 1504 Third Ave., Rock Island, IL 61201
  • Rock Island County Clerk maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County.
    • Phone: 309-558-3570
    • Marriage Records: 1833
    • Birth & Death Records: 1861 / 1877
  • Rock Island County Recorder of Deeds serves the people of County by receiving, filing and maintaining all records related to real property in our county. These documents range from all types of conveyance deeds, mortgages, releases and assignments, property liens, as well as, assorted federal, state and local liens. The Recorder’s office is responsible for the recordation and storage of plats of subdivision, land surveys and monument records. Many other types of miscellaneous documents are recorded, such as; foreign birth certificates, foreign marriage licenses, and military discharge paperwork to name a few.
    • Phone: (309) 558-3360
    • Land Records:1835
  • Rock Island County Clerk of the Circuit Court, commonly known as the Circuit Clerk, is the keeper of the files and records of the Circuit Court. The Circuit Clerk's Office retains documents some of which include criminal law, chancery, support, probate, adoption, ect....
    • Phone: (309) 558-3313
    • Probate Records: 1835
    • Court Records: 1834
  • Rock Island County Treasurer's Office is responsible for the statutory duties required as County Treasurer and as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for the entire county.
  • The county archives of the state of Illinois
  • Local Government Records Database - provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system
  • BLM Land Records

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

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