Seneca township Flag

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 2026 population of 1,112. Seneca township is currently declining at a rate of -0.18% annually and its population has decreased by -2.63% since the most recent census, which recorded a population of 1,142 in 2020.

The median household income in Seneca township is $63,365 with a poverty rate of 2.03%. The median age in Seneca township is 49.6 years: 48.6 years for males, and 54.3 years for females. For every 100 females there are 107.2 males.

1.1K
Total Population
28
Density (mi²)
-2 -0.18%
Growth

Seneca township Population

Seneca township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,112-2-0.18%
20251,114-2-0.18%
20241,116-2-0.18%
20231,118-6-0.53%
20221,124-9-0.79%
20211,133-9-0.79%
20201,142-1-0.09%
20191,188-1-0.08%
20181,189-5-0.42%
20171,19400%
20161,194-2-0.17%
20151,196-8-0.66%
20141,204-3-0.25%
20131,207-6-0.49%
20121,213-9-0.74%
20111,222-6-0.49%
20101,228-2-0.16%

Median Age

Overall: 49.6 years
Female: 54.3 years
Male: 48.6 years

Seneca township Adults

There are 834 adults, (272 of whom are seniors) in Seneca township.

Sex Ratio

Female: 501 (48.3%)
Male: 537 (51.7%)

Demographics

The racial composition of Seneca township includes 94.8% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White98494.8%
Two or more races525.01%
Black or African American20.19%
Race
Population ↓
Percentage (of total)
White292.79%
Two or more races191.83%
Race
Population ↓
Percentage (of total)
White95592%
Two or more races333.18%
Black or African American20.19%

Seneca township Marital Status

Economics and Income Statistics

Seneca township 's average per capita income is $43,667. Household income levels show a median of $63,365. The poverty rate stands at 2.03%.

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$70,417-
Families$67,500$77,892
Households$63,365$81,125
Non Families$51,161$82,912

$43,667

Average Income

$63,365

Median Household Income

2.03%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)