Jefferson township

County:: Greene County
County Seat:: No
Area (mi²):: 35.735
State:: Iowa

Jefferson township is located in Greene County, Iowa. Jefferson township has a 2025 population of 574. Jefferson 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 Jefferson township is $103,890 with a poverty rate of 1.92%.The median age in Jefferson township is 43.1 years: 38.8 years for males, and 44.3 years for females.

Demographics

The racial composition of Jefferson township includes 91.99% White, and smaller percentages for and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	528	91.99%
Two or more races	46	8.01%

Jefferson township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson township's average per capita income is $55,000. Household income levels show a median of $90,893. The poverty rate stands at 1.92%.

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	$127,188	-
Families	$125,417	$123,452
Households	$90,893	$103,890
Non Families	$54,010	$53,589

$55,000

Average Income

$90,893

Median Household Income

1.92%

Poverty Rate