Sioux City Flag

Sioux City

County:
Woodbury County
County Seat:
Yes
Area (mi²):
59.387
State:
Iowa

Sioux City is a city located in Woodbury County, Iowa. Sioux City has a 2026 population of 87,368. It is also the county seat of Woodbury County. Sioux City is currently growing at a rate of 0.28% annually and its population has increased by 1.72% since the most recent census, which recorded a population of 85,888 in 2020.

The median household income in Sioux City is $68,906 with a poverty rate of 15.27%. The median age in Sioux City is 34.9 years: 33.7 years for males, and 36 years for females. For every 100 females there are 101.1 males.

87.4K
Total Population
1,471
Density (mi²)
247 0.28%
Growth

Sioux City Population

Sioux City Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202687,3682470.28%
202587,1212460.28%
202486,8755910.68%
202386,2847160.84%
202285,568-336-0.39%
202185,904160.02%
202085,888-6-0.01%
201982,6903820.46%
201882,308920.11%
201782,216-511-0.62%
201682,727240.03%
201582,7031400.17%
201482,563-68-0.08%
201382,631-77-0.09%
201282,708-399-0.48%
201183,1072520.3%
201082,8551710.21%
200085,0134,5085.6%
199080,505-1,498-1.83%
198082,003-3,922-4.56%
197085,925-3,234-3.63%
196089,1595,1686.15%
195083,9911,6271.98%
194082,3643,1814.02%
193079,1837,95611.17%
192071,22723,39948.92%
191047,82814,71744.45%
190033,111-4,695-12.42%
189037,80630,440413.25%
18807,3663,965116.58%
18703,40100%

Median Age

Overall: 34.9 years
Female: 36 years
Male: 33.7 years

Sioux City Adults

There are 63,655 adults, (12,804 of whom are seniors) in Sioux City.

Sex Ratio

Female: 42,825 (49.7%)
Male: 43,276 (50.3%)

Demographics

The racial composition of Sioux City includes 66.66% White, 6.03% Black or African American, 5.51% 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)
White57,39966.66%
Two or more races14,16116.45%
Black or African American5,1936.03%
Other race4,7435.51%
Asian2,0482.38%
Native American1,7822.07%
Native Hawaiian or Pacific Islander7750.9%
Race
Population ↓
Percentage (of total)
Two or more races10,14311.78%
Other race4,5355.27%
White4,2184.9%
Native American4680.54%
Black or African American760.09%
Asian210.02%
Race
Population ↓
Percentage (of total)
White53,18161.77%
Black or African American5,1175.94%
Two or more races4,0184.67%
Asian2,0272.35%
Native American1,3141.53%
Native Hawaiian or Pacific Islander7750.9%
Other race2080.24%

Sioux City Marital Status

Economics and Income Statistics

Sioux City 's average per capita income is $47,353. Household income levels show a median of $68,906. The poverty rate stands at 15.27%.

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$104,635$123,529
Families$83,959$102,011
Households$68,906$86,214
Non Families$39,684$50,856

$47,353

Average Income

$68,906

Median Household Income

15.27%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)