Lyman County, SD population age distribution
A complete breakdown of Lyman 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 | 323 | 8.62% |
5 to 9 years | 310 | 8.28% |
10 to 14 years | 299 | 7.98% |
15 to 19 years | 274 | 7.31% |
20 to 24 years | 244 | 6.51% |
25 to 29 years | 203 | 5.42% |
30 to 34 years | 218 | 5.82% |
35 to 39 years | 234 | 6.25% |
40 to 44 years | 182 | 4.86% |
45 to 49 years | 162 | 4.32% |
50 to 54 years | 180 | 4.81% |
55 to 59 years | 203 | 5.42% |
60 to 64 years | 322 | 8.6% |
65 to 69 years | 213 | 5.69% |
70 to 74 years | 126 | 3.36% |
75 to 79 years | 104 | 2.78% |
80 to 84 years | 68 | 1.82% |
85 years and over | 81 | 2.16% |
TABLE OF CONTENTS
Lyman County, SD population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
The largest age group in Lyman County, SD was for the group of age 0-4 years with a population of 323 (8.62%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Lyman County, SD was the 80-84 years with a population of 68 (1.82%).
Lyman County, SD population by age cohort
To better understand the age distribution of Lyman 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
Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 1,115 | 29.77% |
18 to 64 years | 2,039 | 54.43% |
85 years and over | 592 | 15.8% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Lyman County's population under 18 was 29.77%, compared to the 22.51% nationwide.
- Lyman County's working population (between 18 and 64) was 54.43%, compared to 61.45% nationwide.
- Lyman County's elderly or the senior population (over 65 age) was 15.80% as compared to 16.04% nationwide.
Lyman County, SD population pyramid
Population pyramid for Lyman 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 Lyman County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Lyman County, SD, is 41.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Lyman County, SD, is 26.6.
- Total dependency ratio for Lyman County, SD is 68.6.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Lyman County, SD is 3.8.
Here's the Lyman County, SD's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 193 | 130 | 323 |
5 to 9 years | 159 | 151 | 310 |
10 to 14 years | 157 | 142 | 299 |
15 to 19 years | 143 | 131 | 274 |
20 to 24 years | 136 | 108 | 244 |
25 to 29 years | 125 | 78 | 203 |
30 to 34 years | 105 | 113 | 218 |
35 to 39 years | 94 | 140 | 234 |
40 to 44 years | 111 | 71 | 182 |
45 to 49 years | 112 | 50 | 162 |
50 to 54 years | 90 | 90 | 180 |
55 to 59 years | 86 | 117 | 203 |
60 to 64 years | 190 | 132 | 322 |
65 to 69 years | 134 | 79 | 213 |
70 to 74 years | 51 | 75 | 126 |
75 to 79 years | 56 | 48 | 104 |
80 to 84 years | 35 | 33 | 68 |
85 years and over | 15 | 66 | 81 |
Things to know
What is the population of Lyman County, SD under 18?
Lyman County's population under the age of 18 is 1,115, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 29.77% of the total resident population of Lyman County, SD.
What is the aging population in Lyman County, SD?
Lyman County's population aged 65 years and above was 592. As per the U.S. Census Bureau's American Community Survey, this population is 15.80% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates