Sioux City, IA Population

Overview

85,081

Total Population

34.8

Median age

50.04%

Female population %

99.8:100

Gender ratio (M:F)

15-19 years

Largest age group

56.4

Total dependency ratio

White

Largest racial group

17,824

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Sioux City's population is young compared to the rest of the country:

The median age in Sioux City is 34.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Sioux City's population under 18 was 26.53%, compared to the 22.51% nationwide.
Sioux City's elderly or the senior population (over 65 age) was 13.88% as compared to 16.04% nationwide.
Of the total population in Sioux City, 22.18% were under the age of 15, 21.61% aged 15 to 29, 42.34% aged 30 to 64, 12.30% aged 65 to 84, and 1.58% were 85 years of age and older.

There are 65 more females than males in Sioux City:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.04% females and 49.96% males in Sioux City, IA.
The Sioux City, IA gender ratio is 99.8:100 i.e. 99.8 men to 100 women (0.998).
For male population, the largest age group is 20-24 years with a population of 3,433.
For the female population, the largest age group is 15-19 years with a population of 3,338.

Sioux City's population has become increasingly diverse:

Racial distribution of Sioux City population: 76.29% are White, 4.84% are Black or African American, 2.19% are American Indian and Alaska Native, 2.91% are Asian, 0.57% are Native Hawaiian and other Pacific Islander, 3.10% are some other race and 10.11% are multiracial.
Sioux City's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 17,824 is Hispanic or Latino (of any race), and 67,257 (79.05% of the total population) is Non-Hispanic.
The largest racial group in Sioux City is White with a population of 64,906 (76.29% of the total population).

Sioux City's population has already reached its peak and is showing a trend of decline:

The peak population was 85,833 in the year 2021
From 2000 to 2010, Sioux City's population decreased by 2,181 (2.56%), as compared to the national growth of 9.63%.
From 2010 to 2020, Sioux City's population increased by 2,907 (3.51%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Sioux City's population was lowest in year 2017 at 82,216.