Superior Flag

Superior

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

Superior is a city located in Dickinson County, Iowa. Superior has a 2026 population of 124. Superior is currently declining at a rate of -0.8% annually and its population has decreased by -6.77% since the most recent census, which recorded a population of 133 in 2020.

The median household income in Superior is $75,625 with a poverty rate of 3.67%. The median age in Superior is 48.1 years: 48.7 years for males, and 47.6 years for females. For every 100 females there are 109.4 males.

124
Total Population
289
Density (mi²)
-1 -0.8%
Growth

Superior Population

Superior Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026124-1-0.8%
2025125-2-1.57%
202412700%
2023127-6-4.51%
202213310.76%
2021132-1-0.75%
202013300%
201912000%
2018120-2-1.64%
2017122-3-2.4%
201612500%
2015125-2-1.57%
2014127-2-1.55%
2013129-1-0.77%
2012130-1-0.76%
201113110.77%
201013000%

Median Age

Overall: 48.1 years
Female: 47.6 years
Male: 48.7 years

Superior Adults

There are 82 adults, (29 of whom are seniors) in Superior.

Sex Ratio

Female: 53 (47.7%)
Male: 58 (52.3%)

Demographics

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

Population by Race

Race
Population ↓
Percentage (of total)
White111100%
Race
Population ↓
Percentage (of total)
White111100%

Superior Marital Status

Economics and Income Statistics

Superior 's average per capita income is $46,429. Household income levels show a median of $75,625. The poverty rate stands at 3.67%.

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$92,813-
Families$86,250$90,613
Households$75,625$75,842
Non Families-$39,485

$46,429

Average Income

$75,625

Median Household Income

3.67%

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)