Rock township

County:: Sioux County
County Seat:: No
Area (mi²):: 35.414
State:: Iowa

Rock township is located in Sioux County, Iowa. Rock township has a 2025 population of 4,647. Rock 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 Rock township is $93,037 with a poverty rate of 5.61%. The median age in Rock township is 38.7 years: 38 years for males, and 41.2 years for females.

Demographics

The racial composition of Rock township includes 79.3% White, 3.21% other race, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	3,685	79.3%
Two or more races	811	17.45%
Other race	149	3.21%
Black or African American	2	0.04%
Native American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%

Rock township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock township's average per capita income is $42,789. Household income levels show a median of $72,404. The poverty rate stands at 5.61%.

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	$107,580	-
Families	$104,167	$113,859
Households	$72,404	$93,037
Non Families	$23,736	$36,040

$42,789

Average Income

$72,404

Median Household Income

5.61%

Poverty Rate