Sioux County, IA population age distributions
A complete breakdown of Sioux County'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 | 2,529 | 7.06% |
| 5 to 9 years | 2,625 | 7.33% |
| 10 to 14 years | 2,810 | 7.85% |
| 15 to 19 years | 3,285 | 9.17% |
| 20 to 24 years | 3,210 | 8.96% |
| 25 to 29 years | 1,881 | 5.25% |
| 30 to 34 years | 1,844 | 5.15% |
| 35 to 39 years | 2,037 | 5.69% |
| 40 to 44 years | 2,279 | 6.36% |
| 45 to 49 years | 1,615 | 4.51% |
| 50 to 54 years | 1,801 | 5.03% |
| 55 to 59 years | 2,019 | 5.64% |
| 60 to 64 years | 2,118 | 5.91% |
| 65 to 69 years | 1,698 | 4.74% |
| 70 to 74 years | 1,295 | 3.62% |
| 75 to 79 years | 1,109 | 3.1% |
| 80 to 84 years | 884 | 2.47% |
| 85 years and over | 776 | 2.17% |
TABLE OF CONTENTS
Sioux County, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Sioux County, IA population by age group.
The largest age group is 15 to 19 years with a population of 3,285 (9.17% of the total population).
The largest age group in Sioux County, IA was for the group of age 15 to 19 years with a population of 3,285 (9.17%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Sioux County, IA was the 85 years and over with a population of 776 (2.17%).
Sioux County, IA population by age cohort
To better understand the age distribution of Sioux County, 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 County, IA population by age cohort
The largest age group was 18 to 64 years with a population of 20,407 (56.98% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Sioux County 's population under 18 was 26.93%, compared to the 22.11% nationwide.
- Sioux County's working population (between 18 and 64) was 56.98%, compared to 61.36% nationwide.
- Sioux County's elderly or the senior population (over 65 age) was 16.09% as compared to 16.53% nationwide.
Sioux County, IA population pyramid
Population pyramid for Sioux County, 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 County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Sioux County, IA, is 36.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Sioux County, IA, is 26.1.
- Total dependency ratio for Sioux County, IA is 62.1.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Sioux County, IA is 3.8.
FIGURE 3
Sioux County, IA population pyramid
Sioux County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Sioux County, IA population pyramid
Here's the Sioux County, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1,314 | 1,215 | 2,529 |
| 5 to 9 years | 1,381 | 1,244 | 2,625 |
| 10 to 14 years | 1,391 | 1,419 | 2,810 |
| 15 to 19 years | 1,736 | 1,549 | 3,285 |
| 20 to 24 years | 1,612 | 1,598 | 3,210 |
| 25 to 29 years | 1,005 | 876 | 1,881 |
| 30 to 34 years | 935 | 909 | 1,844 |
| 35 to 39 years | 1,123 | 914 | 2,037 |
| 40 to 44 years | 1,185 | 1,094 | 2,279 |
| 45 to 49 years | 809 | 806 | 1,615 |
| 50 to 54 years | 960 | 841 | 1,801 |
| 55 to 59 years | 996 | 1,023 | 2,019 |
| 60 to 64 years | 1,115 | 1,003 | 2,118 |
| 65 to 69 years | 873 | 825 | 1,698 |
| 70 to 74 years | 639 | 656 | 1,295 |
| 75 to 79 years | 414 | 695 | 1,109 |
| 80 to 84 years | 333 | 551 | 884 |
| 85 years and over | 319 | 457 | 776 |
Things to know
What is the population of Sioux County, IA under 18?
Sioux County's population under the age of 18 is 9,646, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 26.93% of the total resident population of Sioux County, IA.
What is the aging population in Sioux County, IA?
Sioux County's population aged 65 years and above was 5,762. As per the U.S. Census Bureau's American Community Survey, this population is 16.09% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates