Eureka is a city located in McPherson County South Dakota. Eureka has a 2024 population of 761. Eureka is currently declining at a rate of -1.55% annually and its population has decreased by -5.7% since the most recent census, which recorded a population of 807 in 2020.
The average household income in Eureka is $71,812 with a poverty rate of 20.6%. The median age in Eureka is 59.1 years: 55.6 years for males, and 59.7 years for females.
According to the most recent ACS, the racial composition of Eureka was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 838 | 92.09% |
| Black or African American | 42 | 4.62% |
| Two or more races | 20 | 2.2% |
| Asian | 6 | 0.66% |
| Native American | 2 | 0.22% |
| Native Hawaiian or Pacific Islander | 2 | 0.22% |
| Other race | 0 | 0% |
White
Black or African American
Two or more races
Asian
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 398 | 2.03 | 76.1 | 23.9 |
| Non Family | 228 | 1.02 | 59.2 | 40.8 |
| Married | 129 | 2.96 | 98.4 | 1.6 |
| Male | 24 | 3.46 | 100 | 0 |
| Female | 17 | 6.41 | 100 | 0 |
3.26
Average Family Size
2.03
Average Household Size
76.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 52 | 7.65% |
| Associates Degree | 68 | 10% |
| Bachelors Degree | 86 | 12.65% |
| Graduate Degree | 43 | 6.32% |
| High School Graduate | 260 | 38.24% |
| Less Than 9th Grade | 92 | 13.53% |
| Some College | 79 | 11.62% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 647 | 505 | 122 |
| Black | 16 | 16 | 0 |
| 2+ Races | 8 | 8 | 0 |
| Asian | 6 | 6 | 6 |
| Hispanic | 2 | 2 | 0 |
| Islander | 2 | 0 | 0 |
| Native American | 1 | 1 | 1 |
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%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $57,159 | $85,625 | $55,795 |
| Graduate Degree | $66,458 | $0 | $0 |
| High School Graduate | $29,444 | $47,750 | $19,432 |
| Less Than 9th Grade | $8,125 | $0 | $8,125 |
| Overall | $48,500 | $51,518 | $36,250 |
| Some College | $52,321 | $0 | $0 |
$48,500
Average Earnings
$51,518
Average Male
$36,250
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 734 | 108 | 14.71% |
| Black | 42 | 34 | 80.95% |
| Multiple | 20 | 18 | 90% |
| Asian | 6 | 6 | 100% |
20.6%
Overall Poverty Rate
13.73%
Male Poverty Rate
26.9%
Female Poverty Rate
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%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 50.51% |
| High School | 19.9% |
| Some College | 14.97% |
| Bachelors or Greater | 4.65% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 3.9% |
| Male Unemployed | 0% |
| Female Employed | 20.53% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $51,765 | $77,162 |
| Households | $29,333 | $71,812 |
| Married Families | $52,279 | $-999,999,999 |
| Non Families | $19,737 | $65,627 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
41.6%
Overall Marriage Rate
46.5%
Male Marriage Rate
37.2%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
96
Number of Veterans
96
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Vietnam | 40 |
| First Gulf War | 18 |
| World War II | 4 |
| Korea | 3 |
| Second Gulf War | 0 |
count
Age Group | Veterans |
|---|---|
| 65 to 74 | 35 |
| 75+ | 35 |
| 55 to 64 | 26 |
| 18 to 34 | 0 |
| 35 to 54 | 0 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 96 | 13.48% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
4.55%
Veteran Poverty Rate
21.59%
Veteran Disability Rate
LaborForceParticipation
45.5%
Labor Force Participation
45.5%
Employment Rate
0%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 704 | -12 | -1.68% |
| 2028 | 716 | -11 | -1.51% |
| 2027 | 727 | -11 | -1.49% |
| 2026 | 738 | -12 | -1.6% |
| 2025 | 750 | -11 | -1.45% |
| 2024 | 761 | -12 | -1.55% |
| 2023 | 773 | -24 | -3.01% |
| 2022 | 797 | -9 | -1.12% |
| 2021 | 806 | -1 | -0.12% |
| 2020 | 807 | -23 | -2.77% |
| 2019 | 830 | -4 | -0.48% |
| 2018 | 834 | 1 | 0.12% |
| 2017 | 833 | -3 | -0.36% |
| 2016 | 836 | 0 | 0% |
| 2015 | 836 | -9 | -1.07% |
| 2014 | 845 | -4 | -0.47% |
| 2013 | 849 | -3 | -0.35% |
| 2012 | 852 | -8 | -0.93% |
| 2011 | 860 | -4 | -0.46% |
| 2010 | 864 | 0 | 0% |