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DuPage County, Illinois
Genealogy, History & Facts

DuPage County, Illinois Facts

DuPage County

When was DuPage County, IL Created?
DuPage County was established on February 9, 1839.

What is the County Seat of DuPage County, IL?
The County Seat is located in Wheaton (prior county seats was Naperville from 1839–1867) also, the county government website is .

What counties are adjacent to DuPage County, IL?
Bordering Counties are  Cook County (north, east, and south), Will County, Kendall County, Kane County

DuPage County, IL Vital Records

Where can find DuPage County Birth, marriage, Divorce and Death Records?
DuPage 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 DuPage 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.

DuPage County, IL Census Records

What DuPage County, IL census records are available?
There are many types of census records for DuPage 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.

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

DuPage County, IL Courthouse and Government Records

DuPage County Courthouse

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

DuPage County, IL Societies and Family History Resources

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

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

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

DuPage Co. IL Maps, Atlases & Gazetteers

DuPage Co. IL Books, Newspapers & Publications

DuPage Co. IL Cemeteries & Church Records

DuPage Co. IL Family Websites, Pictures & Histories

DuPage Co. IL General and History Websites

DuPage Co. IL Military Records

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