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Aurora County, South Dakota

Aurora County, South Dakota
Map of South Dakota highlighting Aurora County
Location in the state of South Dakota
Map of the United States highlighting South Dakota
South Dakota's location in the U.S.
Founded 1881
Named for Aurora, a Roman goddess
Seat Plankinton
Largest city Plankinton
 • Total 713 sq mi (1,847 km2)
 • Land 708 sq mi (1,834 km2)
 • Water 4.3 sq mi (11 km2), 0.6%
Population (est.)
 • (2013) 2,720
 • Density 3.8/sq mi (1/km²)
Congressional district At-large
Time zone Central: UTC-6/-5

Aurora County is a

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 26, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. 2006. Retrieved March 28, 2015. 
  4. ^ Soil Survey of Aurora County, South Dakota. U.S. Dept. of Agriculture. 1980. p. 2. 
  5. ^ Long, John H. (2006). "Dakota Territory, South Dakota, and North Dakota: Individual County Chronologies". Dakota Territory Atlas of Historical County Boundaries. The Newberry Library. Retrieved 2008-01-31. 
  6. ^ "2010 Census Gazetteer Files". United States Census Bureau. August 22, 2012. Retrieved March 22, 2015. 
  7. ^ "Annual Estimates of the Resident Population for Incorporated Places: April 1, 2010 to July 1, 2014". Retrieved June 4, 2015. 
  8. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved March 22, 2015. 
  9. ^ "Historical Census Browser". University of Virginia Library. Retrieved March 22, 2015. 
  10. ^ Forstall, Richard L., ed. (March 27, 1995). "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved March 22, 2015. 
  11. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. April 2, 2001. Retrieved March 22, 2015. 
  12. ^ "American FactFinder".  


See also

The county is divided into twenty townships:


Census-designated places




The median income for a household in the county was $29,783, and the median income for a family was $37,227. Males had a median income of $25,786 versus $21,250 for females. The per capita income for the county was $13,887. About 7.80% of families and 11.40% of the population were below the poverty line, including 13.40% of those under age 18 and 12.00% of those age 65 or over.

In the county, the population was spread out with 27.60% under the age of 18, 6.50% from 18 to 24, 22.10% from 25 to 44, 22.20% from 45 to 64, and 21.60% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 104.30 males. For every 100 females age 18 and over, there were 98.80 males.

There were 1,165 households out of which 29.70% had children under the age of 18 living with them, 61.30% were married couples living together, 5.00% had a female householder with no husband present, and 29.90% were non-families. 28.20% of all households were made up of individuals and 14.70% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 3.02.

As of the census[12] of 2000, there were 3,058 people, 1,165 households, and 816 families residing in the county. The population density was 4 people per square mile (2/km²). There were 1,298 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 95.68% White, 0.29% Black or African American, 1.93% Native American, 0.10% Asian, 1.44% from other races, and 0.56% from two or more races. 2.09% of the population were Hispanic or Latino of any race. 48.0% were of German, 13.0% Dutch, 6.9% Norwegian, 6.6% English, 6.1% Irish and 5.8% United States or American ancestry.


Adjacent counties

Major highways

According to the U.S. Census Bureau, the county has a total area of 713 square miles (1,850 km2), of which 708 square miles (1,830 km2) is land and 4.3 square miles (11 km2) (0.6%) is water.[6]


Aurora County, named for Cragin and Wetmore Counties, which had both been formed in 1873. The county commission first met on August 29, 1881, and named Plankinton the county seat, an act which was ratified by voters in November 1882. Aurora County was reduced in size in 1883, when the northern part of the county was established as Jerauld County.[5]



  • History 1
  • Geography 2
    • Major highways 2.1
    • Adjacent counties 2.2
  • Demographics 3
  • Communities 4
    • Cities 4.1
    • Town 4.2
    • Census-designated places 4.3
    • Townships 4.4
  • See also 5
  • References 6


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