Eureka, South Dakota Population 2020

828

Eureka is a city located in South Dakota. With a 2020 population of 828, it is the 74th largest city in South Dakota and the 11137th largest city in the United States. Eureka is currently declining at a rate of -0.36% annually and its population has decreased by -4.61% since the most recent census, which recorded a population of 868 in 2010. Eureka reached it's highest population of 864 in 2010. Spanning over 1 miles, Eureka has a population density of 888 people per square mile.

The average household income in Eureka is $48,083 with a poverty rate of 14.30%. The median rental costs in recent years comes to $540 per month, and the median house value is $50,400. The median age in Eureka is 59.7 years, 52.1 years for males, and 65.6 years for females. For every 100 females there are 82.0 males.

Eureka Demographics

According to the most recent ACS, the racial composition of Eureka was:

  • White: 98.77%
  • Asian: 0.92%
  • Two or more races: 0.31%
  • Black or African American: 0.00%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Eureka, South Dakota is 828, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 834.The last official US Census in 2010 recorded the population at 868.

Eureka, South Dakota Population 2020

Population by Race

Race Population Percentage
White96798.77%
Asian90.92%
Two or More Races30.31%

Eureka Population Pyramid 2020

Eureka Median Age

59.7


Total

52.1


Male

65.6


Female

Eureka Adults

There are 885 adults, (431 of whom are seniors) in Eureka.

Eureka Age Dependency

115.6

Age Dependency Ratio

94.9

Old Age Dependency Ratio

20.7

Child Dependency Ratio

Eureka Sex Ratio

Female

538

54.95%

Male

441

45.05%

Eureka Households and Families

Eureka Renter vs Owner Occupied by Household Type

Eureka Household Types

Type Owner Renter
Male100%0%
Married94.9%5.1%
All78.9%21.1%
Non Family68%32%
Female28.6%71.4%

78.9%

Rate of Home Ownership

Type Count Average Size Owned
All5111.7278.9
Non Family2441.0268
Married1982.4794.9
Male412.15100
Female281.9328.6

2.31

Average Family Size

1.72

Average Household Size

5.5%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Eureka Education

Education Attained Count Percentage
Less Than 9th Grade10513.39%
9th to 12th Grade8210.46%
High School Graduate25832.91%
Some College11815.05%
Associates Degree9211.73%
Bachelors Degree9211.73%
Graduate Degree374.72%

Eureka Educational Attainment by Race

Name Total High School Bachelors
White772585117
Asian999
Multiple Races333

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 100.00%.

Name Average Male Female
Overall$27,599$43,182$17,708
Less Than High School$$$13,472
High School Grad$19,135$$19,167
Some College$28,938$58,269$21,806
Bachelors Degree$37,569$39,167$28,304
Graduate Degree$$$

$27,599

Average Earnings

$43,182

Average Male

$17,708

Average Female

Eureka Language

Eureka Language by Age

Eureka Language

89.95% of Eureka residents speak only English, while 10.05% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 8.62% of the population.

Eureka Poverty

Eureka Poverty by Race

Name Total In Poverty Poverty Rate
White85512114.15%
Asian9555.56%

14.30%

Overall Poverty Rate

6.21%

Male Poverty Rate

21.65%

Female Poverty Rate

Poverty in Eureka

The race most likely to be in poverty in Eureka is Asian, with 55.56% below the poverty level.

The race least likely to be in poverty in Eureka is White, with 14.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.95%. Among those working part-time, it was 12.35%, and for those that did not work, the poverty rate was 18.47%.

Name Poverty
Less Than High School35.04%
High School11.87%
Some College10.29%
Bachelors or Greater3.97%
Name Poverty
Female Unemployed37.50%
Female Employed17.47%
Male Unemployed0.00%
Male Employed0.00%

Eureka Income

Eureka Income by Household Type

Name Median Mean
Households$31,385$48,083
Families$68,125$65,928
Married Families$68,750-
Non Families$20,000$25,400

Eureka Marital Status

Eureka Marital Status

Marriage Rates

48.4%

Overall Marriage Rate

58.6%

Male Marriage Rate

40.7%

Female Marriage Rate

Eureka Married by Age and Sex

Eureka Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Eureka Marital Status by Race

Eureka Veterans

86

Number of Veterans

86

Male Veterans

Female Veterans

War Veterans
First Gulf War23
Vietnam18
World War II12
Korea3
Second Gulf War

$Eureka Veterans by Education

3.85%

Veteran Poverty Rate

20.51%

Veteran Disability Rate

Eureka Employment Status

51.6%

Labor Force Participation

50.7%

Employment Rate

1.8%

Unemployment Rate

Eureka Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

64.35%

Born in South Dakota

99.08%

Native Born

0.92%

Foreign Born

0.00%

Non Citizen

Place of Birth

99.08% of Eureka residents were born in the United States, with 64.35% having been born in South Dakota. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Year Population Growth Annual Growth Rate
2020828-3-0.36%
2019831-3-0.36%
201883410.12%
2017833-3-0.36%
201683610.12%
2015835-9-1.07%
2014844-3-0.35%
2013847-3-0.35%
2012850-10-1.16%
2011860-4-0.46%
20108640.00%