Superior Flag

Superior

County Seat:
No
Area (mi²):
0.429
State:
Iowa

Superior is a city located in Dickinson County, Iowa. Superior has a 2025 population of 123. Superior is currently declining at a rate of -1.6% annually and its population has decreased by -7.52% since the most recent census, which recorded a population of 133 in 2020.

The average household income in Superior is $66,049 with a poverty rate of 6.15%. The median age in Superior is 47.4 years: 48.3 years for males, and 47.2 years for females.

123
Total Population
287
Density (mi²)
-2 -1.6%
Growth

Superior Population

Superior Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Superior includes 100% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race, Two or more races and multiracial populations.

Population by Race

White

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Two or more races

Race
Population
Percentage (of total)
White132100%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
Two or more races00%

Superior Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Superior's average per capita income is $45,114. Household income levels show a median of $59,432. The poverty rate stands at 6.15%.

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$70,625-
Families$59,773$72,157
Households$59,432$66,049
Non Families-$44,747

$45,114

Average Income

$59,432

Median Household Income

6.15%

Poverty Rate

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)