Columbia is located in Marion County, Iowa. Columbia has a 2025 population of 193 . Columbia 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 is $52,850 with a poverty rate of 3.63%. The median age in Columbia is 66.9 years: 64.6 years for males, and 69.2 years for females. For every 100 females there are 103.2 males.
Data after 2023 is projected based on recent change
The racial composition of Columbia includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 193 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Columbia's average per capita income is $39,300. Household income levels show a median of $0. The poverty rate stands at 3.63%.
Name | Median | Mean |
|---|---|---|
| Non Families | $73,750 | $61,348 |
| Households | - | $52,850 |
| Families | - | $49,787 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate