Eureka, South Dakota Population 2024

783

Eureka is a city located in McPherson County South Dakota. Eureka has a 2024 population of 783. Eureka is currently declining at a rate of -0.63% annually and its population has decreased by -2.73% since the most recent census, which recorded a population of 805 in 2020.

The average household income in Eureka is $71,812 with a poverty rate of 20.6%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Eureka is 59.1 years, 55.6 years for males, and 59.7 years for females.

Eureka Demographics

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

  • White: 92.09%
  • Black or African American: 4.62%
  • Two or more races: 2.2%
  • Asian: 0.66%
  • Native American: 0.22%
  • Native Hawaiian or Pacific Islander: 0.22%
  • Other race: 0%
Land Area (mi²)
0.9 sq mi
Density (mi²)
839.30/sq mi
Growth Since 2020
-2.73% (-22)
The current population of Eureka, South Dakota is 783 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 805.

Eureka, South Dakota Population 2024

Population by Race

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Race
Population
Percentage (of total)
White83892.09%
Black or African American424.62%
Two or more races202.2%
Asian60.66%
Native American20.22%
Native Hawaiian or Pacific Islander20.22%
Other race00%

White

Black or African American

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Eureka Population by Race

Eureka Population Pyramid 2024

Eureka Median Age

59.1

Total

55.6

Male

59.7

Female

Eureka Adults

There are 754 adults, (381 of whom are seniors) in Eureka.

Eureka Age Dependency

144

Age Dependency Ratio

102.1

Old Age Dependency Ratio

41.8

Child Dependency Ratio

Eureka Sex Ratio

Female50955.93%
Male40144.07%

Eureka Population by Age

Eureka Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3982.0376.123.9
Non Family2281.0259.240.8
Married1292.9698.41.6
Male243.461000
Female176.411000

3.26

Average Family Size

2.03

Average Household Size

76.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Eureka Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Eureka Educational Attainment by Sex (over 25)

Eureka Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Eureka Educational Attainment by Race

All

Male

Female

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$48,500

Average Earnings

$51,518

Average Male

$36,250

Average Female

Eureka Earnings by Educational Attainment

Eureka Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Eureka Language

90.44% of Eureka residents speak only English, while 9.56% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 8.87% of the population.

Eureka Language

Eureka Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White73410814.71%
Black423480.95%
Multiple201890%
Asian66100%

20.6%

Overall Poverty Rate

13.73%

Male Poverty Rate

26.9%

Female Poverty Rate

Poverty in Eureka

The race most likely to be in poverty in Eureka is Asian, with 100% below the poverty level.

The race least likely to be in poverty in Eureka is White, with 14.71% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 7.26%. Among those working part-time, it was 28.35%, and for those that did not work, the poverty rate was 28.29%.

Eureka Poverty

rate

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Rate
Poverty
Less Than 9th Grade50.51%
High School19.9%
Some College14.97%
Bachelors or Greater4.65%

Eureka Poverty Rate by Education

rate

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Rate
Poverty
Male Employed3.9%
Male Unemployed0%
Female Employed20.53%
Female Unemployed0%

Eureka Poverty Rate by Employment Status and Sex

Eureka Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Eureka Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

41.6%

Overall Marriage Rate

46.5%

Male Marriage Rate

37.2%

Female Marriage Rate

Eureka Married by Age and Sex

male

female

Eureka Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Eureka Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Eureka Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

96

Number of Veterans

96

Male Veterans

0

Female Veterans

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Eureka Veterans by War

count

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Eureka Veterans by Age

count

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Eureka Veterans by Race

Eureka Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.55%

Veteran Poverty Rate

21.59%

Veteran Disability Rate

Eureka Veterans by Education

LaborForceParticipation

45.5%

Labor Force Participation

45.5%

Employment Rate

0%

Unemployment Rate

Eureka Employment by Age

LaborForceParticipation

Eureka Employment by Race

LaborForceParticipation

Eureka Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

66.92%

Born in Eureka

97.58%

Native Born

2.42%

Foreign Born

1.76%

Non Citizen

0.66%

Naturalized

Place of Birth

97.58% of Eureka residents were born in the United States, with 66.92% having been born in South Dakota. 1.76% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Eureka Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029755-6-0.79%
2028761-5-0.65%
2027766-6-0.78%
2026772-5-0.64%
2025777-6-0.77%
2024783-5-0.63%
2023788-6-0.76%
2022794-9-1.12%
2021803-2-0.25%
2020805-25-3.01%
2019830-4-0.48%
201883410.12%
2017833-3-0.36%
201683600%
2015836-9-1.07%
2014845-4-0.47%
2013849-3-0.35%
2012852-8-0.93%
2011860-4-0.46%
201086400%

Eureka Population by Year