Penn township Flag

Penn township

County Seat:
No
Area (mi²):
36.403
State:
Iowa

Penn township is located in Jefferson County, Iowa. Penn township has a 2025 population of 324. Penn 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 Penn township is $84,710 with a poverty rate of 4.63%.The median age in Penn township is 53.6 years: 59.2 years for males, and 36.9 years for females.

324
Total Population
9
Density (mi²)
0 0%
Growth

Penn township Population

Penn township Population

Data after 2023 is projected based on recent change

Demographics

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

Population by Race

Race
Population
Percentage (of total)
White324100%

Penn township Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Penn township's average per capita income is $42,000. Household income levels show a median of $84,375. The poverty rate stands at 4.63%.

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
Families$108,092$102,179
Married Families$102,321-
Households$84,375$84,710
Non Families$41,250$56,252

$42,000

Average Income

$84,375

Median Household Income

4.63%

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)