Yankton County, SD population age distributions
A complete breakdown of Yankton 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 | 1,279 | 5.49% |
| 5 to 9 years | 1,115 | 4.78% |
| 10 to 14 years | 1,692 | 7.26% |
| 15 to 19 years | 1,399 | 6% |
| 20 to 24 years | 1,588 | 6.81% |
| 25 to 29 years | 1,327 | 5.69% |
| 30 to 34 years | 1,309 | 5.62% |
| 35 to 39 years | 1,451 | 6.22% |
| 40 to 44 years | 1,411 | 6.05% |
| 45 to 49 years | 1,289 | 5.53% |
| 50 to 54 years | 1,506 | 6.46% |
| 55 to 59 years | 1,650 | 7.08% |
| 60 to 64 years | 1,654 | 7.1% |
| 65 to 69 years | 1,470 | 6.31% |
| 70 to 74 years | 1,136 | 4.87% |
| 75 to 79 years | 792 | 3.4% |
| 80 to 84 years | 638 | 2.74% |
| 85 years and over | 605 | 2.6% |
TABLE OF CONTENTS
Yankton County, SD population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Yankton County, SD population by age group.
The largest age group is 10 to 14 years with a population of 1,692 (7.26% of the total population).
The largest age group in Yankton County, SD was for the group of age 10 to 14 years with a population of 1,692 (7.26%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Yankton County, SD was the 85 years and over with a population of 605 (2.60%).
Yankton County, SD population by age cohort
To better understand the age distribution of Yankton County, SD'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
Yankton County, SD population by age cohort
The largest age group was 18 to 64 years with a population of 13,712 (58.82% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Yankton County 's population under 18 was 21.27%, compared to the 22.11% nationwide.
- Yankton County's working population (between 18 and 64) was 58.82%, compared to 61.36% nationwide.
- Yankton County's elderly or the senior population (over 65 age) was 19.91% as compared to 16.53% nationwide.
Yankton County, SD population pyramid
Population pyramid for Yankton County, SD 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 Yankton County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Yankton County, SD, is 28.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Yankton County, SD, is 31.8.
- Total dependency ratio for Yankton County, SD is 59.8.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Yankton County, SD is 3.1.
FIGURE 3
Yankton County, SD population pyramid
Yankton County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Yankton County, SD population pyramid
Here's the Yankton County, SD's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 695 | 584 | 1,279 |
| 5 to 9 years | 594 | 521 | 1,115 |
| 10 to 14 years | 791 | 901 | 1,692 |
| 15 to 19 years | 757 | 642 | 1,399 |
| 20 to 24 years | 922 | 666 | 1,588 |
| 25 to 29 years | 792 | 535 | 1,327 |
| 30 to 34 years | 742 | 567 | 1,309 |
| 35 to 39 years | 833 | 618 | 1,451 |
| 40 to 44 years | 750 | 661 | 1,411 |
| 45 to 49 years | 716 | 573 | 1,289 |
| 50 to 54 years | 791 | 715 | 1,506 |
| 55 to 59 years | 868 | 782 | 1,650 |
| 60 to 64 years | 785 | 869 | 1,654 |
| 65 to 69 years | 840 | 630 | 1,470 |
| 70 to 74 years | 448 | 688 | 1,136 |
| 75 to 79 years | 332 | 460 | 792 |
| 80 to 84 years | 274 | 364 | 638 |
| 85 years and over | 202 | 403 | 605 |
Things to know
What is the population of Yankton County, SD under 18?
Yankton County's population under the age of 18 is 4,958, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.27% of the total resident population of Yankton County, SD.
What is the aging population in Yankton County, SD?
Yankton County's population aged 65 years and above was 4,641. As per the U.S. Census Bureau's American Community Survey, this population is 19.91% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates