Sumner township

County:: Bremer County
County Seat:: No
Area (mi²):: 3.748
State:: Iowa

Sumner township is located in Bremer County, Iowa. Sumner township has a 2025 population of 350. Sumner 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 Sumner township is $99,410 with a poverty rate of 16%. The median age in Sumner township is 42.2 years: 42.9 years for males, and 35.4 years for females.

Demographics

The racial composition of Sumner township includes 99.43% White, and smaller percentages for Native American, Two or more races, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	348	99.43%
Native American	1	0.29%
Two or more races	1	0.29%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Sumner township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sumner township's average per capita income is $57,600. Household income levels show a median of $59,779. The poverty rate stands at 16%.

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	$108,281	-
Families	$101,250	$153,830
Households	$59,779	$99,410
Non Families	-	$43,895

$57,600

Average Income

$59,779

Median Household Income

16%

Poverty Rate