Lake Madison, South Dakota Population 2024

838

Lake Madison is a city located in Lake County, McCook County, and Moody County South Dakota. Lake Madison has a 2024 population of 838. Lake Madison is currently declining at a rate of -0.71% annually but its population has increased by 3.33% since the most recent census, which recorded a population of 811 in 2020.

The average household income in Lake Madison is $255,310 with a poverty rate of 4.24%. The median age in Lake Madison is 61.7 years: 62.2 years for males, and 60.5 years for females.

Lake Madison Demographics

According to the most recent ACS, the racial composition of Lake Madison was:

  • White: 87.29%
  • Two or more races: 8.59%
  • Native American: 4.12%
  • Black or African American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
4.7 sq mi
Density (mi²)
177.50/sq mi
Growth Since 2020
3.33% (27)
The current population of Lake Madison, South Dakota is 838 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 811.

Population by Race

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Race
Population
Percentage (of total)
White74287.29%
Two or more races738.59%
Native American354.12%
Black or African American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Lake Madison Population by Race

Lake Madison Population Pyramid 2024

Lake Madison Median Age

61.7

Total

62.2

Male

60.5

Female

Lake Madison Adults

There are 773 adults, (354 of whom are seniors) in Lake Madison.

Lake Madison Age Dependency

102.9

Age Dependency Ratio

84.5

Old Age Dependency Ratio

18.4

Child Dependency Ratio

Lake Madison Sex Ratio

Female40147.18%
Male44952.82%

Lake Madison Population by Age

Lake Madison Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4212.02919
Married2902.271000
Non Family1131.1274.325.7
Male163.4443.856.3
Female24.51000

2.34

Average Family Size

2.02

Average Household Size

91.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Lake Madison Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade81.04%
Associates Degree465.97%
Bachelors Degree20626.75%
Graduate Degree17122.21%
High School Graduate19325.06%
Less Than 9th Grade00%
Some College14618.96%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Lake Madison Educational Attainment by Sex (over 25)

Lake Madison Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White682674355
2+ Races616122
Native American27270

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

The highest rate of bachelors degrees is among white people with a rate of 52.05%.

Lake Madison Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$34,265$26,786$36,042
Graduate Degree$57,500$0$53,750
High School Graduate$0$105,809$20,347
Less Than 9th Grade$0$0$0
Overall$44,485$71,250$37,292
Some College$47,000$0$45,500

$44,485

Average Earnings

$71,250

Average Male

$37,292

Average Female

Lake Madison Earnings by Educational Attainment

Lake Madison Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Lake Madison Language

98.12% of Lake Madison residents speak only English, while 1.88% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.88% of the population.

Lake Madison Language

Lake Madison Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White742192.56%
Multiple731723.29%

4.24%

Overall Poverty Rate

2%

Male Poverty Rate

6.73%

Female Poverty Rate

Poverty in Lake Madison

The race most likely to be in poverty in Lake Madison is Multiple, with 23.29% below the poverty level.

The race least likely to be in poverty in Lake Madison is White, with 2.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.35%. Among those working part-time, it was 1.95%, and for those that did not work, the poverty rate was 2.96%.

Lake Madison Poverty

rate

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Rate
Poverty
Some College4.69%
High School4.15%
Less Than 9th Grade0%
Bachelors or Greater0%

Lake Madison Poverty Rate by Education

rate

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Rate
Poverty
Male Employed1.21%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Lake Madison Poverty Rate by Employment Status and Sex

Lake Madison Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$120,882$304,322
Households$114,250$255,310
Married Families$121,176$-999,999,999
Non Families$68,068$120,733

mean

median

Income by Household Type

Lake Madison Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

75.5%

Overall Marriage Rate

77.8%

Male Marriage Rate

72.7%

Female Marriage Rate

Lake Madison Married by Age and Sex

male

female

Lake Madison 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 Madison Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Lake Madison Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

99

Number of Veterans

99

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam54
First Gulf War13
Second Gulf War0
Korea0
World War II0

Lake Madison Veterans by War

count

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Age Group
Veterans
55 to 6440
65 to 7437
75+22
18 to 340
35 to 540

Lake Madison Veterans by Age

count

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Name
Veterans
% of Total
White659.49%
2+ Races3455.74%

Lake Madison Veterans by Race

Lake Madison Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

0%

Veteran Disability Rate

Lake Madison Veterans by Education

LaborForceParticipation

58%

Labor Force Participation

55.4%

Employment Rate

4.4%

Unemployment Rate

Lake Madison Employment by Age

LaborForceParticipation

Lake Madison Employment by Race

LaborForceParticipation

Lake Madison 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

66.35%

Born in Lake Madison

96%

Native Born

4%

Foreign Born

1.88%

Non Citizen

2.12%

Naturalized

Place of Birth

96% of Lake Madison residents were born in the United States, with 66.35% having been born in South Dakota. 1.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Lake Madison Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2024838-6-0.71%
2023844-6-0.71%
2022850-6-0.7%
2021856455.55%
2020811-84-9.39%
2019895-10-1.1%
2018905323.67%
2017873-36-3.96%
2016909505.82%
20158598310.7%
201477612318.84%
201365312423.44%
2012529-34-6.04%
2011563-120-17.57%
201068300%

Lake Madison Population by Year