Madison is located in Poweshiek County, Iowa. Madison has a 2025 population of 543. Madison 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 Madison is $84,429 with a poverty rate of 2.95%.The median age in Madison is 55 years: 52 years for males, and 57.1 years for females.
Data after 2023 is projected based on recent change
The racial composition of Madison includes 99.26% White, and smaller percentages for Two or more races and multiracial populations.
White (99.3%)
Two or more races (0.7%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 539 | 99.26% |
| Two or more races | 4 | 0.74% |
Married
Widowed
Divorced
Separated
Never Married
Madison's average per capita income is $61,667. Household income levels show a median of $76,593. The poverty rate stands at 2.95%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,821 | - |
| Households | $76,593 | $84,429 |
| Families | $76,591 | $80,019 |
| Non Families | $75,781 | $84,369 |
Average Income
Median Household Income
Poverty Rate