Columbia township Flag

Columbia township

County:
Marion County
County Seat:
No
Area (mi²):
36.032
State:
Iowa

Columbia township is located in Marion County, Iowa. Columbia township has a 2025 population of 193. Columbia township 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 Columbia township is $52,850 with a poverty rate of 3.63%.The median age in Columbia township is 66.9 years: 64.6 years for males, and 69.2 years for females.

193
Total Population
5
Density (mi²)
0 0%
Growth

Columbia township Population

Columbia township Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White193100%

Columbia township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Columbia township's average per capita income is $39,300. Household income levels show a median of $0. The poverty rate stands at 3.63%.

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
Non Families$73,750$61,348
Households-$52,850
Families-$49,787
Married Families--

$39,300

Average Income

$0

Median Household Income

3.63%

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)