Decatur, IN population age distributions
A complete breakdown of Decatur'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 | 762 | 7.8% |
| 5 to 9 years | 365 | 3.74% |
| 10 to 14 years | 472 | 4.83% |
| 15 to 19 years | 484 | 4.95% |
| 20 to 24 years | 714 | 7.31% |
| 25 to 29 years | 613 | 6.27% |
| 30 to 34 years | 561 | 5.74% |
| 35 to 39 years | 508 | 5.2% |
| 40 to 44 years | 591 | 6.05% |
| 45 to 49 years | 639 | 6.54% |
| 50 to 54 years | 727 | 7.44% |
| 55 to 59 years | 683 | 6.99% |
| 60 to 64 years | 799 | 8.18% |
| 65 to 69 years | 739 | 7.56% |
| 70 to 74 years | 367 | 3.76% |
| 75 to 79 years | 135 | 1.38% |
| 80 to 84 years | 208 | 2.13% |
| 85 years and over | 402 | 4.12% |
TABLE OF CONTENTS
Decatur, IN population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2019-2023
FIGURE 1
Decatur, IN population by age group.
The largest age group is 60 to 64 years with a population of 799 (8.18% of the total population).
The largest age group in Decatur, IN was for the group of age 60 to 64 years with a population of 799 (8.18%), according to the 2019-2023 American Community Survey.
At the same time, the smallest age group in Decatur, IN was the 75 to 79 years with a population of 135 (1.38%).
Decatur, IN population by age cohort
To better understand the age distribution of Decatur, IN'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, IN population by age cohort
The largest age group was 18 to 64 years with a population of 6,070 (62.14% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Decatur 's population under 18 was 18.92%, compared to the 22.16% nationwide.
- Decatur's working population (between 18 and 64) was 62.14%, compared to 61% nationwide.
- Decatur's elderly or the senior population (over 65 age) was 18.95% as compared to 16.84% nationwide.
Decatur, IN population pyramid
Population pyramid for Decatur, IN 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's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Decatur, IN, is 25.3.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Decatur, IN, is 29.3.
- Total dependency ratio for Decatur, IN is 54.6.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Decatur, IN is 3.4.
FIGURE 3
Decatur, IN population pyramid
Decatur population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Decatur, IN population pyramid
Here's the Decatur, IN's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 374 | 388 | 762 |
| 5 to 9 years | 195 | 170 | 365 |
| 10 to 14 years | 279 | 193 | 472 |
| 15 to 19 years | 241 | 243 | 484 |
| 20 to 24 years | 338 | 376 | 714 |
| 25 to 29 years | 311 | 302 | 613 |
| 30 to 34 years | 320 | 241 | 561 |
| 35 to 39 years | 240 | 268 | 508 |
| 40 to 44 years | 339 | 252 | 591 |
| 45 to 49 years | 272 | 367 | 639 |
| 50 to 54 years | 402 | 325 | 727 |
| 55 to 59 years | 375 | 308 | 683 |
| 60 to 64 years | 338 | 461 | 799 |
| 65 to 69 years | 322 | 417 | 739 |
| 70 to 74 years | 138 | 229 | 367 |
| 75 to 79 years | 53 | 82 | 135 |
| 80 to 84 years | 77 | 131 | 208 |
| 85 years and over | 140 | 262 | 402 |
Things to know
What is the population of Decatur, IN under 18?
Decatur's population under the age of 18 is 1,848, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 18.92% of the total resident population of Decatur, IN.
What is the aging population in Decatur, IN?
Decatur's population aged 65 years and above was 1,851. As per the U.S. Census Bureau's American Community Survey, this population is 18.95% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates