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 and multiracial populations.

Population by Race

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%

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