Sanilac County Flag

Sanilac County

State:
Michigan
County Seat:
Sandusky

Sanilac County's estimated 2025 population is 40,140 with a growth rate of -0.28% in the past year according to the most recent United States census data. Sanilac County is the 41st largest county in Michigan. The 2010 population was 43,087 and has seen a growth of -6.84% since that time.

40,140
Total Population
42
Population Density (miĀ²)
41
Population Rank (State)
-114 -0.28%
Annual Population Growth

Sanilac County Population

Sanilac County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sanilac County includes 93.77% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White38,04693.77%
Two or more races1,7084.21%
Other race5151.27%
Black or African American1650.41%
Asian720.18%
Native American610.15%
Native Hawaiian or Pacific Islander70.02%

Sanilac County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sanilac County's average per capita income is $40,147. Household income levels show a median of $59,074. The poverty rate stands at 13.98%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$82,148$96,717
Families$73,268$88,368
Households$59,074$76,203
Non Families$35,038$48,402

$40,147

Average Income

$59,074

Median Household Income

13.98%

Poverty Rate