Sanilac Township, MI

Township in Sanilac County, MI, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

2,341

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

Median Age

57.9

years ∙ half population younger than 57.9, half older

Diversity Index

6.4%

chance two random people differ in race and ethnicity

Nativity

2.1%

foreign-born population

97.9%Native

2.1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Sanilac Township is a township in Sanilac County, Michigan, United States.

Location

Township in Sanilac County, MI, US

Co-ordinates

DEC43.406710° N, 82.583799° W

DMS43° 24′ 24.16″ N, 82° 35′ 01.68″ W

Population Density & area

57.38/sq mi (22.17/km²)

Total Area

40.9 sq mi (105.8 km²)

Land Area

40.8 sq mi (105.6 km²) · 99.84%

Water Area

0.1 sq mi (0.2 km²) · 0.16%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

48.4% male

Male 48.4%

Female 51.6%

males per 100 females

Sanilac Township 93.6

Sanilac County 101.7

Michigan 98.2

Nativity

2.1%

foreign-born population

97.9%Native

2.1% Foreign-born

% Foreign-born

Sanilac Township 2.1%

Sanilac County 1.4%

Michigan 7.2%

Age Distribution

How the population is spread across age groups

Median Age

57.9

years ∙ half population younger than 57.9, half older

Sanilac Township

57.9

Sanilac County

45.5

Michigan

40.2

Dependency ratio

100.8

dependents per 100 working-age adults

Sanilac Township 100.8

Sanilac County 79.2

Michigan 66.3

AGE DISTRIBUTION

Distribution of age group

Median age

	Sanilac Township	Sanilac County	Michigan
Age Group
Children (Under 18)	16.3%	20.9%	21.2%
Working age (18-64)	49.8%	55.9%	60.2%
Senior (65+)	33.9%	23.2%	18.6%
Dependency ratio
Total dependency ratio	100.8	79.2	66.3
Child dependency ratio	32.8	37.5	35.3
Old-age dependency ratio	68	41.6	31

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

96.7%

Black

0.1%

Asian

Hispanic

0.9%

Other

2.3%

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

6.4%

chance two random people differ in race and ethnicity

Sanilac Township 6.4%

Sanilac County 15.3%

Michigan 45.2%

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 Sanilac Township population

	Sanilac Township	Sanilac County	Michigan
Hispanic or Latino	0.9%	4.3%	5.9%
Mexican	0.3%	3.5%	4%
Puerto Rican	0.6%	0.2%	0.5%
Cuban	0%	0.1%	0.2%
Other Hispanic / Latino	0%	0.5%	1.2%
Not Hispanic or Latino	99.1%	95.7%	94.1%
One race	96.8%	92.9%	89.6%
White	96.7%	91.9%	72.4%
Black or African American	0.1%	0.4%	13.1%
American Indian and Alaska Native	0%	0.1%	0.3%
Asian	0%	0.3%	3.4%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0%	0.3%	0.5%
Two or more races (Multiracial)	2.3%	2.8%	4.5%

Household & Families Composition

Household size, type, and family structure

Household structure

61.5% family

Family 61.5%

Non family 38.5%

% family households

Sanilac Township 61.5%

Sanilac County 64%

Michigan 62.4%

Average household size

2.01

persons per household

Sanilac Township

2.01

Sanilac County

2.28

Michigan

2.42

Household & Family COMPOSITION

Households

Percentage of Sanilac Township population

	Sanilac Township	Sanilac County	Michigan
Total households	1,157	17,516	4,076,369
Average houshold size	2.01	2.28	2.42
Family households	711	11,207	2,545,621
Average family size	2.57	2.82	3.05
Married couple family	585	8,696	1,878,767
Other families	126	2,511	666,854
Male householder	16	904	199,150
Female householder	110	1,607	467,704
Non-family households	446	6,309	1,530,748
One-person households	410	5,432	1,250,418
Male householder	203	2,827	583,425
Senior (65+) living alone	140	1,080	188,594
Female householder	207	2,605	666,993
Senior (65+) living alone	147	1,697	349,637
Other living arrangements	36	877	280,330

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

1,632

housing units

Sanilac Township 1,632

Sanilac County 21,756

Michigan 4,622,236

Occupancy status

70.9% occupied

Occupied 70.9%

Vacant 29.1%

vacancy rate

Sanilac Township 29.1%

Sanilac County 19.5%

Michigan 11.8%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

81.9%

Single family houses

81.9%

Apartments in multi-unit structures

2.9%

Mobile homes

15.2%

Boat, RV, van, etc

Median Year Built

1979

Half of houses were built before 1979, and half after.

Historic ∙ 1939 or earlier

20.3%

Postwar & mid-century ∙ 1940 - 1969

20%

Late 20th century ∙ 1970 - 1999

45%

Modern ∙ 2000 or later

14.7%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Sanilac Township	Sanilac County	Michigan
Rooms per unit
Median rooms	5.9	5.9	5.9
1–3 rooms	7.4%	7.9%	10.5%
4–6 rooms	59.4%	55.7%	51.9%
7+ rooms	33.2%	36.4%	37.6%
Bedrooms
No bedroom / studio	0.7%	0.9%	1.6%
1 bedroom	1.8%	5.8%	8.9%
2 bedrooms	30%	26.9%	24.6%
3 bedrooms	52.8%	48.6%	43.5%
4+ bedrooms	14.7%	17.7%	21.4%
At a glance
Median year built	1979	1972	1972
Total housing units	1,632	21,756	4,622,236

Occupancy Profile

Who is inside and how they use it

Homeownership

84.8% owners

Renter-occupied 15.2%

Owner-occupied 84.8%

homeownership rate

Sanilac Township 84.8%

Sanilac County 82.6%

Michigan 73.2%

Average household size

2.09

Owner-occupied

1.59

Renter-occupied

owner-occupied average size

Sanilac Township 2.09

Sanilac County 2.34

Michigan 2.54

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Sanilac Township	Sanilac County	Michigan
Total occupied units	1,157	17,516	4,076,369
Year moved in
2020 or later	12.1%	15.8%	21%
2010 to 2019	39%	36.7%	39.5%
2000 to 2009	23.9%	18.5%	16%
1999 or earlier	25%	29%	23.4%
Occupants per room
1.00 or fewer	98.7%	98.2%	98.4%
1.01 to 1.50	1.3%	1.2%	1.2%
1.51 or more	0%	0.6%	0.4%
Vehicles availability
No vehicles	2.5%	5.9%	7%
1 vehicle	39.8%	32.6%	34.8%
2 vehicles	37.3%	36.1%	38.3%
3 or more vehicles	20.4%	25.4%	19.8%
House heating fuel used
Gas	86.7%	76%	83.6%
Electricity	7.5%	10.8%	12.1%
Solar	0%	0%	0%
Fuel oil, kerosene etc	0%	3.5%	0.8%
All other fuels	5.6%	8.4%	3%
No fuel used	0.3%	1.3%	0.5%
Selected characteristics
Lacking complete plumbing	1.1%	0.8%	0.4%
Lacking complete kitchen	0%	1.1%	0.7%
No telephone service available	2.1%	2.1%	0.7%

Housing Value

What owner-occupied units are worth

Median home value

$174,400

owner-occupied units

Median value(USD)

Sanilac Township

$174,400

Sanilac County

$168,300

Michigan

$231,600

Housing Cost Burden

26.4%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

26.4%

Owners without a mortgage

13.2%

Renters

35.7%

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

	Sanilac Township	Sanilac County	Michigan
Property value
Median Value	$174,400	$168,300	$231,600
Under $100,000	17%	22.5%	16.8%
$100,000 - $200,000	36.7%	36.6%	24.7%
$200,000 - $300,000	21.7%	22%	23.4%
$300,000 - $500,000	13.3%	13.3%	24.1%
$500,000 - $1,000,000	9.2%	4.7%	9.2%
$1,000,000 and more	2.1%	0.9%	1.6%
Owner-occupied households
With a mortgage	46.8%	49%	57.8%
Without a mortgage	53.2%	51%	42.2%
Median monthly owner costs
With a mortgage	$1,370	$1,226	$1,569
Without a mortgage	$546	$489	$602
Gross rent
Median rent	$905	$807	$1,129

Education Profile

How educated is the community and how education pays off

Adults with a college degree

21.4%

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

Sanilac Township 21.4%

Sanilac County 16.5%

Michigan 32.4%

Adults without a high school diploma

4.9%

of adults (25+) without a high school diploma

Sanilac Township 4.9%

Sanilac County 9.4%

Michigan 8%

School Enrollment

Who is enrolled in school and at what level

School enrollment

348

population (age 3+) enrolled in school

Nursery / Preschool

10.1%

K–12

87.1%

College / Undergraduate

1.4%

Graduate / Professional

1.4%

College-going rate (18-24 yr olds)

5.6%

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

Sanilac Township

5.6%

Sanilac County

14.2%

Michigan

41.1%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Sanilac Township	Sanilac County	Michigan
Total enrolled (age 3+)	348	7,596	2,312,914
Nursery / preschool	10.1%	7.1%	5.6%
K–12	87.1%	80.8%	67.9%
Kindergarten	1.7%	6.4%	5.2%
Elementary: Grades 1–4	24.1%	23.7%	19.7%
Elementary: Grades 5–8	21.3%	24.7%	20.8%
High School: Grades 9–12	39.9%	25.9%	22.2%
College or graduate school	2.9%	12.1%	26.5%
College, undergraduate	1.4%	10.5%	21.1%
Graduate, professional school	1.4%	1.6%	5.4%
College-going rate · 18-24 yr olds	5.6%	14.2%	41.1%
School type
Public school	90.5%	86%	85.2%
Private school	9.5%	14%	14.8%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

1,887

population 25 years and over

Total adults (25+)

Less than 9th grade

1.1%

9th-12th, no diploma

3.8%

HS graduate

39.7%

Some college no degree

21.3%

Associates degree

12.8%

Bachelors degree

12.5%

Graduate or professional degree

8.9%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

38.1% · 61.9%

9th-12th, no diploma

57.7% · 42.3%

HS graduate

48.7% · 51.3%

Some college no degree

49.6% · 50.4%

Associates degree

43.2% · 56.8%

Bachelors degree

60.4% · 39.6%

Graduate or professional degree

23.8% · 76.2%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Sanilac Township	Sanilac County	Michigan
Population (25+)	1,887	29,043	7,008,507
Less than 9th grade	1.1%	3.4%	2.6%
9th–12th, no diploma	3.8%	6%	5.4%
High school diploma or GED	39.7%	41%	28%
Some college, no degree	21.3%	21.9%	21.9%
Associate's degree	12.8%	11.3%	9.8%
Bachelor's degree or higher	21.4%	16.5%	32.4%
Bachelor's degree	12.5%	10.2%	19.7%
Graduate or professional	8.9%	6.2%	12.7%
High School or higher	95.1%	90.6%	92.1%

Earnings by education level

percentage as applicable

Median Earnings

$41,544

Median earnings for adults 25+, by level

Less than HS graduate

$32,083

HS graduate

$35,956

Some college or associates

$43,438

Bachelors degree

$—

Graduate or professional degree

$121,014

Poverty Rate

3.2%

for ages 25+, with bachelors degree or higher

Less than HS graduate

8.7%

HS graduate

17.9%

Some college or associates

4.8%

Bachelors degree or higher

3.2%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Sanilac Township	Sanilac County	Michigan
Median earnings
Population 25+, with earnings	$41,544	$41,876	$50,316
Less than high school graduate	$32,083	$34,339	$31,851
High school graduate (includes equivalency)	$35,956	$35,528	$37,777
Some college or associate's degree	$43,438	$40,105	$44,844
Bachelor's degree	$—	$61,868	$66,893
Graduate or professional degree	$121,014	$71,659	$85,195
Poverty rates
Less than high school graduate	8.7%	22.7%	27.4%
High school graduate (includes equivalency)	17.9%	15.2%	15.2%
Some college or associate's degree	4.8%	11.3%	10.3%
Bachelor's degree or higher	3.2%	3.8%	4.2%

Insights for Sanilac Township, 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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