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Dubuque County, Iowa
Genealogy, History & Facts

Dubuque County, Iowa Facts

Dubuque County

When was Dubuque County, IA Created?
Dubuque County was established on October 1, 1834 from Michigan Territory and Wisconsin Territory. The county was named in honor of Julien Dubuque (1762–1810), first permanent white settler in Iowa

What is the County Seat of Dubuque County, IA?
The County Seat is located in Dubuque and the county government website is

What counties are adjacent to Dubuque County, IA?
Bordering Counties are Clayton County (north), Grant County, Wisconsin (northeast), Jo Daviess County, Illinois (east), Jackson County (southeast), Jones County (southwest), Delaware County (west).

What cities and towns are in Dubuque County, IA?
Cities and towns located in the County include Asbury, Balltown, Bankston, Bernard, Cascade, Centralia, Dubuque, Durango, Dyersville, Epworth, Farley, Graf, Holy Cross, Luxemburg, New Vienna, Peosta, Rickardsville, Sageville, Sherrill, Worthington, Zwingle. Townships Include Cascade, Center, Concord, Dodge, Dubuque, Iowa, Jefferson, Julien, Liberty, Mosalem, New Wine, Peru, Prairie Creek, Table Mound, Taylor, Vernon, Washington, White Water.

Dubuque County, IA Vital Records

Where can find Dubuque County Birth, marriage, Divorce and Death Records?
Dubuque County vital records can be found at the Iowa Office of Vital Records which has copies of birth, marriage and death records from July 1880. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Iowa for current fees and application process.

You can search online for Dubuque County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Iowa Birth Certificate, Marriage Certificate, Death Certificate Application to mail.

Dubuque County, IA Census Records

What Dubuque County, IA census records are available?
There are many types of census records for Dubuque 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.

Dubuque Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Dubuque Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Dubuque Co. Union Veterans Schedules is available for 1890.

Another Iowa census is the Iowa State Census Collection from 1836-1925. One can find free online and printable census forms to help you with your research. See Also Iowa Census Records Research Guide

Dubuque County, IA Courthouse and Government Records

Dubuque County Courthouse

What genealogical records can I find in the Dubuque County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Dubuque County. The years listed below are the first noted records with this county. See Also Iowa Corthouse Records Research Guide.

  • Dubuque County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 720 Central Ave, Dubuque, IA 52001
    • Phone: (563) 589-4418
  • Dubuque County Recorder's Office maintains official records of documents affecting title to real estate. Every real estate transaction that takes place begins in the Recorder's Office. One of the major duties of the office is the management of public records. As a result, accuracy and preservation of records are a must in the Recorder's Office. In addition to real estate transactions, the Recorder's Office issues titles and liens; records veterans discharge papers; processes passport applications; accepts marriage applications and issues the subsequent license; issues certified copies of birth, death and marriage records as well as other numerous duties.
    • Birth / Death Records: 1880 (No death records 1917-41; no birth record June 1940-September 1941)
    • Marriage Records: 1835
    • Land Records: 1834
  • Dubuque County Clerk of Court manages and maintains all trial court records, including pleadings, evidence and orders. The clerks of court have hundreds of administrative duties. They accept and process fines, fees and court costs owed to the state, child support checks, and civil judgments owed to litigants. They maintain a record of liens on all real estate in the county. Clerks help with involuntary hospitalization cases. They have the authority to dispose of scheduled violations which are not contested and do not require a court hearing. Clerks are also responsible for informing state and local government agencies of court orders.
    • Probate Records: 1835
    • Court Records: 1834 
  • BLM Land Records

Dubuque County, IA Societies and Family History Resources

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

Where can I connect with other Dubuque County, IA Researchers through message boards and forums?

What other genealogical resources are available in Dubuque County, IA?
The following are web links to Genealogy, Records and Resources pertaining to Dubuque County. Many of these genealogy links fall into 3 categories: Business oriented Sites, Private Sites or Organization Sites. Some have free access some have to have a cost. This is simply a list which has been compiled or submitted. I do not endorse or promote one genealogy site over another.

Dubuque Co. IA Books, Newspapers & Publications

Dubuque Co. IA Cemeteries & Church Records

Dubuque Co. IA Family Websites, Pictures & Histories

Dubuque Co. IA General and History Websites

Dubuque Co. IA Maps, Atlases & Gazetteers

Dubuque Co. IA Military Records

Dubuque Co. IA Schools & Directories

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