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South Dakota / Eureka

Get Eureka, SD Demographics

Who knew Eureka demographics could be so sexy? Check out Census 2010 data and current American Community Survey data for Eureka, SD. Feast your eyes on statuesque tables, curvacous pie charts and titillating trend lines. We dare you to call Eureka demographic data boring!

Quick Facts

Population 2010 Census 868 #84 in the state
Median Income 2010 for Households $25,365
Poverty Rate 13.1%
Median Age 63.5 years
Largest Racial or Ethnic Group White
Sources: Census 2010 SF1 & 2006-2010 American Community Survey 5 year estimates

Eureka Demographics Summary

population icon With 868 people, Eureka is the 84th most populated city in the state of South Dakota out of 390 cities. But watch out, Eureka, because Howard with 858 people and Kyle with 846 people are right behind you.

income icon In 2010, the median household income of Eureka residents was $25,365. Eureka households made slightly more than Conde households ($25,208) and Tolstoy households ($25,000) However, 13.1% of Eureka residents live in poverty.

age icon The median age for Eureka residents is 63.5 years young.

race icon The largest Eureka racial/ethinic groups are White (97.2%) followed by Two or more races (1.4%) and Hispanic (1.2%).

Eureka Race / Ethnic Groups

Non-Hispanic Population
White 844
Black 0
American Indian 0
Asian 2
Pacific Islander 0
Some Other Race 0
Two or More Races 12
Hispanic 10
Source: Census 2010 SF1 Table P9 Hispanic or Latino or Not Hispanic or Latino by Race
  • White
  • Black
  • Indian
  • Asian
  • Pacific Islander
  • Some Other Race
  • Two or More Races
  • Hispanic

3 Largest Eureka Race / Ethnic Groups

  • The Eureka White population is 844 persons or 97.2%.
  • The Eureka Two or more races population is 12 persons or 1.4%.
  • The Eureka Hispanic population is 10 persons or 1.2%.

Note: the US Census Bureau defines race and ethnicity differently from the way most people think about race and ethnicity. In a nutshell, a person's origin (or what used to be called ethnicity) is either Hispanic or Non-Hispanic. And a person's race can be white, black or African American, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, Some Other Race or Two or More Races. For more details about race and origin data, google "US Census Bureau race and origin Census 2010."


Eureka Median Age

Fellas, you need to start eating your Wheaties™. Eureka ladies have a higher median age.

Median Age 63.5 years
Median Age - Females 65.7 years
Median Age - Males 60.3 years
Source: Census 2010 SF1 Table P13 Median Age by Male/Female

Under 18 and Over 65 Age Breakdown

With 47.6% of the Eureka population over the age of 65, watch out for sandles paired with socks. We've heard it's contagious.

Persons Under 18 13.2%
Persons Over 65 47.6%
Everyone else 39.2
Source: Census 2010 SF1 Table P12 Male/Female by Age
  • Under 18
  • Over 65
  • Everyone else

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