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Johnson County, Illinois
Genealogy, History & Facts

Johnson County, Illinois Facts

When was Johnson County, IL Created?
Johnson County was established on September 14, 1812.

What is the County Seat of Johnson County, IL?
The County Seat is located in Vienna (prior county seats was Home of John Bradshaw from 1813–1814, Elvira from 1814–1818) also, the county government website is .

What counties are adjacent to Johnson County, IL?
Bordering Counties are  Williamson CountySaline CountyPope CountyMassac CountyPulaski CountyUnion County

Johnson County, IL Census Records

What Johnson County, IL census records are available?
There are many types of census records for Johnson County guide you in researching your family tree. Federal Population Schedules are available for 1820183018401850186018701880 (free index)1890 (fragment)19001910192019301940.

Johnson Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Johnson Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Johnson 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

Johnson County, IL Courthouse and Government Records

Johnson County Courthouse

What genealogical records can I find in the Johnson County Courthouse?
Researchers frequently overlook the great importance of Johnson 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 Johnson 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.

Johnson County, IL Societies and Family History Resources

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

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

What other genealogical resources are available in Johnson County, IL?
The following are web links to Genealogy, Records and Resources pertaining to Johnson 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.

Johnson Co. IL Maps, Atlases & Gazetteers

Johnson Co. IL Books, Newspapers & Publications

Johnson Co. IL Cemeteries & Church Records

Johnson Co. IL Family Websites, Pictures & Histories

Johnson Co. IL General and History Websites

Johnson Co. IL Military Records