Allen township

County:: Warren County
County Seat:: No
Area (mi²):: 17.557
State:: Iowa

Allen township is located in Warren County, Iowa. Allen township has a 2025 population of 4,739. Allen 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 Allen township is $109,228 with a poverty rate of 4.45%. The median age in Allen township is 37.1 years: 36.9 years for males, and 37.4 years for females.

Demographics

The racial composition of Allen township includes 93.8% White, and smaller percentages for Native American, other race, Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	4,445	93.8%
Two or more races	148	3.12%
Native American	103	2.17%
Other race	18	0.38%
Black or African American	17	0.36%
Asian	8	0.17%
Native Hawaiian or Pacific Islander	0	0%

Allen township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Allen township's average per capita income is $59,538. Household income levels show a median of $100,492. The poverty rate stands at 4.45%.

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	$127,861	-
Families	$106,065	$120,382
Households	$100,492	$109,228
Non Families	$43,861	$63,731

$59,538

Average Income

$100,492

Median Household Income

4.45%

Poverty Rate