Jefferson township

County:: Greene County
County Seat:: No
Area (mi²):: 35.62
State:: Iowa

Jefferson township is located in Greene County, Iowa. Jefferson township has a 2025 population of 796. 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 $130,385 with a poverty rate of 3.64%.The median age in Jefferson township is 50.3 years: 58.3 years for males, and 45.1 years for females.

Demographics

The racial composition of Jefferson township includes 96.73% White, and smaller percentages for Two or more races, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	770	96.73%
Two or more races	14	1.76%
Asian	12	1.51%

Jefferson township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson township's average per capita income is $69,857. Household income levels show a median of $114,200. The poverty rate stands at 3.64%.

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	$156,458	-
Families	$147,250	$150,325
Households	$114,200	$130,385
Non Families	-	$75,810

$69,857

Average Income

$114,200

Median Household Income

3.64%

Poverty Rate