Eureka vs Long Lake

A side-by-side comparison of Eureka and Long Lake: population, income, housing, and more.

Eureka and Long Lake are places in South Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Eureka has the higher population (946 vs 17 in Long Lake). Long Lake has the higher median household income ($58,438 vs $34,167 in Eureka). Eureka has the higher median home value ($69,800 vs $28,800 in Long Lake).

Population, income & housing

	Eureka	Long Lake
Population	946	17
Median age	58.7 yrs	68.4 yrs
Median household income	$34,167	$58,438
Median home value	$69,800	$28,800
Median gross rent	$557	—
Housing units	582	69
Homeownership rate	79.6%	81.8%
Bachelor's degree or higher	20.3%	0.0%
Unemployment rate	0.0%	0.0%

Trends (ACS 5-year, 2019–2023)

	Eureka	Long Lake
Population	1,018 → 946 (-7.1%)	42 → 17 (-59.5%)
Median household income	$30,321 → $34,167 (+12.7%)	$56,250 → $58,438 (+3.9%)
Median home value	$49,800 → $69,800 (+40.2%)	$23,600 → $28,800 (+22.0%)
Median gross rent	$488 → $557 (+14.1%)	—

Eureka

Population

1,018946

Median household income

$30,321$34,167

Median home value

$49,800$69,800

Median gross rent

$488$557

Long Lake

Population

4217

Median household income

$56,250$58,438

Median home value

$23,600$28,800

Age & race/ethnicity

Age distribution (share)

	Eureka	Long Lake
Under 5	3.5%	0.0%
5 to 17	13.4%	11.8%
18 to 24	8.8%	0.0%
25 to 34	9.8%	0.0%
35 to 44	4.5%	17.6%
45 to 54	6.4%	11.8%
55 to 64	13.0%	0.0%
65 to 74	16.3%	47.1%
75 and over	24.2%	11.8%

Race & ethnicity (share)

	Eureka	Long Lake
White (non-Hispanic)	93.1%	100.0%
Black or African American	4.0%	0.0%
American Indian & Alaska Native	0.2%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.3%	0.0%
Some other race	0.0%	0.0%
Two or more races	1.9%	0.0%
Hispanic or Latino	0.4%	0.0%

Educational attainment (age 25+)

Share of adults 25+

	Eureka	Long Lake
No high school diploma	22.8%	13.3%
High school graduate	37.7%	26.7%
Some college or associate's	19.2%	60.0%
Bachelor's degree	13.9%	0.0%
Graduate or professional degree	6.4%	0.0%

Commute to work

How workers get to work (share)

	Eureka	Long Lake
Drove alone	82.8%	0.0%
Carpooled	4.9%	66.7%
Public transit	0.0%	0.0%
Walked	10.3%	0.0%
Bicycle	1.0%	0.0%
Worked from home	1.0%	0.0%
Other means	0.0%	33.3%

Housing

Units in structure (share)

	Eureka	Long Lake
1-unit, detached	85.7%	81.2%
1-unit, attached	0.0%	0.0%
2 to 4 units	5.8%	10.1%
5 to 19 units	0.7%	8.7%
20 or more units	4.6%	0.0%
Mobile home & other	3.1%	0.0%

Poverty & households

	Eureka	Long Lake
Poverty rate	16.6%	11.8%
Average household size	2.05	1.55
Mean commute (minutes)	16	—
Median year structure built	1955	1942