Sioux City demographics profile

StatisticSioux CityIowaNational
Population density (sq mi)1,4255591
Median age34.338.037.4
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)54%60%55%
Speak English82%93%79%
Speak Spanish14%4%13%

Did you know?

  • The population density in Sioux City is 2514% higher than Iowa.
  • The median age in Sioux City is 10% lower than Iowa.
  • In Sioux City 81.93% of the population is Caucasian.
  • In Sioux City 3.43% of the population is African American.
  • In Sioux City 2.85% of the population is Asian.

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Sioux City population breakdown by race

RaceSioux CityIowaNational
African American3.43%3.11%12.60%
American Indian2.04%0.31%0.82%
Native Hawaiian0.00%0.06%0.17%
Mixed race3.33%1.89%2.91%
Other race6.42%1.30%4.70%
In Sioux City, 17.6% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Sioux City age breakdown

Marital status

Age of children in married couples

Source: The Sioux City, IA demographics data displayed above is derived from the United States Census Bureau.