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

White

Two or more races

Native American

Native Hawaiian or Pacific Islander

Asian

Black or African American

Other 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

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)