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Sioux County covers all that vast area of country north of Cheyenne County, and extends west to Wyoming Territory, and north to Dakota Territory, and in fact all of the unorganized tract known as Northwestern Nebraska.  


Though unorganized, it is named Sioux County, and attached to Cheyenne County for revenue and judiciary purposes.  


The county seat is named Harrison.






Adjacent Counties

Fall River County, South Dakota - North

Box Butte County, Nebraska - East

Dawes County, Nebraska - East

Scotts Bluff County, Nebraska - South

Goshen County, Wyoming - Southwest

Niobrara County, Wyoming - Northwest


Cities and Villages




Online Data


 World War II Honor List  

County Cemeteries  

 Populated Places

Obituaries and Death Notices  

News and Tidbits  

1880 Mortality Schedule  

Henry Albert Ankeny Family  

1880 Census  

 1883 Pensioners List   

WW II Enlistment Records   

News Articles   

County Data   

WWI Draft Card Registration 1917-1918 

Crimes and Murders   





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All material posted to this site, unless otherwise credited, has been transcribed

and contributed by:  Frances Cooley


Last Updated July 30, 2014


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