South Dakota, State Census, 1925 (FamilySearch Historical Records)

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South Dakota, State Census, 1925 .
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This article describes a collection of records at FamilySearch.org.
South Dakota, United States
South Dakota flag.png
Flag of South Dakota
US Locator South Dakota.png
Location of South Dakota
Record Description
Record Type State Census
Collection years 1925
FamilySearch Resources
Related Websites


What is in the Collection?

The collection consists of an index to the census of South Dakota taken by that state in 1925. This 1925 South Dakota State Census is an every-name list of the state's inhabitants as of 1925. The records are handwritten on printed cards and are arranged alphabetically by surname. People enumerated in the census are recorded individually; the census records do not show individuals in family groups. The census was filmed at the South Dakota State Historical Society.

What Can these Records Tell Me?

Facts found in this collection may include:

  • Name and age of person
  • Residence in county and post office or city and ward
  • Occupation
  • Birth place and ancestry
  • Birth place of parents
  • Gender, race and marital status
  • Maiden name of wife and year married
  • Extent of education
  • Military service in Civil War, Spanish War or World War I
  • Name of state, company, regiment and division
  • Number of years living in United States
  • Number of years living in South Dakota
  • Literate or illiterate
  • Physical impairments
  • Religious affiliation

Collection Contents

Sample Image

In 1885 the South Dakota State Legislature mandated that a census be taken in June of that year and every 10 years thereafter. The last census was taken in 1945. The completed cards were then sent to the Secretary of State. The census covers approximately 90% of the population.

The state census was taken in order to enumerate the population for representation purposes. Censuses are generally reliable, depending on the knowledge of the informant and the care of the census enumerator. Information may have been given to a census taker by any member of the family or by a neighbor. Some information may therefore be incorrect.

For a summary of this information see the wiki article: United States, How to Use the Records Summary (FamilySearch Historical Records)

How Do I Search the Collection?

To begin your search it is helpful to know:

  • The name of your ancestor.
  • The approximate age of your ancestor.
  • The place where your ancestor lived.

Search the Index

Search by name by visiting the Collection Page.
  1. Fill in the search boxes on the Collection Page with the information you have
  2. Click Search to show possible matches


How Do I Analyze the Results?

Compare each result from your search with what you know to determine if there is a match. This may require viewing multiple records or images.

For more tips about searching online collections see the online article FamilySearch Search Tips and Tricks.

What Do I Do Next?

  • Whenever possible, view the original records to verify the information and to find additional information that might not be reported. These pieces of information can lead you to additional records and family members.
  • In case you need to find this record again later, copy the citation below in the Citing This Collection section. It's always a good idea to keep your citation on a Research Log. This is an important tool to help keep track of what you have and have not found. Family search wiki has a Example Research Log that you can download and use.
  • Print or download a copy of the record, or extract the genealogical information needed.

I Found Who I was Looking for, What Now?

  • Use the age listed to determine an approximate birth date. This date along with the place of birth can help you find a birth record. Birth records often list biographical and marital details about the parents and close relatives other than the immediate family.
  • Use the race information to find records related to that ethnicity such as records of the Freedman’s Bureau or Indian censuses.
  • Use the naturalization information to find their naturalization papers in the county court records. It can also help you locate immigration records such as a passenger list which would usually be kept records at the port of entry into the United States.
  • Birth places can tell you former residences and can help to establish a migration pattern for the family.
  • If they are subject to military service they may have military files in the State or National Archives.
  • Occupations listed can lead you to employment records or other types of records such as school records; children’s occupations are often listed as “at school.”
  • A religious preference may lead to church records.
  • Repeat this process with additional family members found, to find more generations of the family.
  • Church Records often were kept years before government records were required and are a good source for finding ancestors before 1900.

I Can't Find Who I'm Looking for, What Now?

  • Try viewing the original record to see if there were errors in the transcription of the name, age, residence, etc. Remember that there may be more than one person in the records with the same name.
  • Collect entries for every person who has the same surname. This list can help you identify possible relations that can be verified by records.
  • If you cannot locate your ancestor in the locality in which you believe they lived, then try searching records of a nearby locality in an area search.
  • Standard spelling of names typically did not exist during the periods our ancestors lived in. Try variations of your ancestor’s name while searching the index or browsing through images.
  • Pay special attention to how the name should have been pronounced and try variations on the pronunciation.
  • Remember that sometimes individuals went by nicknames or alternated between using first and middle names. Try searching for these names as well.
  • Search the indexes and records of South Dakota, United States Genealogy.
  • Search in the South Dakota Archives and Libraries.

Citing this Collection

Citing your sources makes it easy for others to find and evaluate the records you used. When you copy information from a record, list where you found that information. Here you can find citations already created for the entire collection and for each individual record or image.  

Collection Citation:

"South Dakota, State Census, 1925." Database with Images. FamilySearch. http://FamilySearch.org : accessed 2017. Citing Assessor. State Historical Society, Pierre.

Record Citation (or citation for the index entry):

When looking at a record, the citation is found below the record. You can search records in this collection by visiting the search page for South Dakota State Census, 1925.


Image Citation:

When looking at an image, the citation is found on the Information tab at the bottom left of the screen. You can browse through images in this collection by visiting the browse page for South Dakota State Census, 1925.

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