Ontario County, NY population age distributions
A complete breakdown of Ontario 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 | 5,234 | 4.66% |
| 5 to 9 years | 6,380 | 5.68% |
| 10 to 14 years | 6,154 | 5.48% |
| 15 to 19 years | 7,377 | 6.57% |
| 20 to 24 years | 7,135 | 6.35% |
| 25 to 29 years | 5,982 | 5.33% |
| 30 to 34 years | 6,358 | 5.66% |
| 35 to 39 years | 6,549 | 5.83% |
| 40 to 44 years | 6,140 | 5.47% |
| 45 to 49 years | 6,559 | 5.84% |
| 50 to 54 years | 7,808 | 6.95% |
| 55 to 59 years | 8,193 | 7.3% |
| 60 to 64 years | 8,809 | 7.85% |
| 65 to 69 years | 7,149 | 6.37% |
| 70 to 74 years | 6,746 | 6.01% |
| 75 to 79 years | 4,316 | 3.84% |
| 80 to 84 years | 2,497 | 2.22% |
| 85 years and over | 2,902 | 2.58% |
TABLE OF CONTENTS
Ontario County, NY population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Ontario County, NY population by age group.
The largest age group is 60 to 64 years with a population of 8,809 (7.85% of the total population).
The largest age group in Ontario County, NY was for the group of age 60 to 64 years with a population of 8,809 (7.85%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Ontario County, NY was the 80 to 84 years with a population of 2,497 (2.22%).
Ontario County, NY population by age cohort
To better understand the age distribution of Ontario County, NY'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
Ontario County, NY population by age cohort
The largest age group was 18 to 64 years with a population of 66,777 (59.47% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Ontario County 's population under 18 was 19.50%, compared to the 22.11% nationwide.
- Ontario County's working population (between 18 and 64) was 59.47%, compared to 61.36% nationwide.
- Ontario County's elderly or the senior population (over 65 age) was 21.03% as compared to 16.53% nationwide.
Ontario County, NY population pyramid
Population pyramid for Ontario County, NY 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 Ontario County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Ontario County, NY, is 25.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Ontario County, NY, is 33.3.
- Total dependency ratio for Ontario County, NY is 58.4.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Ontario County, NY is 3.0.
FIGURE 3
Ontario County, NY population pyramid
Ontario County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Ontario County, NY population pyramid
Here's the Ontario County, NY's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 2,548 | 2,686 | 5,234 |
| 5 to 9 years | 3,283 | 3,097 | 6,380 |
| 10 to 14 years | 3,094 | 3,060 | 6,154 |
| 15 to 19 years | 3,812 | 3,565 | 7,377 |
| 20 to 24 years | 3,697 | 3,438 | 7,135 |
| 25 to 29 years | 3,073 | 2,909 | 5,982 |
| 30 to 34 years | 3,257 | 3,101 | 6,358 |
| 35 to 39 years | 3,210 | 3,339 | 6,549 |
| 40 to 44 years | 3,154 | 2,986 | 6,140 |
| 45 to 49 years | 3,263 | 3,296 | 6,559 |
| 50 to 54 years | 3,893 | 3,915 | 7,808 |
| 55 to 59 years | 4,260 | 3,933 | 8,193 |
| 60 to 64 years | 4,097 | 4,712 | 8,809 |
| 65 to 69 years | 3,581 | 3,568 | 7,149 |
| 70 to 74 years | 3,067 | 3,679 | 6,746 |
| 75 to 79 years | 2,102 | 2,214 | 4,316 |
| 80 to 84 years | 841 | 1,656 | 2,497 |
| 85 years and over | 1,051 | 1,851 | 2,902 |
Things to know
What is the population of Ontario County, NY under 18?
Ontario County's population under the age of 18 is 21,901, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 19.50% of the total resident population of Ontario County, NY.
What is the aging population in Ontario County, NY?
Ontario County's population aged 65 years and above was 23,610. As per the U.S. Census Bureau's American Community Survey, this population is 21.03% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates