Allegan County, Michigan

County in MI, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

121,456

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

Median Age

years ∙ half population younger than 41, half older

Diversity Index

27.5%

chance two random people differ in race and ethnicity

Nativity

3.5%

foreign-born population

96.5%Native

3.5% Foreign-born

Geographic Context

Location, size, and surroundings

About

Allegan County is a county in Michigan, United States.

Location

County in MI, US

Co-ordinates

DEC42.421251° N, 86.261403° W

DMS42° 25′ 16.50″ N, 86° 15′ 41.05″ W

Population Density & area

147.2/sq mi (56.83/km²)

Total Area

1,833 sq mi (4,748 km²)

Land Area

825 sq mi (2,137 km²) · 45%

Water Area

1,008 sq mi (2,611 km²) · 55%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

50.3% male

Male 50.3%

Female 49.7%

males per 100 females

Allegan County 101.1

Michigan 98.2

United States 98

Nativity

3.5%

foreign-born population

96.5%Native

3.5% Foreign-born

% Foreign-born

Allegan County 3.5%

Michigan 7.2%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

years ∙ half population younger than 41, half older

Allegan County

Michigan

40.2

United States

38.9

Dependency ratio

71.4

dependents per 100 working-age adults

Allegan County 71.4

Michigan 66.3

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Allegan County	Michigan	United States
Age Group
Children (Under 18)	23.2%	21.2%	22%
Working age (18-64)	58.4%	60.2%	60.8%
Senior (65+)	18.4%	18.6%	17.2%
Dependency ratio
Total dependency ratio	71.4	66.3	64.4
Child dependency ratio	39.8	35.3	36.1
Old-age dependency ratio	31.6	31	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

84.6%

Black

1.2%

Asian

0.7%

Hispanic

8.1%

Other

5.4%

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

27.5%

chance two random people differ in race and ethnicity

Allegan County 27.5%

Michigan 45.2%

United States 61.4%

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 Allegan County population

	Allegan County	Michigan	United States
Hispanic or Latino	8.1%	5.9%	19.3%
Mexican	6.7%	4%	11.3%
Puerto Rican	0.3%	0.5%	1.8%
Cuban	0.1%	0.2%	0.8%
Other Hispanic / Latino	1%	1.2%	5.5%
Not Hispanic or Latino	91.9%	94.1%	80.7%
One race	87.2%	89.6%	76.4%
White	84.6%	72.4%	57.4%
Black or African American	1.2%	13.1%	11.9%
American Indian and Alaska Native	0.2%	0.3%	0.5%
Asian	0.7%	3.4%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0.5%	0.5%	0.6%
Two or more races (Multiracial)	4.7%	4.5%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

72.8% family

Family 72.8%

Non family 27.2%

% family households

Allegan County 72.8%

Michigan 62.4%

United States 64.2%

Average household size

2.64

persons per household

Allegan County

2.64

Michigan

2.42

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Allegan County population

	Allegan County	Michigan	United States
Total households	45,522	4,076,369	129,227,496
Average houshold size	2.64	2.42	2.53
Family households	33,119	2,545,621	82,990,528
Average family size	3.08	3.05	3.14
Married couple family	26,368	1,878,767	60,637,388
Other families	6,751	666,854	22,353,140
Male householder	2,498	199,150	6,572,819
Female householder	4,253	467,704	15,780,321
Non-family households	12,403	1,530,748	46,236,968
One-person households	9,836	1,250,418	37,140,836
Male householder	4,764	583,425	16,871,444
Senior (65+) living alone	1,732	188,594	5,225,110
Female householder	5,072	666,993	20,269,392
Senior (65+) living alone	2,996	349,637	10,089,070
Other living arrangements	2,567	280,330	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

52,636

housing units

Allegan County 52,636

Michigan 4,622,236

United States 143,775,355

Occupancy status

86.5% occupied

Occupied 86.5%

Vacant 13.5%

vacancy rate

Allegan County 13.5%

Michigan 11.8%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

81.7%

Single family houses

81.7%

Apartments in multi-unit structures

7.5%

Mobile homes

10.7%

Boat, RV, van, etc

0.1%

Median Year Built

1982

Half of houses were built before 1982, and half after.

Historic ∙ 1939 or earlier

16.1%

Postwar & mid-century ∙ 1940 - 1969

19.7%

Late 20th century ∙ 1970 - 1999

39.2%

Modern ∙ 2000 or later

25%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Allegan County	Michigan	United States
Rooms per unit
Median rooms	6.2	5.9	5.5
1–3 rooms	5.6%	10.5%	15.1%
4–6 rooms	49.9%	51.9%	51.6%
7+ rooms	44.6%	37.6%	33.4%
Bedrooms
No bedroom / studio	0.4%	1.6%	2.9%
1 bedroom	4.6%	8.9%	10.9%
2 bedrooms	20.8%	24.6%	25%
3 bedrooms	46.7%	43.5%	38.7%
4+ bedrooms	27.5%	21.4%	22.4%
At a glance
Median year built	1982	1972	1981
Total housing units	52,636	4,622,236	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

87.4% owners

Renter-occupied 12.6%

Owner-occupied 87.4%

homeownership rate

Allegan County 87.4%

Michigan 73.2%

United States 65.2%

Average household size

2.68

Owner-occupied

2.35

Renter-occupied

owner-occupied average size

Allegan County 2.68

Michigan 2.54

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Allegan County	Michigan	United States
Total occupied units	45,522	4,076,369	129,227,496
Year moved in
2020 or later	15.8%	21%	24.8%
2010 to 2019	40.5%	39.5%	39.6%
2000 to 2009	18.1%	16%	16.4%
1999 or earlier	25.7%	23.4%	19.1%
Occupants per room
1.00 or fewer	97.7%	98.4%	96.6%
1.01 to 1.50	2%	1.2%	2.2%
1.51 or more	0.3%	0.4%	1.2%
Vehicles availability
No vehicles	2.5%	7%	8.4%
1 vehicle	27.6%	34.8%	33.1%
2 vehicles	42.8%	38.3%	36.6%
3 or more vehicles	27.2%	19.8%	21.9%
House heating fuel used
Gas	81.8%	83.6%	51.4%
Electricity	5.5%	12.1%	41.3%
Solar	0.2%	0%	0.3%
Fuel oil, kerosene etc	2.7%	0.8%	3.9%
All other fuels	9.3%	3%	2%
No fuel used	0.5%	0.5%	1.2%
Selected characteristics
Lacking complete plumbing	0.2%	0.4%	0.4%
Lacking complete kitchen	0.5%	0.7%	0.8%
No telephone service available	0.6%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$267,100

owner-occupied units

Median value(USD)

Allegan County

$267,100

Michigan

$231,600

United States

$332,700

Housing Cost Burden

22.6%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

22.6%

Owners without a mortgage

10%

Renters

45.8%

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

	Allegan County	Michigan	United States
Property value
Median Value	$267,100	$231,600	$332,700
Under $100,000	12.4%	16.8%	11.4%
$100,000 - $200,000	19.8%	24.7%	15.8%
$200,000 - $300,000	25.8%	23.4%	17.8%
$300,000 - $500,000	29.8%	24.1%	26.9%
$500,000 - $1,000,000	9.7%	9.2%	20.9%
$1,000,000 and more	2.5%	1.6%	7.1%
Owner-occupied households
With a mortgage	56.8%	57.8%	60.6%
Without a mortgage	43.2%	42.2%	39.4%
Median monthly owner costs
With a mortgage	$1,523	$1,569	$1,963
Without a mortgage	$575	$602	$638
Gross rent
Median rent	$1,100	$1,129	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

27.1%

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

Allegan County 27.1%

Michigan 32.4%

United States 35.7%

Adults without a high school diploma

7.6%

of adults (25+) without a high school diploma

Allegan County 7.6%

Michigan 8%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

26,223

population (age 3+) enrolled in school

Nursery / Preschool

5.8%

K–12

81.3%

College / Undergraduate

10.7%

Graduate / Professional

2.2%

College-going rate (18-24 yr olds)

19%

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

Allegan County

19%

Michigan

41.1%

United States

40.9%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Allegan County	Michigan	United States
Total enrolled (age 3+)	26,223	2,312,914	80,089,790
Nursery / preschool	5.8%	5.6%	5.7%
K–12	81.3%	67.9%	67.6%
Kindergarten	7%	5.2%	5%
Elementary: Grades 1–4	21.9%	19.7%	19.8%
Elementary: Grades 5–8	26.4%	20.8%	21%
High School: Grades 9–12	26%	22.2%	21.7%
College or graduate school	12.9%	26.5%	26.7%
College, undergraduate	10.7%	21.1%	21%
Graduate, professional school	2.2%	5.4%	5.8%
College-going rate · 18-24 yr olds	19%	41.1%	40.9%
School type
Public school	84.9%	85.2%	82%
Private school	15.1%	14.8%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

84,097

population 25 years and over

Total adults (25+)

Less than 9th grade

2.4%

9th-12th, no diploma

5.2%

HS graduate

35.6%

Some college no degree

20.9%

Associates degree

8.7%

Bachelors degree

18.1%

Graduate or professional degree

9.1%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

53.6% · 46.4%

9th-12th, no diploma

55.7% · 44.3%

HS graduate

53.1% · 46.9%

Some college no degree

46.5% · 53.5%

Associates degree

43.8% · 56.2%

Bachelors degree

49.4% · 50.6%

Graduate or professional degree

45.6% · 54.4%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Allegan County	Michigan	United States
Population (25+)	84,097	7,008,507	230,807,303
Less than 9th grade	2.4%	2.6%	4.7%
9th–12th, no diploma	5.2%	5.4%	5.7%
High school diploma or GED	35.6%	28%	26%
Some college, no degree	20.9%	21.9%	19.1%
Associate's degree	8.7%	9.8%	8.8%
Bachelor's degree or higher	27.1%	32.4%	35.7%
Bachelor's degree	18.1%	19.7%	21.6%
Graduate or professional	9.1%	12.7%	14.1%
High School or higher	92.4%	92.1%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$51,065

Median earnings for adults 25+, by level

Less than HS graduate

$40,581

HS graduate

$43,440

Some college or associates

$47,809

Bachelors degree

$66,444

Graduate or professional degree

$77,610

Poverty Rate

2.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

20.3%

HS graduate

9.7%

Some college or associates

6.1%

Bachelors degree or higher

2.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Allegan County	Michigan	United States
Median earnings
Population 25+, with earnings	$51,065	$50,316	$52,696
Less than high school graduate	$40,581	$31,851	$32,485
High school graduate (includes equivalency)	$43,440	$37,777	$40,153
Some college or associate's degree	$47,809	$44,844	$47,260
Bachelor's degree	$66,444	$66,893	$70,044
Graduate or professional degree	$77,610	$85,195	$90,720
Poverty rates
Less than high school graduate	20.3%	27.4%	24.2%
High school graduate (includes equivalency)	9.7%	15.2%	14.4%
Some college or associate's degree	6.1%	10.3%	9.8%
Bachelor's degree or higher	2.1%	4.2%	4.5%

Insights for Allegan County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

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