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, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,593	94.99%
Asian	67	4%
Two or more races	17	1.01%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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