Sioux City, IA population age distributions
A complete breakdown of Sioux City's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 6,009 | 7.03% |
| 5 to 9 years | 6,322 | 7.4% |
| 10 to 14 years | 6,193 | 7.25% |
| 15 to 19 years | 6,773 | 7.92% |
| 20 to 24 years | 6,676 | 7.81% |
| 25 to 29 years | 5,374 | 6.29% |
| 30 to 34 years | 5,585 | 6.53% |
| 35 to 39 years | 5,202 | 6.09% |
| 40 to 44 years | 5,348 | 6.26% |
| 45 to 49 years | 5,539 | 6.48% |
| 50 to 54 years | 4,630 | 5.42% |
| 55 to 59 years | 4,893 | 5.72% |
| 60 to 64 years | 4,816 | 5.63% |
| 65 to 69 years | 4,485 | 5.25% |
| 70 to 74 years | 2,723 | 3.19% |
| 75 to 79 years | 1,874 | 2.19% |
| 80 to 84 years | 1,687 | 1.97% |
| 85 years and over | 1,340 | 1.57% |
TABLE OF CONTENTS
Sioux City, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Sioux City, IA population by age group.
The largest age group is 15 to 19 years with a population of 6,773 (7.92% of the total population).
The largest age group in Sioux City, IA was for the group of age 15 to 19 years with a population of 6,773 (7.92%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Sioux City, IA was the 85 years and over with a population of 1,340 (1.57%).
Sioux City, IA population by age cohort
To better understand the age distribution of Sioux City, IA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Sioux City, IA population by age cohort
The largest age group was 18 to 64 years with a population of 51,018 (59.69% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Sioux City 's population under 18 was 26.14%, compared to the 22.11% nationwide.
- Sioux City's working population (between 18 and 64) was 59.69%, compared to 61.36% nationwide.
- Sioux City's elderly or the senior population (over 65 age) was 14.17% as compared to 16.53% nationwide.
Sioux City, IA population pyramid
Population pyramid for Sioux City, IA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Sioux City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Sioux City, IA, is 33.8.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Sioux City, IA, is 22.1.
- Total dependency ratio for Sioux City, IA is 55.9.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Sioux City, IA is 4.5.
FIGURE 3
Sioux City, IA population pyramid
Sioux City population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Sioux City, IA population pyramid
Here's the Sioux City, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 3,219 | 2,790 | 6,009 |
| 5 to 9 years | 3,121 | 3,201 | 6,322 |
| 10 to 14 years | 3,150 | 3,043 | 6,193 |
| 15 to 19 years | 3,438 | 3,335 | 6,773 |
| 20 to 24 years | 3,411 | 3,265 | 6,676 |
| 25 to 29 years | 2,777 | 2,597 | 5,374 |
| 30 to 34 years | 3,005 | 2,580 | 5,585 |
| 35 to 39 years | 2,552 | 2,650 | 5,202 |
| 40 to 44 years | 2,771 | 2,577 | 5,348 |
| 45 to 49 years | 2,643 | 2,896 | 5,539 |
| 50 to 54 years | 2,489 | 2,141 | 4,630 |
| 55 to 59 years | 2,386 | 2,507 | 4,893 |
| 60 to 64 years | 2,553 | 2,263 | 4,816 |
| 65 to 69 years | 2,181 | 2,304 | 4,485 |
| 70 to 74 years | 1,184 | 1,539 | 2,723 |
| 75 to 79 years | 793 | 1,081 | 1,874 |
| 80 to 84 years | 597 | 1,090 | 1,687 |
| 85 years and over | 424 | 916 | 1,340 |
Things to know
What is the population of Sioux City, IA under 18?
Sioux City's population under the age of 18 is 22,342, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.14% of the total resident population of Sioux City, IA.
What is the aging population in Sioux City, IA?
Sioux City's population aged 65 years and above was 12,109. As per the U.S. Census Bureau's American Community Survey, this population is 14.17% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates