Lewis township

County:: Cass County
County Seat:: No
Area (mi²):: 48.203
State:: Iowa

Lewis township is located in Cass County, Iowa. Lewis township has a 2025 population of 12,793. Lewis 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 Lewis township is $103,408 with a poverty rate of 6.43%. The median age in Lewis township is 41.1 years: 39.7 years for males, and 42.2 years for females.

Demographics

The racial composition of Lewis township includes 88.12% White, 4.1% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	11,273	88.12%
Two or more races	831	6.5%
Black or African American	525	4.1%
Asian	139	1.09%
Other race	17	0.13%
Native American	6	0.05%
Native Hawaiian or Pacific Islander	2	0.02%

Lewis township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lewis township's average per capita income is $53,956. Household income levels show a median of $79,483. The poverty rate stands at 6.43%.

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	$112,889	-
Families	$101,111	$118,132
Households	$79,483	$103,408
Non Families	$41,324	$56,323

$53,956

Average Income

$79,483

Median Household Income

6.43%

Poverty Rate