Seneca township

County:: Lenawee County
County Seat:: No
Area (mi²):: 40.063
State:: Michigan

Seneca township is located in Lenawee County, Michigan. Seneca township has a 2025 population of 1,102. Seneca township is currently declining at a rate of -0.63% annually and its population has decreased by -3.5% since the most recent census, which recorded a population of 1,142 in 2020.

The average household income in Seneca township is $77,614 with a poverty rate of 3.76%.The median age in Seneca township is 52.4 years: 49.8 years for males, and 55.9 years for females.

Demographics

The racial composition of Seneca township includes 95.7% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,024	95.7%
Two or more races	44	4.11%
Black or African American	2	0.19%

Seneca township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Seneca township's average per capita income is $38,571. Household income levels show a median of $60,391. The poverty rate stands at 3.76%.

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	$68,875	-
Families	$62,917	$74,788
Households	$60,391	$77,614
Non Families	$48,203	$78,845

$38,571

Average Income

$60,391

Median Household Income

3.76%

Poverty Rate