View source for Cimarron County, Oklahoma Genealogy

=== Boundary Changes ===
{{OK Boundary Changes Intro|Cimarron}}
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*'''1907--'''Cimarron County was created 16 July 1907 from [[Beaver County, Oklahoma Genealogy|Beaver]] County.<br>
*'''County seat:''' Boise City<ref name="HBG">''Handybook for Genealogists: United States of America'', 10th ed. (Draper, Utah: Everton Pub., 2002), Oklahoma. {{WorldCat|50140092|disp=At various libraries (WorldCat)}}; {{FHL|1049485|item|disp=FHL Book 973 D27e 2002}}.</ref><br>
*[http://www.mapofus.org/oklahoma/ Interactive Formation Boundary Map of Oklahoma] - shows boundary changes for Oklahoma Counties
*[http://publications.newberry.org/ahcbp/documents/OK_Individual_County_Chronologies.htm Oklahoma Historical Boundary Changes] - list of all boundary changes by county provided by [https://www.newberry.org/ Newberry Library]

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