Plank township Flag

Plank township

County:
Keokuk County
County Seat:
No
Area (mi²):
57.154
State:
Iowa

Plank township is located in Keokuk County, Iowa. Plank township has a 2025 population of 507. Plank 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 Plank township is $119,126 with a poverty rate of 0%.The median age in Plank township is 41 years: 42.2 years for males, and 40.7 years for females.

507
Total Population
9
Density (mi²)
0 0%
Growth

Plank township Population

Plank township Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White507100%

Plank township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Plank township's average per capita income is $45,625. Household income levels show a median of $71,429. The poverty rate stands at 0%.

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$94,940-
Families$94,286$154,630
Households$71,429$119,126
Non Families$36,688$44,682

$45,625

Average Income

$71,429

Median Household Income

0%

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)