Sioux City

County:: Woodbury County
County Seat:: Yes
Area (mi²):: 58.878
State:: Iowa

Sioux City is a city located in Woodbury County, Iowa. Sioux City has a 2025 population of 85,694. It is also the county seat of Woodbury County. Sioux City is currently declining at a rate of -0.02% annually and its population has decreased by -0.1% since the most recent census, which recorded a population of 85,776 in 2020.

The average household income in Sioux City is $83,900 with a poverty rate of 14.63%.The median age in Sioux City is 35.4 years: 34.3 years for males, and 36.6 years for females.

Demographics

The racial composition of Sioux City includes 70.2% White, 5.51% Black or African American, 4.37% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	60,124	70.2%
Two or more races	12,583	14.69%
Black or African American	4,716	5.51%
Other race	3,745	4.37%
Asian	2,404	2.81%
Native American	1,657	1.93%
Native Hawaiian or Pacific Islander	422	0.49%

Sioux City Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sioux City's average per capita income is $45,023. Household income levels show a median of $65,473. The poverty rate stands at 14.63%.

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	$103,128	$119,444
Families	$82,847	$99,963
Households	$65,473	$83,900
Non Families	$37,518	$49,800

$45,023

Average Income

$65,473

Median Household Income

14.63%

Poverty Rate