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Plymouth County, Iowa
Genealogy, History & Facts

Plymouth County, Iowa Facts

Plymouth County

When was Plymouth County, IA Created?
Plymouth County was established on January 15, 1851 (Organized in October 12, 1858) from Unorganized Territory. The county was named in honor of Plymouth, Massachusetts, the first settlement of the Pilgrims in 1620

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

What counties are adjacent to Plymouth County, IA?
Bordering Counties are Sioux County (north), Cherokee County (east), Woodbury County (south), Union County, South Dakota (west).

What cities and towns are in Plymouth County, IA?
Cities and towns located in the County include Akron, Brunsville, Craig, Hinton, Kingsley, Le Mars, Merrill, Oyens, Remsen, Struble, Westfield.

Plymouth County, IA Vital Records

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

Plymouth County, IA Census Records

What Plymouth County, IA census records are available?
There are many types of census records for Plymouth County guide you in researching your family tree. Federal Population Schedules are available for 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

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

Plymouth County, IA Courthouse and Government Records

Plymouth County Courthouse

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

  • Plymouth County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 215 4th Ave SE, Le Mars, IA 51031
    • Phone: (712) 546-4215
  • Plymouth 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
    • Marriage Records: 1860
    • Land Records: 1856
  • Plymouth 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: 1871 
    • Court Records: 1869 
  • BLM Land Records

Plymouth County, IA Societies and Family History Resources

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

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

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

Plymouth Co. IA Books, Newspapers & Publications

Plymouth Co. IA Cemeteries & Church Records

Plymouth Co. IA Family Websites, Pictures & Histories

Plymouth Co. IA General and History Websites

Plymouth Co. IA Maps, Atlases & Gazetteers

Plymouth Co. IA Military Records

Plymouth Co. IA Schools & Directories

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