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CITY

Eureka

South Dakota · 775 residents (2025 est.) · 0.933 sq mi
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The short version

Eureka has notably lower household income than the US average, with a median household income of $47,583. Population has fallen 29% since 2000, a loss of 323 residents. 22% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than tripled since 2000, reaching $78,200. With a median age of 63.1, the population is older than the US median of 38.9. Households here earn about 37% less than the South Dakota median.

At a glance
Lower income
below the US median
US median: $82,259
Older
median age 63.1
US median: 38.9
Less educated
22% hold a bachelor's degree
US average: 36%
Less affordable
home values up 119%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
778
−29%since 2000
from 1,101 in 2000
1990 – 2025
Population density
834 / sq mi
−29%since 2000
from 1,180 / sq mi in 2000
US average: 281
Median age
63.1
+4%since 2000
from 60.9 in 2000
US average: 38.9

PEP 2025 EST:775 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
7288589881K1K1990201020202024Eureka
2024778
1990201020202024
Section 02

Income & economy

Median household income
$47,583
+32%inflation adjusted, since 2000
from $19,826 in 2000
US average: $82,259
1990 – 2024
Per capita income
$45,554
+240%since 2000
from $13,379 in 2000
US average: $44,673
Households earning $100K+
29.3%
+16.5 ptssince 2009
from 12.8% in 2009
US average: 53.3%
Poverty rate
15.2%
−0.7 ptssince 2000
from 15.9% in 2000
US average: 12.5%
Income inequality (Gini)
0.583
+19%since 2010
from 0.491 in 2010
US average: 0.476
Workforce by industry, 2024
Transportation & warehousing9.6%
US avg: 2.2%
Information8.6%
US avg: 10.8%
Retail trade7.3%
US avg: 9.9%
Agriculture, forestry, fishing5.4%
US avg: 1.6%
Construction5.4%
US avg: 1.2%
Arts, entertainment, food3.2%
US avg: 1.9%
Other services3.2%
US avg: 6.7%
Public administration3.2%
US avg: 4.8%
Wholesale trade2.6%
US avg: 6.9%
Finance & insurance0.6%
US avg: 5.9%
Professional, scientific, technical0.6%
US avg: 5.1%
Manufacturing0%
US avg: 0.4%
Education & health services0%
US avg: 0.9%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$78,200
+119%inflation adjusted, since 2000
from $19,600 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$557
+21%inflation adjusted, since 2000
from $253 in 2000
US average: $1,442
Owner-occupied
81.8%
+1.3 ptssince 2000
from 80.5% in 2000
18.3% rent
Vacancy rate
24.8%
−2.3 ptssince 2009
from 27.1% in 2009
US average: 10.0%
Owner cost-burdened
22.3%
+5.9 ptssince 2009
from 16.5% in 2009
US average: 22.9%
Renter cost-burdened
28.8%
−16.2 ptssince 2009
from 45.0% in 2009
US average: 47.4%
Afford Score
1.6
+66%since 2000
from 1.0 in 2000
1990 – 2024
Gentrification Score
74
RELATED:See current rent listings in Eureka on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic99%(1,090)
Black0%(0)
Hispanic / Latino0%(0)
Asian0.3%(3)
Other0%
Diversity Score0.7%(8)
2024
White, non-Hispanic95.1%(740)
Black0%(0)
Hispanic / Latino0.3%(2)
Asian0%(0)
Other4.6%(36)
Diversity Score11.6%(91)
Diversity Score
12
+1602%since 2000
from 1 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
21.9%
+12.1 ptssince 2000
from 9.8% in 2000
US average: 35.6%
High school or higher
81.2%
+28.5 ptssince 2000
from 52.7% in 2000
US average: 89.6%
Graduate degree
2.2%
−0.5 ptssince 2000
from 2.7% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
18.8 min
+61%since 2000
from 11.7 min in 2000
US average: 26.5
Drive alone to work
70.9%
+7.5 ptssince 2009
from 63.4% in 2009
US average: 68.9%
Carpooled to work
20.8%
+14.0 ptssince 2009
from 6.8% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
0.3%
−2.3 ptssince 2009
from 2.7% in 2009
US average: 15.0%
Walked to work
8.0%
−16.2 ptssince 2009
from 24.2% in 2009
US average: 2.4%
Biked to work
0.0%
−0.9 ptssince 2009
from 0.9% in 2009
US average: 0.4%
No vehicle available
2.3%
−3.0 ptssince 2009
from 5.3% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
0.3%
−4.5 ptssince 2011
from 4.8% in 2011
US average: 5.2%
Labor force participation
44.2%
−3.2 ptssince 2011
from 47.3% in 2011
US average: 63.5%
Self-employed
29.7%
+18.8 ptssince 2009
from 10.9% in 2009
US average: 13.1%
Management & professional
49.5%
−19.2 ptssince 2009
from 68.8% in 2009
US average: 42.5%
Section 08

People & community

Male
47.0%
+2.3 ptssince 2009
from 44.7% in 2009
Female
53.0%
−2.3 ptssince 2009
from 55.3% in 2009
Foreign born
0.8%
−0.2 ptssince 2009
from 0.9% in 2009
US average: 14.1%
Veterans
15.6%
−28.1 ptssince 2009
from 43.8% in 2009
US average: 6.2%
With a disability
18.3%
−2.5 ptssince 2012
from 20.8% in 2012
US average: 13.3%
Uninsured
2.9%
−91.2 ptssince 2013
from 94.1% in 2013
US average: 8.4%
Broadband at home
78.3%
+25.5 ptssince 2017
from 52.8% in 2017
US average: 91.0%
English only at home
92.0%
+13.4 ptssince 2016
from 78.7% in 2016
US average: 77.7%
Spanish at home
0.7%
−6.0 ptssince 2016
from 6.6% in 2016
US average: 13.6%
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EUREKA VS
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EUREKA VS
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Frequently asked

How many people live in Eureka, South Dakota?

Eureka, South Dakota has about 778 residents according to the 2024 American Community Survey.

What is the median household income in Eureka, South Dakota?

The typical household in Eureka, South Dakota earns about $47,583 a year. Half of households make more than that, and half make less.

Is Eureka, South Dakota expensive?

In Eureka, South Dakota, the median home is worth about $78,200, and the typical rent is about $557 a month.

How educated are people in Eureka, South Dakota?

About 21.9% of adults age 25 and over in Eureka, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Eureka, South Dakota?

About 15.2% of people in Eureka, South Dakota live below the federal poverty line.

Has Eureka, South Dakota grown since 1990?

Yes, Eureka, South Dakota has shrunk since 1990. The population has lost about 426 residents, a change of about -35 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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