Castana Flag

Castana

County:
Monona County
County Seat:
No
Area (mi²):
0.907
State:
Iowa

Castana is a city located in Monona County, Iowa. Castana has a 2026 population of 101. Castana is currently declining at a rate of -0.98% annually and its population has decreased by -4.72% since the most recent census, which recorded a population of 106 in 2020.

The median household income in Castana is $55,469 with a poverty rate of 6.17%. The median age in Castana is 43.8 years: 43.9 years for males, and 38.9 years for females. For every 100 females there are 78.0 males.

101
Total Population
111
Density (mi²)
-1 -0.98%
Growth

Castana Population

Castana Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026101-1-0.98%
2025102-1-0.97%
2024103-1-0.96%
202310400%
202210400%
2021104-2-1.89%
202010600%
2019133-1-0.75%
201813400%
2017134-2-1.47%
2016136-1-0.73%
201513700%
2014137-3-2.14%
201314010.72%
2012139-3-2.11%
2011142-5-3.4%
201014200%

Median Age

Overall: 43.8 years
Female: 38.9 years
Male: 43.9 years

Castana Adults

There are 134 adults, (22 of whom are seniors) in Castana.

Sex Ratio

Female: 91 (56.2%)
Male: 71 (43.8%)

Demographics

The racial composition of Castana includes 95.68% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White15595.68%
Two or more races74.32%
Race
Population ↓
Percentage (of total)
White15595.68%
Two or more races74.32%

Castana Marital Status

Economics and Income Statistics

Castana 's average per capita income is $26,528. Household income levels show a median of $55,469. The poverty rate stands at 6.17%.

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$95,750-
Families$70,625$83,417
Households$55,469$70,816
Non Families-$53,397

$26,528

Average Income

$55,469

Median Household Income

6.17%

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)