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COUNTY · 1990 CENSUS

Lake County

South Dakota · 10,550 residents · 562.891 sq mi
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The short version

Lake County has lower-than-average household income, with a median household income of $23,674. Population has declined 6% since 2000. Median home value is $37,700.

At a glance
Lower income
below the US median
US median: $30,130
Mid-age
median age 33.9
US median: 33.0
Average education
18% hold a bachelor's degree
US average: 20%
More affordable
home values down 33%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

10,550
−6%vs 2000
vs 11,276 in 2000
1990 – 2025
19 / sq mi
−6%vs 2000
vs 20 / sq mi in 2000
US average: 221
33.9
−7%vs 2000
vs 36.5 in 2000
US average: 33.0
Population, 19902024
10K11K12K12K13K1990201020202024Lake County
202411K
1990201020202024
Section 02

Income & economy

$23,674
−8%inflation adjusted, since 2000
vs $34,087 in 2000
US average: $30,130
1990 – 2024
$11,388
−31%vs 2000
vs $16,446 in 2000
US average: $14,340
10.4%
+0.7 ptsvs 2000
vs 9.7% in 2000
US average: 13.2%
Section 03

Housing

$37,700
−33%inflation adjusted, since 2000
vs $73,900 in 2000
US average: $93,722
1990 – 2024
$238
−18%inflation adjusted, since 2000
vs $382 in 2000
US average: $450
67.5%
−3.0 ptsvs 2000
vs 70.5% in 2000
32.5% rent
1.6
−27%vs 2000
vs 2.2 in 2000
1990 – 2024
RELATED:See current rent listings in Lake County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic97.4%(10,981)
Black0.2%(23)
Hispanic / Latino0.8%(89)
Asian0.5%(61)
Other0%
Diversity Score3.8%(432)
1990
White, non-Hispanic98.7%(10,409)
Black0%(0)
Hispanic / Latino0.2%(23)
Asian0.5%(48)
Other0.9%(93)
Diversity Score3.8%(405)
4
Unchangedvs 2000
vs 4 in 2000
1990 – 2024
Section 05

Education

18.5%
−2.6 ptsvs 2000
vs 21.1% in 2000
US average: 20.3%
High school or higher
79.6%
−6.1 ptsvs 2000
vs 85.7% in 2000
US average: 75.2%
5.1%
−0.5 ptsvs 2000
vs 5.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

24.3 min
+88%vs 2000
vs 12.9 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

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Frequently asked

How many people live in Lake County, South Dakota?

Lake County, South Dakota has about 10,550 residents according to the 1990 Census.

What is the median household income in Lake County, South Dakota?

The typical household in Lake County, South Dakota earns about $23,674 a year. Half of households make more than that, and half make less.

Is Lake County, South Dakota expensive?

In Lake County, South Dakota, the median home is worth about $37,700, and the typical rent is about $238 a month.

How educated are people in Lake County, South Dakota?

About 18.5% of adults age 25 and over in Lake County, South Dakota hold a bachelor's degree or higher.

What is the poverty rate in Lake County, South Dakota?

About 10.4% of people in Lake County, South Dakota live below the federal poverty line.

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

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