Jefferson township

County:: Greene County
County Seat:: No
Area (mi²):: 36.047
State:: Iowa

Jefferson township is located in Greene County, Iowa. Jefferson township has a 2025 population of 1,494. 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 $81,819 with a poverty rate of 5.73%. The median age in Jefferson township is 45.3 years: 45.8 years for males, and 40.5 years for females.

Demographics

The racial composition of Jefferson township includes 88.69% White, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	1,325	88.69%
Two or more races	167	11.18%
Asian	2	0.13%
Black or African American	0	0%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Jefferson township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Jefferson township's average per capita income is $41,835. Household income levels show a median of $74,063. The poverty rate stands at 5.73%.

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	$91,250	-
Families	$89,083	$95,465
Households	$74,063	$81,819
Non Families	$41,953	$45,462

$41,835

Average Income

$74,063

Median Household Income

5.73%

Poverty Rate