Sumner Flag

Sumner

County:
Bremer County
County Seat:
No
Area (mi²):
35.562
State:
Iowa

Sumner is located in Bremer County, Iowa. Sumner has a 2025 population of 363 . Sumner 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 is $131,283 with a poverty rate of 4.68%. The median age in Sumner is 27.5 years: 27.8 years for males, and 24.8 years for females. For every 100 females there are 121.3 males.

363
Total Population
10
Density (mi²)

Sumner Population

Sumner Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sumner includes 100% White, and smaller percentages for and multiracial populations.

Population by Race

White (100%)

Race
Population
Percentage (of total)
White363100%

Sumner Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sumner's average per capita income is $47,860. Household income levels show a median of $98,072. The poverty rate stands at 4.68%.

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$98,835-
Families$98,602$156,259
Households$98,072$131,283
Non Families-$55,678

$47,860

Average Income

$98,072

Median Household Income

4.68%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)