Jefferson township

County:: Greene County
County Seat:: No
Area (mi²):: 36.391
State:: Iowa

Jefferson township is located in Greene County, Iowa. Jefferson township has a 2025 population of 487. 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 $74,606 with a poverty rate of 1.03%.The median age in Jefferson township is 40.2 years: 51.2 years for males, and 28.2 years for females.

Demographics

The racial composition of Jefferson township includes 92.2% White, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	449	92.2%
Two or more races	37	7.6%
Native American	1	0.21%

Jefferson township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson township's average per capita income is $49,185. Household income levels show a median of $78,625. The poverty rate stands at 1.03%.

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	$95,045	$88,580
Married Families	$91,250	-
Households	$78,625	$74,606
Non Families	$55,565	$44,007

$49,185

Average Income

$78,625

Median Household Income

1.03%

Poverty Rate