Lake County, South Dakota Population 2024

11,122

Lake County, South Dakota's estimated 2024 population is 11,122 with a growth rate of 0.82% in the past year according to the most recent United States census data. Lake County, South Dakota is the 16th largest county in South Dakota. The 2010 population was 11,278 and has seen a growth of -1.38% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202911,577910.79%
202811,486910.8%
202711,395910.81%
202611,304910.81%
202511,213910.82%
202411,122910.82%
202311,031910.83%
202210,940760.7%
202110,864-153-1.39%
202011,017-1,752-13.72%
201912,769-276-2.12%
201813,0452311.8%
201712,8141931.53%
201612,6212712.19%
201512,3502492.06%
201412,1011801.51%
201311,9211641.39%
201211,7571941.68%
201111,5632852.53%
201011,27800%
199010,550-174-1.62%
198010,724-732-6.39%
197011,456-308-2.62%
196011,764-28-0.24%
195011,792-620-5%
194012,412330.27%
193012,3791221%
192012,2571,54614.43%
191010,7111,57417.23%
19009,1371,62921.7%
18907,5084,851182.57%
18802,657-8,920-77.05%
2024 Growth Rate
0.82% (91)
County Website
Lake County
2020 Population
11,017
Area
563 mi²
Density
20 people/mi²
Growth Since 2020
0.95% (105)
Founded
1873

Population by Race

Race
Population
Percentage (of total)
White10,48793.58%
Two or more races2972.65%
Native American2492.22%
Other race1161.04%
Black or African American420.37%
Asian120.11%
Native Hawaiian or Pacific Islander40.04%

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Lake County, South Dakota Population by Race

Lake County, South Dakota Population Pyramid 2024

Lake County, South Dakota Median Age

44.3

Total

43.6

Male

45.5

Female

Lake County, South Dakota Adults

There are 8,967 adults, (2,625 of whom are seniors) in Lake County, South Dakota.

Lake County, South Dakota Age Dependency

76.7

Age Dependency Ratio

41.4

Old Age Dependency Ratio

35.3

Child Dependency Ratio

Lake County, South Dakota Sex Ratio

Female5,36847.9%
Male5,83952.1%

Lake County, South Dakota Population by Age

Lake County, South Dakota Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4,5522.3573.426.6
Married2,3182.9887.812.2
Non Family1,6591.2649.750.3
Female3802.5889.210.8
Male1953.6672.327.7

2.95

Average Family Size

2.35

Average Household Size

73.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lake County, South Dakota Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3694.77%
Associates Degree83910.84%
Bachelors Degree1,92624.89%
Graduate Degree7479.65%
High School Graduate2,06226.65%
Less Than 9th Grade1471.9%
Some College1,64721.29%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Lake County, South Dakota Educational Attainment by Sex (over 25)

Lake County, South Dakota Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White7,3006,8572,579
Hispanic17211537
Native American14814221
2+ Races13112933
Other Race100436
Asian1244
Black110

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among white people with a rate of 35.33%.

Lake County, South Dakota Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,092$63,500$37,566
Graduate Degree$60,517$62,000$60,208
High School Graduate$36,909$50,196$26,226
Less Than 9th Grade$38,750$37,889$45,335
Overall$42,650$50,011$36,382
Some College$41,005$46,370$36,985

$42,650

Average Earnings

$50,011

Average Male

$36,382

Average Female

Lake County, South Dakota Earnings by Educational Attainment

Lake County, South Dakota Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Lake County, South Dakota Language

97.75% of Lake County, South Dakota residents speak only English, while 2.25% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.35% of the population.

Lake County, South Dakota Language

Lake County, South Dakota Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White9,8808648.74%
Multiple29716455.22%
Native23173.03%

9.66%

Overall Poverty Rate

10.35%

Male Poverty Rate

8.92%

Female Poverty Rate

Poverty in Lake County, South Dakota

The race most likely to be in poverty in Lake County, South Dakota is Multiple, with 55.22% below the poverty level.

The race least likely to be in poverty in Lake County, South Dakota is Native, with 3.03% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.37%. Among those working part-time, it was 16.06%, and for those that did not work, the poverty rate was 9%.

Lake County, South Dakota Poverty

rate

Rate
Poverty
High School11.02%
Less Than 9th Grade5.2%
Bachelors or Greater4.25%
Some College2.68%

Lake County, South Dakota Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed9.52%
Female Employed8.09%
Male Employed7.64%
Female Unemployed3.23%

Lake County, South Dakota Poverty Rate by Employment Status and Sex

Lake County, South Dakota Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$90,750$127,922
Households$74,884$105,315
Married Families$104,250$-999,999,999
Non Families$42,014$64,738

mean

median

Income by Household Type

Lake County, South Dakota Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.9%

Overall Marriage Rate

54.1%

Male Marriage Rate

51.5%

Female Marriage Rate

Lake County, South Dakota Married by Age and Sex

male

female

Lake County, South Dakota Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Lake County, South Dakota Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Lake County, South Dakota Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

616

Number of Veterans

601

Male Veterans

15

Female Veterans

War
Veterans
Vietnam308
First Gulf War89
Second Gulf War70
Korea55
World War II7

Lake County, South Dakota Veterans by War

count

Age Group
Veterans
65 to 74236
75+173
55 to 64128
35 to 5459
18 to 3420

Lake County, South Dakota Veterans by Age

count

Name
Veterans
% of Total
White5756.86%
2+ Races4123.98%

Lake County, South Dakota Veterans by Race

Lake County, South Dakota Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0.83%

Veteran Poverty Rate

26.29%

Veteran Disability Rate

Lake County, South Dakota Veterans by Education

LaborForceParticipation

66.9%

Labor Force Participation

65.2%

Employment Rate

1.6%

Unemployment Rate

Lake County, South Dakota Employment by Age

LaborForceParticipation

Lake County, South Dakota Employment by Race

LaborForceParticipation

Lake County, South Dakota Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

71.09%

Born in Lake County, South Dakota

98.28%

Native Born

1.72%

Foreign Born

1.14%

Non Citizen

0.58%

Naturalized

Place of Birth

98.28% of Lake County, South Dakota residents were born in the United States, with 71.09% having been born in South Dakota. 1.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Lake County, South Dakota Place of Birth

Sources