Place:Armstrong, South Dakota, United States

Watchers
NameArmstrong
Alt namesArmstrong County
Armstrongsource: WeRelate Agent
TypeFormer county
Located inSouth Dakota, United States     (1883 - )
See alsoStanley, South Dakota, United StatesParent county (source: Source:Population of States and Counties of the United States: 1790-1990)
Ziebach, South Dakota, United StatesChild county (source: Source:Population of States and Counties of the United States: 1790-1990)
source: Source:Population of States and Counties of the United States: 1790-1990

Armstrong County is a former county.


Timeline

Date Event Source
1883 County formed Source:Red Book: American State, County, and Town Sources
1890 First census Source:Population of States and Counties of the United States: 1790-1990

Population History

source: Source:Population of States and Counties of the United States: 1790-1990
Census Year Population
1890 34
1900 8
1910 647
1930 80
1940 42
1950 52

Note: reported in 1890 (as Pyatt) and 1900 although largely included with Cheyenne River Indian Reservation; reported in 1910; enumerated with Ziebach in 1920; reported in 1930- 50; annexed to Dewey in 1954. (An earlier Armstrong County was created after 1870 and was part of Hutchinson County by 1880.)

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