Decatur City, IA population age distributions
A complete breakdown of Decatur 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 | 13 | 8.9% |
| 5 to 9 years | 9 | 6.16% |
| 10 to 14 years | 7 | 4.79% |
| 15 to 19 years | 2 | 1.37% |
| 20 to 24 years | 34 | 23.29% |
| 25 to 29 years | 5 | 3.42% |
| 30 to 34 years | 0 | - |
| 35 to 39 years | 11 | 7.53% |
| 40 to 44 years | 9 | 6.16% |
| 45 to 49 years | 6 | 4.11% |
| 50 to 54 years | 7 | 4.79% |
| 55 to 59 years | 14 | 9.59% |
| 60 to 64 years | 4 | 2.74% |
| 65 to 69 years | 6 | 4.11% |
| 70 to 74 years | 4 | 2.74% |
| 75 to 79 years | 7 | 4.79% |
| 80 to 84 years | 8 | 5.48% |
| 85 years and over | 0 | - |
TABLE OF CONTENTS
Decatur City, IA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Decatur City, IA population by age group.
The largest age group is 20 to 24 years with a population of 34 (23.29% of the total population).
The largest age group in Decatur City, IA was for the group of age 20 to 24 years with a population of 34 (23.29%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Decatur City, IA was the 30 to 34 years with a population of 0 (0%).
Decatur City, IA population by age cohort
To better understand the age distribution of Decatur 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
Decatur City, IA population by age cohort
The largest age group was 18 to 64 years with a population of 91 (62.33% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Decatur City 's population under 18 was 20.55%, compared to the 22.11% nationwide.
- Decatur City's working population (between 18 and 64) was 62.33%, compared to 61.36% nationwide.
- Decatur City's elderly or the senior population (over 65 age) was 17.12% as compared to 16.53% nationwide.
Decatur City, IA population pyramid
Population pyramid for Decatur 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 Decatur City's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Decatur City, IA, is 31.5.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Decatur City, IA, is 27.2.
- Total dependency ratio for Decatur City, IA is 58.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Decatur City, IA is 3.7.
FIGURE 3
Decatur City, IA population pyramid
Decatur City population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Decatur City, IA population pyramid
Here's the Decatur City, IA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1 | 12 | 13 |
| 5 to 9 years | 5 | 4 | 9 |
| 10 to 14 years | 7 | 0 | 7 |
| 15 to 19 years | 1 | 1 | 2 |
| 20 to 24 years | 19 | 15 | 34 |
| 25 to 29 years | 4 | 1 | 5 |
| 30 to 34 years | 0 | 0 | 0 |
| 35 to 39 years | 5 | 6 | 11 |
| 40 to 44 years | 3 | 6 | 9 |
| 45 to 49 years | 2 | 4 | 6 |
| 50 to 54 years | 7 | 0 | 7 |
| 55 to 59 years | 5 | 9 | 14 |
| 60 to 64 years | 0 | 4 | 4 |
| 65 to 69 years | 1 | 5 | 6 |
| 70 to 74 years | 2 | 2 | 4 |
| 75 to 79 years | 2 | 5 | 7 |
| 80 to 84 years | 6 | 2 | 8 |
| 85 years and over | 0 | 0 | 0 |
Things to know
What is the population of Decatur City, IA under 18?
Decatur City's population under the age of 18 is 30, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 20.55% of the total resident population of Decatur City, IA.
What is the aging population in Decatur City, IA?
Decatur City's population aged 65 years and above was 25. As per the U.S. Census Bureau's American Community Survey, this population is 17.12% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates