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Eureka is a township in Aurora County.[NOTE: This is not the only community in South Dakota named Eureka. For links to other places called Eureka, SD, see the Duplicate Names box at right.]
The latitude of Eureka is 43.720N. The longitude is -98.641W.It is in the Central Standard time zone. Elevation is 1,614 feet.
The population, at the time of the 2000 census, was 26.
Sections below provide additional information and links about Eureka demographics, travel and tourism, nearby airports, cemeteries, the Aurora County economy, education, environment, genealogy, government, historic sites, libraries, maps, museums, newspapers and other media, nonprofit groups, real estate, recreation, religion, transportation, and weather in the 57383 ZIP code.
54% of Eureka residents report German ancestry, and 5% report Irish. For more info on local ancestry groups, see the Eureka ancestry & family history guide.
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At the time of the 2000 census, the per capita income in Eureka was $11,183, compared with $21,587 nationally.
20% of Eureka residents age 25 and older have a bachelor's or advanced college degree.
Aurora County supported George W. Bush in the 2004 presidential election. For more information, see our Eureka political report.
The average commute time for Eureka workers is 17 minutes, compared with 26 minutes nationwide.
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