Sumner

County:: Bremer County
County Seat:: No
Area (mi²):: 2.458
State:: Iowa

Sumner is a city located in Bremer County, Iowa. Sumner has a 2025 population of 2,033. Sumner is currently growing at a rate of 0.05% annually and its population has increased by 0.3% since the most recent census, which recorded a population of 2,027 in 2020.

The average household income in Sumner is $75,896 with a poverty rate of 11.82%.The median age in Sumner is 47.1 years: 45.8 years for males, and 48.6 years for females.

Demographics

The racial composition of Sumner includes 95.28% White, and smaller percentages for Two or more races, Black or African American, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	2,057	95.28%
Two or more races	58	2.69%
Black or African American	30	1.39%
Native American	14	0.65%

Sumner Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sumner's average per capita income is $42,264. Household income levels show a median of $56,174. The poverty rate stands at 11.82%.

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	$100,893	-
Families	$76,667	$99,479
Households	$56,174	$75,896
Non Families	$33,977	$43,449

$42,264

Average Income

$56,174

Median Household Income

11.82%

Poverty Rate