Chemung County, NY population age distribution
A complete breakdown of Chemung 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 | 4,593 | 5.44% |
5 to 9 years | 4,650 | 5.51% |
10 to 14 years | 5,606 | 6.64% |
15 to 19 years | 5,155 | 6.1% |
20 to 24 years | 4,840 | 5.73% |
25 to 29 years | 5,236 | 6.2% |
30 to 34 years | 5,465 | 6.47% |
35 to 39 years | 5,049 | 5.98% |
40 to 44 years | 4,849 | 5.74% |
45 to 49 years | 4,913 | 5.82% |
50 to 54 years | 5,685 | 6.73% |
55 to 59 years | 6,696 | 7.93% |
60 to 64 years | 5,823 | 6.89% |
65 to 69 years | 5,517 | 6.53% |
70 to 74 years | 3,685 | 4.36% |
75 to 79 years | 2,273 | 2.69% |
80 to 84 years | 1,746 | 2.07% |
85 years and over | 2,675 | 3.17% |
TABLE OF CONTENTS
Chemung County, NY population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Chemung County, NY was for the group of age 55-59 years with a population of 6,696 (7.93%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Chemung County, NY was the 80-84 years with a population of 1,746 (2.07%).
Chemung County, NY population by age cohort
To better understand the age distribution of Chemung 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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 18,089 | 21.42% |
18 to 64 years | 50,471 | 59.76% |
85 years and over | 15,896 | 18.82% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Chemung County's population under 18 was 21.42%, compared to the 22.51% nationwide.
- Chemung County's working population (between 18 and 64) was 59.76%, compared to 61.45% nationwide.
- Chemung County's elderly or the senior population (over 65 age) was 18.82% as compared to 16.04% nationwide.
Chemung County, NY population pyramid
Population pyramid for Chemung 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 Chemung County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Chemung County, NY, is 27.6.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Chemung County, NY, is 29.6.
- Total dependency ratio for Chemung County, NY is 57.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Chemung County, NY is 3.4.

Here's the Chemung County, NY's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 2,328 | 2,265 | 4,593 |
5 to 9 years | 2,534 | 2,116 | 4,650 |
10 to 14 years | 2,656 | 2,950 | 5,606 |
15 to 19 years | 2,524 | 2,631 | 5,155 |
20 to 24 years | 2,447 | 2,393 | 4,840 |
25 to 29 years | 2,923 | 2,313 | 5,236 |
30 to 34 years | 2,965 | 2,500 | 5,465 |
35 to 39 years | 2,844 | 2,205 | 5,049 |
40 to 44 years | 2,326 | 2,523 | 4,849 |
45 to 49 years | 2,548 | 2,365 | 4,913 |
50 to 54 years | 2,783 | 2,902 | 5,685 |
55 to 59 years | 3,221 | 3,475 | 6,696 |
60 to 64 years | 2,955 | 2,868 | 5,823 |
65 to 69 years | 2,646 | 2,871 | 5,517 |
70 to 74 years | 1,739 | 1,946 | 3,685 |
75 to 79 years | 1,026 | 1,247 | 2,273 |
80 to 84 years | 795 | 951 | 1,746 |
85 years and over | 916 | 1,759 | 2,675 |
Things to know
What is the population of Chemung County, NY under 18?
Chemung County's population under the age of 18 is 18,089, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 21.42% of the total resident population of Chemung County, NY.
What is the aging population in Chemung County, NY?
Chemung County's population aged 65 years and above was 15,896. As per the U.S. Census Bureau's American Community Survey, this population is 18.82% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates