Sioux City, Iowa Population 2024

85,710

Sioux City is a city located in Plymouth County and Woodbury County Iowa. Sioux City has a 2024 population of 85,710. 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 -0.08% since the most recent census, which recorded a population of 85,776 in 2020.

The average household income in Sioux City is $81,401 with a poverty rate of 14.8%. The median age in Sioux City is 34.8 years: 33.8 years for males, and 36 years for females.

Sioux City Demographics

According to the most recent ACS, the racial composition of Sioux City was:

  • White: 72.81%
  • Two or more races: 12.74%
  • Black or African American: 5.21%
  • Other race: 3.94%
  • Asian: 2.6%
  • Native American: 2.02%
  • Native Hawaiian or Pacific Islander: 0.69%
State
Iowa
Land Area (mi²)
58.9 sq mi
Density (mi²)
1,455.70/sq mi
Growth Since 2020
-0.08% (-66)
The current population of Sioux City, Iowa is 85,710 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 85,776.

Population by Race

Race
Population
Percentage (of total)
White62,23172.81%
Two or more races10,88512.74%
Black or African American4,4525.21%
Other race3,3653.94%
Asian2,2182.6%
Native American1,7292.02%
Native Hawaiian or Pacific Islander5890.69%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Sioux City Population by Race

Sioux City Population Pyramid 2024

Sioux City Median Age

34.8

Total

33.8

Male

36

Female

Sioux City Adults

There are 63,127 adults, (12,109 of whom are seniors) in Sioux City.

Sioux City Age Dependency

67.5

Age Dependency Ratio

23.7

Old Age Dependency Ratio

43.8

Child Dependency Ratio

Sioux City Sex Ratio

Female42,77550.05%
Male42,69449.95%

Sioux City Population by Age

Sioux City Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All32,4492.5565.434.6
Married13,5853.3584.215.8
Non Family12,2301.2853.646.4
Female4,7183.2548.651.4
Male1,9163.314951

3.21

Average Family Size

2.55

Average Household Size

65.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Sioux City Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3,9427.37%
Associates Degree5,61610.5%
Bachelors Degree7,80314.59%
Graduate Degree4,2587.96%
High School Graduate17,42032.56%
Less Than 9th Grade3,8197.14%
Some College10,63819.89%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Sioux City Educational Attainment by Sex (over 25)

Sioux City Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White38,32936,20810,509
Hispanic8,4314,549523
2+ Races4,1472,870476
Black2,5541,923374
Other Race1,933825219
Asian1,660952216
Native American93169062
Islander3662470

The highest rate of high school graduation is among white people with a rate of 94.47%.

The highest rate of bachelors degrees is among white people with a rate of 27.42%.

Sioux City Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$56,202$69,280$48,925
Graduate Degree$79,766$88,125$77,517
High School Graduate$35,543$41,269$28,978
Less Than 9th Grade$37,655$43,453$29,290
Overall$42,898$49,064$37,093
Some College$42,268$52,433$34,606

$42,898

Average Earnings

$49,064

Average Male

$37,093

Average Female

Sioux City Earnings by Educational Attainment

Sioux City Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Sioux City Language

78.35% of Sioux City residents speak only English, while 21.65% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 15.87% of the population.

Sioux City Language

Sioux City Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White52,7695,89711.18%
Hispanic17,9303,23418.04%
Multiple10,6302,12519.99%
Black4,3041,22228.39%
Native1,69693455.07%
Other3,28655216.8%
Asian2,1161507.09%
Islander57512221.22%

14.8%

Overall Poverty Rate

13.24%

Male Poverty Rate

16.35%

Female Poverty Rate

Poverty in Sioux City

The race most likely to be in poverty in Sioux City is Native, with 55.07% below the poverty level.

The race least likely to be in poverty in Sioux City is Asian, with 7.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.49%. Among those working part-time, it was 21.35%, and for those that did not work, the poverty rate was 25.03%.

Sioux City Poverty

rate

Rate
Poverty
Less Than 9th Grade19.08%
High School14.59%
Some College11.12%
Bachelors or Greater6.08%

Sioux City Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed32.26%
Male Unemployed19.82%
Female Employed9.72%
Male Employed5.5%

Sioux City Poverty Rate by Employment Status and Sex

Sioux City Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$81,639$96,359
Households$64,250$81,401
Married Families$101,539$115,811
Non Families$35,474$49,124

mean

median

Income by Household Type

Sioux City Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

44.1%

Overall Marriage Rate

45.2%

Male Marriage Rate

43.1%

Female Marriage Rate

Sioux City Married by Age and Sex

male

female

Sioux City Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Sioux City Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Sioux City Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,775

Number of Veterans

3,559

Male Veterans

216

Female Veterans

War
Veterans
Vietnam1,387
Second Gulf War770
First Gulf War746
Korea230
World War II56

Sioux City Veterans by War

count

Age Group
Veterans
65 to 74986
35 to 54922
75+853
55 to 64712
18 to 34302

Sioux City Veterans by Age

count

Name
Veterans
% of Total
White3,3830.07040143175244001
Hispanic2220.02026841961106546
Black1110.03488372093023256
Native American940.08103448275862069
2+ Races750.013220518244315178
Other Race740.02868217054263566
Asian380.020485175202156335

Sioux City Veterans by Race

Sioux City Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.7%

Veteran Poverty Rate

30.52%

Veteran Disability Rate

Sioux City Veterans by Education

LaborForceParticipation

68.5%

Labor Force Participation

65.2%

Employment Rate

4.7%

Unemployment Rate

Sioux City Employment by Age

LaborForceParticipation

Sioux City Employment by Race

LaborForceParticipation

Sioux City Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

63.01%

Born in Sioux City

88.76%

Native Born

11.24%

Foreign Born

6.35%

Non Citizen

4.88%

Naturalized

Place of Birth

88.76% of Sioux City residents were born in the United States, with 63.01% having been born in Iowa. 6.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sioux City Place of Birth

Note: data after 2022 is projected based on recent change

34 Rows

Year
Population
Growth
Change
202985,629-16-0.02%
202885,645-16-0.02%
202785,661-17-0.02%
202685,678-16-0.02%
202585,694-16-0.02%
202485,710-17-0.02%
202385,7273250.38%
202285,402-382-0.45%
202185,78480.01%
202085,7763,0863.73%
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%
201082,85500%
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%
18703,401-82,228-96.03%

Sioux City Population by Year