Madison township Flag

Madison township

County:
Buchanan County
County Seat:
No
Area (mi²):
36.428
State:
Iowa

Madison township is located in Buchanan County, Iowa. Madison township has a 2025 population of 644. Madison 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 Madison township is $78,860 with a poverty rate of 10.56%.The median age in Madison township is 41.8 years: 30.7 years for males, and 49.5 years for females.

644
Total Population
18
Density (mi²)
0 0%
Growth

Madison township Population

Madison township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Madison township includes 88.04% White, 4.5% Native American, and smaller percentages for Native Hawaiian or Pacific Islander, Asian, Black or African American, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White56788.04%
Two or more races345.28%
Native American294.5%
Native Hawaiian or Pacific Islander81.24%
Asian30.47%
Black or African American20.31%
Other race10.16%

Madison township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Madison township's average per capita income is $45,913. Household income levels show a median of $66,250. The poverty rate stands at 10.56%.

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$90,313-
Families$77,059$88,543
Households$66,250$78,860
Non Families$32,188$46,507

$45,913

Average Income

$66,250

Median Household Income

10.56%

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)