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, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other 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%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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