Summit township Flag

Summit township

County:
Mason County
County Seat:
No
Area (mi²):
12.801
State:
Michigan

Summit township is located in Mason County, Michigan. Summit township has a 2026 population of 989. Summit township is currently declining at a rate of -0.3% annually and its population has decreased by -0.1% since the most recent census, which recorded a population of 990 in 2020.

The median household income in Summit township is $94,141 with a poverty rate of 1.55%. The median age in Summit township is 59.2 years: 60.1 years for males, and 59 years for females. For every 100 females there are 98.6 males.

989
Total Population
77
Density (mi²)
-3 -0.3%
Growth

Summit township Population

Summit township Population

Year ↓
Population
Growth
Annual Change
2026989-3-0.3%
2025992-3-0.3%
2024995-2-0.2%
2023997-5-0.5%
20221,00210.1%
20211,001111.11%
2020990-1-0.1%
201994420.21%
201894200%
201794270.75%
201693530.32%
201593210.11%
201493130.32%
201392800%
201292810.11%
201192730.32%
201092810.11%

Median Age

Overall: 59.2 years
Female: 59 years
Male: 60.1 years

Summit township Adults

There are 828 adults, (342 of whom are seniors) in Summit township.

Sex Ratio

Female: 492 (50.4%)
Male: 485 (49.6%)

Demographics

The racial composition of Summit township includes 91.5% White, and smaller percentages for other race, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White89491.5%
Two or more races495.02%
Other race272.76%
Asian50.51%
Native American20.2%
Race
Population ↓
Percentage (of total)
White303.07%
Other race272.76%
Two or more races60.61%
Race
Population ↓
Percentage (of total)
White86488.43%
Two or more races434.4%
Asian50.51%
Native American20.2%

Summit township Marital Status

Economics and Income Statistics

Summit township's average per capita income is $62,031. Household income levels show a median of $94,141. The poverty rate stands at 1.55%.

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$107,273-
Families$99,167$140,071
Households$94,141$126,298
Non Families$76,583$81,546

$62,031

Average Income

$94,141

Median Household Income

1.55%

Poverty Rate

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)