Gann Valley, South Dakota

Gann Valley is a census-designated place in and the county seat of Buffalo County, South Dakota, United States.[4] The town had a population of 14 as of the 2010 census. It is the smallest unincorporated county seat in the United States.[5]

Historical population
CensusPop.Note%±
202010—
U.S. Decennial Census[6]
Gann Valley
Unincorporated community
Gann Valley is located in South Dakota
Gann Valley
Gann Valley
Location within the state of South Dakota
Gann Valley is located in the United States
Gann Valley
Gann Valley
Gann Valley (the United States)
Coordinates: 44°2′0″N 98°59′15″W
CountryUnited States
StateSouth Dakota
CountyBuffalo
Founded1885
Area
[1]
 • Total0.08 sq mi (0.21 km2)
 • Land0.08 sq mi (0.21 km2)
 • Water0.00 sq mi (0.00 km2)
Elevation
1,604 ft (489 m)
Population
 (2020)[2]
 • Total10
 • Density126.58/sq mi (48.68/km2)
Time zoneUTC-6 (Central (CST))
 • Summer (DST)UTC-5 (CDT)
ZIP codes
57341
Area code605
FIPS code46-23421
GNIS feature ID2584554[3]
Websitehttp://www.gannvalley.com/

Description

The community was founded in 1885 by Herst Gann in a valley on Crow Creek just east of the Crow Creek Reservation.[7][8] Gann donated the courthouse in the community and A.L. Spencer donated 30 acres, resulting in the community becoming the county seat. In 1886 the county seat was moved to Buffalo Center but was moved back to Gann in 1888.[9]

Its ZIP code is 57341.

The center of population of South Dakota is located in Gann Valley.[10] Gann Valley holds the record for the hottest temperature in South Dakota (120 °F [49 °C]).[11]

Climate

This climatic region is typified by large seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. According to the Köppen climate classification system, Gann Valley has a humid continental climate, abbreviated "Dfa" on climate maps.[12]

See also

References
  1. "ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 15, 2022.
  2. "Census Population API". United States Census Bureau. Retrieved Oct 15, 2022.
  3. U.S. Geological Survey Geographic Names Information System: Gann Valley
  4. "Find a County". National Association of Counties. Archived from the original on 2011-05-31. Retrieved 2011-06-07.
  5. "Smallest county seat in US now in Gann Valley". Mitchell Daily Republic. Jul 26, 2013. Archived from the original on Jul 28, 2018. Retrieved 19 September 2018.
  6. "Census of Population and Housing". Census.gov. Retrieved June 4, 2016.
  7. "Gann Valley, South Dakota - South Dakota Travel Map - SD Highway 34 Tour Guide - Gann Valley History & Trivia". Archived from the original on 2013-09-14. Retrieved 2013-07-27.
  8. Federal Writers' Project (1940). South Dakota place-names, v.1-3. University of South Dakota. p. 38.
  9. Wenzel, Craig (Jul 27, 2010). "Gann Valley turns 125 this weekend". True Dakotan. Archived from the original on 2013-07-27. Retrieved 2013-07-27.
  10. "Population and Population Centers by State - 2000". United States Census Bureau. Archived from the original on 2013-07-05. Retrieved 2008-02-25.
  11. "July, 2006 Record Heat". National Weather Service Weather Forecast Office. Archived from the original on Mar 8, 2012. Retrieved 2012-10-23.
  12. "Gann Valley, South Dakota Köppen Climate Classification". Weatherbase. Archived from the original on Feb 2, 2017. Retrieved 19 September 2018.
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