Summit township

County:: Marion County
County Seat:: No
Area (mi²):: 39.863
State:: Iowa

Summit township is located in Marion County, Iowa. Summit township has a 2025 population of 1,677. Summit township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Summit township is $111,035 with a poverty rate of 2.39%.The median age in Summit township is 43.4 years: 49 years for males, and 37.4 years for females.

Demographics

The racial composition of Summit township includes 94.99% White, 4% Asian, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,593	94.99%
Asian	67	4%
Two or more races	17	1.01%

Summit township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Summit township's average per capita income is $57,263. Household income levels show a median of $103,825. The poverty rate stands at 2.39%.

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
Families	$118,021	$127,266
Married Families	$112,396	-
Households	$103,825	$111,035
Non Families	$46,436	$53,867

$57,263

Average Income

$103,825

Median Household Income

2.39%

Poverty Rate