Madison Lake, MN

City in Blue Earth County, MN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

1,322

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

years ∙ half population younger than 40, half older

Diversity Index

13.5%

chance two random people differ in race and ethnicity

Nativity

0.2%

foreign-born population

99.8%Native

0.2% Foreign-born

Geographic Context

Location, size, and surroundings

About

Madison Lake is a city within Blue Earth County, Minnesota, United States.

Location

City in Blue Earth County, MN, US

Co-ordinates

DEC44.208059° N, 93.817855° W

DMS44° 12′ 29.01″ N, 93° 49′ 04.28″ W

Population Density & area

965/sq mi (372.4/km²)

Total Area

1.38 sq mi (3.58 km²)

Land Area

1.37 sq mi (3.55 km²) · 99.16%

Water Area

0.01 sq mi (0.03 km²) · 0.84%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

49.2% male

Male 49.2%

Female 50.8%

males per 100 females

Madison Lake 97

Blue Earth County 103.1

Minnesota 100.4

Nativity

0.2%

foreign-born population

99.8%Native

0.2% Foreign-born

% Foreign-born

Madison Lake 0.2%

Blue Earth County 5.4%

Minnesota 8.7%

Age Distribution

How the population is spread across age groups

Median Age

years ∙ half population younger than 40, half older

Madison Lake

Blue Earth County

31.6

Minnesota

38.8

Dependency ratio

83.9

dependents per 100 working-age adults

Madison Lake 83.9

Blue Earth County 53.8

Minnesota 67.1

AGE DISTRIBUTION

Distribution of age group

Median age

	Madison Lake	Blue Earth County	Minnesota
Age Group
Children (Under 18)	24.4%	19.7%	22.9%
Working age (18-64)	54.3%	65%	59.8%
Senior (65+)	21.3%	15.3%	17.3%
Dependency ratio
Total dependency ratio	83.9	53.8	67.1
Child dependency ratio	44.8	30.3	38.2
Old-age dependency ratio	39.1	23.5	28.9

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

92.9%

Black

3.2%

Asian

0.2%

Hispanic

0.6%

Other

3.1%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

13.5%

chance two random people differ in race and ethnicity

Madison Lake 13.5%

Blue Earth County 28.1%

Minnesota 41%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Madison Lake population

	Madison Lake	Blue Earth County	Minnesota
Hispanic or Latino	0.6%	4.8%	6.4%
Mexican	0%	3.6%	3.9%
Puerto Rican	0%	0.2%	0.3%
Cuban	0%	0%	0.1%
Other Hispanic / Latino	0.6%	1.1%	2%
Not Hispanic or Latino	99.4%	95.2%	93.6%
One race	96.2%	91.8%	89.1%
White	92.9%	84.4%	75.9%
Black or African American	3.2%	4.8%	6.9%
American Indian and Alaska Native	0%	0.2%	0.7%
Asian	0.2%	2.3%	5.1%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.2%	0.5%
Two or more races (Multiracial)	3.2%	3.4%	4.5%

Household & Families Composition

Household size, type, and family structure

Household structure

57.7% family

Family 57.7%

Non family 42.3%

% family households

Madison Lake 57.7%

Blue Earth County 55.5%

Minnesota 62.3%

Average household size

2.31

persons per household

Madison Lake

2.31

Blue Earth County

2.37

Minnesota

2.43

Household & Family COMPOSITION

Households

Percentage of Madison Lake population

	Madison Lake	Blue Earth County	Minnesota
Total households	572	27,606	2,307,955
Average houshold size	2.31	2.37	2.43
Family households	330	15,316	1,438,404
Average family size	3.02	2.93	3.04
Married couple family	277	11,780	1,129,003
Other families	53	3,536	309,401
Male householder	20	1,334	102,922
Female householder	33	2,202	206,479
Non-family households	242	12,290	869,551
One-person households	207	7,752	686,475
Male householder	85	4,050	320,418
Senior (65+) living alone	18	918	97,557
Female householder	122	3,702	366,057
Senior (65+) living alone	98	1,710	186,557
Other living arrangements	35	4,538	183,076

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

721

housing units

Madison Lake 721

Blue Earth County 29,864

Minnesota 2,545,030

Occupancy status

79.3% occupied

Occupied 79.3%

Vacant 20.7%

vacancy rate

Madison Lake 20.7%

Blue Earth County 7.6%

Minnesota 9.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

77.5%

Single family houses

77.5%

Apartments in multi-unit structures

18.2%

Mobile homes

4.3%

Boat, RV, van, etc

Median Year Built

1992

Half of houses were built before 1992, and half after.

Historic ∙ 1939 or earlier

18.9%

Postwar & mid-century ∙ 1940 - 1969

18.5%

Late 20th century ∙ 1970 - 1999

25.2%

Modern ∙ 2000 or later

37.4%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Madison Lake	Blue Earth County	Minnesota
Rooms per unit
Median rooms	5.7	6.1	6.1
1–3 rooms	18%	13.5%	14.9%
4–6 rooms	44%	43.1%	41.4%
7+ rooms	38%	43.5%	43.7%
Bedrooms
No bedroom / studio	3.5%	2.6%	2.7%
1 bedroom	12.3%	9.8%	11.4%
2 bedrooms	24%	24.1%	24.5%
3 bedrooms	38.6%	36%	32.2%
4+ bedrooms	21.6%	27.4%	29.1%
At a glance
Median year built	1992	1979	1979
Total housing units	721	29,864	2,545,030

Occupancy Profile

Who is inside and how they use it

Homeownership

68.9% owners

Renter-occupied 31.1%

Owner-occupied 68.9%

homeownership rate

Madison Lake 68.9%

Blue Earth County 61.4%

Minnesota 72.2%

Average household size

2.6

Owner-occupied

1.66

Renter-occupied

owner-occupied average size

Madison Lake 2.6

Blue Earth County 2.57

Minnesota 2.59

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Madison Lake	Blue Earth County	Minnesota
Total occupied units	572	27,606	2,307,955
Year moved in
2020 or later	29.7%	32.1%	23.8%
2010 to 2019	40.7%	36%	38.9%
2000 to 2009	17.3%	13.4%	16.1%
1999 or earlier	12.3%	18.5%	21.2%
Occupants per room
1.00 or fewer	100%	97.5%	97.7%
1.01 to 1.50	0%	1.4%	1.5%
1.51 or more	0%	1.1%	0.8%
Vehicles availability
No vehicles	0%	6.6%	6.7%
1 vehicle	29.4%	28.2%	30.8%
2 vehicles	50.9%	41.1%	39.5%
3 or more vehicles	19.8%	24%	23.1%
House heating fuel used
Gas	75.5%	76.8%	75.9%
Electricity	24%	20.2%	19.4%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	0%	0.5%	1.3%
All other fuels	0.5%	1.9%	2.5%
No fuel used	0%	0.6%	0.9%
Selected characteristics
Lacking complete plumbing	1.7%	0.6%	0.4%
Lacking complete kitchen	0%	0.9%	0.7%
No telephone service available	0%	1%	0.7%

Housing Value

What owner-occupied units are worth

Median home value

$303,100

owner-occupied units

Median value(USD)

Madison Lake

$303,100

Blue Earth County

$266,700

Minnesota

$329,300

Housing Cost Burden

24.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

24.9%

Owners without a mortgage

11.9%

Renters

53.5%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Madison Lake	Blue Earth County	Minnesota
Property value
Median Value	$303,100	$266,700	$329,300
Under $100,000	6%	9.7%	7.7%
$100,000 - $200,000	10.4%	20.8%	13.3%
$200,000 - $300,000	33%	28.9%	22.6%
$300,000 - $500,000	36.5%	29.3%	36.9%
$500,000 - $1,000,000	11.2%	9.5%	17%
$1,000,000 and more	2.8%	1.8%	2.6%
Owner-occupied households
With a mortgage	74.4%	60%	64%
Without a mortgage	25.6%	40%	36%
Median monthly owner costs
With a mortgage	$1,970	$1,662	$1,947
Without a mortgage	$725	$660	$698
Gross rent
Median rent	$596	$1,123	$1,280

Education Profile

How educated is the community and how education pays off

Adults with a college degree

40.2%

of adults 25+ with a bachelor's degree or higher

Madison Lake 40.2%

Blue Earth County 34.2%

Minnesota 39.4%

Adults without a high school diploma

of adults (25+) without a high school diploma

Madison Lake 2%

Blue Earth County 5.3%

Minnesota 6.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

298

population (age 3+) enrolled in school

Nursery / Preschool

6.4%

K–12

84.6%

College / Undergraduate

6.4%

Graduate / Professional

2.7%

College-going rate (18-24 yr olds)

18.8%

of 18-24-year-olds in college or graduate school

Madison Lake

18.8%

Blue Earth County

62.5%

Minnesota

39.1%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Madison Lake	Blue Earth County	Minnesota
Total enrolled (age 3+)	298	22,165	1,385,086
Nursery / preschool	6.4%	4.1%	6.2%
K–12	84.6%	45.3%	69.9%
Kindergarten	14.4%	3.4%	5.2%
Elementary: Grades 1–4	31.5%	13.6%	20.6%
Elementary: Grades 5–8	20.1%	13%	21.7%
High School: Grades 9–12	18.5%	15.3%	22.4%
College or graduate school	9.1%	50.6%	23.9%
College, undergraduate	6.4%	46.1%	18.8%
Graduate, professional school	2.7%	4.5%	5.1%
College-going rate · 18-24 yr olds	18.8%	62.5%	39.1%
School type
Public school	81.9%	86.7%	83.3%
Private school	18.1%	13.3%	16.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

936

population 25 years and over

Total adults (25+)

Less than 9th grade

0.7%

9th-12th, no diploma

1.3%

HS graduate

23.2%

Some college no degree

20.1%

Associates degree

14.5%

Bachelors degree

22.1%

Graduate or professional degree

18.1%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

0% · 100%

9th-12th, no diploma

100% · 0%

HS graduate

54.4% · 45.6%

Some college no degree

55.3% · 44.7%

Associates degree

35.3% · 64.7%

Bachelors degree

42.5% · 57.5%

Graduate or professional degree

35.5% · 64.5%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Madison Lake	Blue Earth County	Minnesota
Population (25+)	936	40,881	3,923,744
Less than 9th grade	0.7%	2.4%	2.7%
9th–12th, no diploma	1.3%	2.9%	3.4%
High school diploma or GED	23.2%	24.5%	23.3%
Some college, no degree	20.1%	21.8%	19.5%
Associate's degree	14.5%	14.3%	11.8%
Bachelor's degree or higher	40.2%	34.2%	39.4%
Bachelor's degree	22.1%	23.2%	25.6%
Graduate or professional	18.1%	11%	13.8%
High School or higher	98%	94.7%	93.9%

Earnings by education level

percentage as applicable

Median Earnings

$55,050

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$40,313

Some college or associates

$51,172

Bachelors degree

$71,731

Graduate or professional degree

$90,417

Poverty Rate

1.9%

for ages 25+, with bachelors degree or higher

Less than HS graduate

73.7%

HS graduate

10.6%

Some college or associates

7.7%

Bachelors degree or higher

1.9%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Madison Lake	Blue Earth County	Minnesota
Median earnings
Population 25+, with earnings	$55,050	$51,493	$58,615
Less than high school graduate	$—	$29,000	$36,257
High school graduate (includes equivalency)	$40,313	$44,822	$42,951
Some college or associate's degree	$51,172	$48,319	$51,845
Bachelor's degree	$71,731	$59,087	$73,301
Graduate or professional degree	$90,417	$80,708	$89,644
Poverty rates
Less than high school graduate	73.7%	14.2%	23.7%
High school graduate (includes equivalency)	10.6%	12.2%	12.3%
Some college or associate's degree	7.7%	11.3%	7.8%
Bachelor's degree or higher	1.9%	5.8%	3.2%

Insights for Madison Lake, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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