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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

Total population
10,550
−6%vs 2000
vs 11,276 in 2000
1990 – 2025
Median age
33.9
−7%vs 2000
vs 36.5 in 2000
US average: 33.0
Population, 1990 – 2024
10K11K12K12K13K1990201020202024Lake County
202411K
1990201020202024
Age distribution, 1990
Under 56.7%(707)
US avg: 7.3%
5 to 98.5%(896)
US avg: 7.3%
10 to 147.4%(782)
US avg: 6.9%
15 to 197.8%(820)
US avg: 7.1%
20 to 246.8%(715)
US avg: 7.5%
25 to 3414.8%(1,557)
US avg: 17.5%
35 to 4413.3%(1,398)
US avg: 15.1%
45 to 547.7%(812)
US avg: 10.2%
55 to 649%(946)
US avg: 8.5%
65 to 749.2%(970)
US avg: 7.3%
75 to 847.3%(765)
US avg: 4%
85 and over1.7%(182)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

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

Housing

Median home value
$37,700
−33%inflation adjusted, since 2000
vs $73,900 in 2000
US average: $93,722
1990 – 2024
Median gross rent
$238
−18%inflation adjusted, since 2000
vs $382 in 2000
US average: $450
Owner-occupied
67.5%
−3.0 ptsvs 2000
vs 70.5% in 2000
32.5% rent
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%
1990
White, non-Hispanic98.7%(10,409)
Black0%(0)
Hispanic / Latino0.2%(23)
Asian0.5%(48)
Other0.9%(93)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican3.3%(362)
Cuban0.5%(50)
Nicaraguan0.4%(45)
Argentine0.2%(20)
Puerto Rican0.1%(16)
Guatemalan0.1%(6)
Asian origin
Filipino0.4%(43)
Chinese0.3%(30)
Nepalese0.1%(6)
Pacific Islander origin
Chamorro0.2%(19)
Ancestry
German36.4%(3,997)
Norwegian16.3%(1,789)
Irish12.4%(1,359)
English8.5%(937)
American4.4%(486)
Dutch3.5%(383)
Swedish2.8%(312)
Danish2.1%(233)
Welsh1.2%(129)
Scottish0.8%(93)
French0.8%(89)
Finnish0.5%(60)
+ 16 more ancestry groups with data
Russian0.5%(57)
Scotch-Irish0.5%(53)
Italian0.4%(47)
Swiss0.4%(43)
Czech0.3%(37)
Polish0.3%(36)
Australian0.3%(34)
British0.2%(17)
Belgian0.1%(13)
Arab0.1%(10)
Lebanese0.1%(10)
Hungarian0.1%(7)
Ukrainian0.1%(6)
RANKED:Largest German population · Largest Norwegian population · Largest Irish population · Largest English population · Largest American population
Section 05

Education

Bachelor's degree or higher
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%
Graduate degree
5.1%
−0.5 ptsvs 2000
vs 5.6% in 2000
US average: 7.1%
Section 06

Commute & transportation

Average commute
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.

Marital status (2024)
Men 15+
Never married34.6%(1,702)
Married54%(2,658)
Widowed1.3%(66)
Divorced10.1%(499)
Women 15+
Never married25.1%(1,086)
Married52.8%(2,279)
Widowed12.3%(531)
Divorced9.8%(423)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Drill deeper

Places similar to Lake County

Nome Census Area
Pop 9,830
Cumberland County
Pop 10,208
Valley County
Pop 12,831
Marshall County
Pop 11,473
Places similar to Lake County
Head to head

Compare Lake County to nearby counties

LAKE COUNTY VS
Moody County
Income$78,427+231%
Home value$226,500+501%
Population6,632−40%
SEE FULL COMPARISON →
LAKE COUNTY VS
Miner County
Income$76,140+222%
Home value$142,600+278%
Population2,281−79%
SEE FULL COMPARISON →
LAKE COUNTY VS
McCook County
Income$83,852+254%
Home value$230,100+510%
Population5,964−46%
SEE FULL COMPARISON →
LAKE COUNTY VS
Brookings County
Income$70,064+196%
Home value$264,600+602%
Population37,635+242%
SEE FULL COMPARISON →
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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Explore from here

4 census tracts
Census Tract 9602.02Census Tract 9601Census Tract 9603Census Tract 9602.01
7 ZIP codes
ZIP 57042ZIP 57075ZIP 57054ZIP 57016ZIP 57076ZIP 57057ZIP 57050
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →