Piatt County, IL population age distributions
A complete breakdown of Piatt 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 | 929 | 5.56% |
| 5 to 9 years | 1,173 | 7.02% |
| 10 to 14 years | 894 | 5.35% |
| 15 to 19 years | 1,004 | 6.01% |
| 20 to 24 years | 858 | 5.14% |
| 25 to 29 years | 861 | 5.16% |
| 30 to 34 years | 991 | 5.93% |
| 35 to 39 years | 1,201 | 7.19% |
| 40 to 44 years | 891 | 5.34% |
| 45 to 49 years | 994 | 5.95% |
| 50 to 54 years | 1,000 | 5.99% |
| 55 to 59 years | 1,209 | 7.24% |
| 60 to 64 years | 1,310 | 7.85% |
| 65 to 69 years | 895 | 5.36% |
| 70 to 74 years | 1,043 | 6.25% |
| 75 to 79 years | 554 | 3.32% |
| 80 to 84 years | 367 | 2.2% |
| 85 years and over | 524 | 3.14% |
TABLE OF CONTENTS
Piatt County, IL population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Piatt County, IL population by age group.
The largest age group is 60 to 64 years with a population of 1,310 (7.85% of the total population).
The largest age group in Piatt County, IL was for the group of age 60 to 64 years with a population of 1,310 (7.85%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Piatt County, IL was the 80 to 84 years with a population of 367 (2.20%).
Piatt County, IL population by age cohort
To better understand the age distribution of Piatt County, IL'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
Piatt County, IL population by age cohort
The largest age group was 18 to 64 years with a population of 9,646 (57.77% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Piatt County 's population under 18 was 21.97%, compared to the 22.11% nationwide.
- Piatt County's working population (between 18 and 64) was 57.77%, compared to 61.36% nationwide.
- Piatt County's elderly or the senior population (over 65 age) was 20.26% as compared to 16.53% nationwide.
Piatt County, IL population pyramid
Population pyramid for Piatt County, IL 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 Piatt County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Piatt County, IL, is 29.0.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Piatt County, IL, is 32.8.
- Total dependency ratio for Piatt County, IL is 61.8.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Piatt County, IL is 3.1.
FIGURE 3
Piatt County, IL population pyramid
Piatt County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Piatt County, IL population pyramid
Here's the Piatt County, IL's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 448 | 481 | 929 |
| 5 to 9 years | 637 | 536 | 1,173 |
| 10 to 14 years | 365 | 529 | 894 |
| 15 to 19 years | 527 | 477 | 1,004 |
| 20 to 24 years | 440 | 418 | 858 |
| 25 to 29 years | 444 | 417 | 861 |
| 30 to 34 years | 516 | 475 | 991 |
| 35 to 39 years | 612 | 589 | 1,201 |
| 40 to 44 years | 438 | 453 | 891 |
| 45 to 49 years | 508 | 486 | 994 |
| 50 to 54 years | 496 | 504 | 1,000 |
| 55 to 59 years | 591 | 618 | 1,209 |
| 60 to 64 years | 646 | 664 | 1,310 |
| 65 to 69 years | 404 | 491 | 895 |
| 70 to 74 years | 545 | 498 | 1,043 |
| 75 to 79 years | 263 | 291 | 554 |
| 80 to 84 years | 93 | 274 | 367 |
| 85 years and over | 254 | 270 | 524 |
Things to know
What is the population of Piatt County, IL under 18?
Piatt County's population under the age of 18 is 3,669, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.97% of the total resident population of Piatt County, IL.
What is the aging population in Piatt County, IL?
Piatt County's population aged 65 years and above was 3,383. As per the U.S. Census Bureau's American Community Survey, this population is 20.26% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates