Overview
5,068
Total Population
56.4
Median age
49.45%
Female population %
102.2:100
Gender ratio (M:F)
65-69 years
Largest age group
73.4
Total dependency ratio
White
Largest racial group
94
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Hamilton County's population is old compared to the rest of the country:
- The median age in Hamilton County is 56.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Hamilton County's population under 18 was 13.99%, compared to the 22.51% nationwide.
- Hamilton County's elderly or the senior population (over 65 age) was 31.27% as compared to 16.04% nationwide.
- Of the total population in Hamilton County, 11.05% were under the age of 15, 12.69% aged 15 to 29, 44.99% aged 30 to 64, 28.71% aged 65 to 84, and 2.57% were 85 years of age and older.

Read more about Hamilton County, NY population by age ➔
Gender
There are 56 less females than males in Hamilton County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.45% females and 50.55% males in Hamilton County, NY.
- The Hamilton County, NY gender ratio is 102.2:100 i.e. 102.2 men to 100 women (1.022).
- For male population, the largest age group is 65-69 years with a population of 303.
- For the female population, the largest age group is 65-69 years with a population of 306.

Read more about Hamilton County, NY population by gender ➔
Race / Ethnicity
Hamilton County's population has become increasingly diverse:
- Racial distribution of Hamilton County population: 93.21% are White, 0.99% are Black or African American, 0.18% are American Indian and Alaska Native, 0.43% are Asian, 0.47% are some other race and 4.72% are multiracial.
- Hamilton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 94 is Hispanic or Latino (of any race), and 4,974 (98.15% of the total population) is Non-Hispanic.
- The largest racial group in Hamilton County is White with a population of 4,724 (93.21% of the total population).

Read more about Hamilton County, NY population by race ➔
Year by year
Hamilton County's population has already reached its peak and is showing a trend of decline:
- The peak population was 5,378 in the year 2000
- From 2000 to 2010, Hamilton County's population decreased by 526 (9.78%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Hamilton County's population increased by 221 (4.55%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
- Between the year 2000 and 2022, Hamilton County's population was lowest in year 2019 at 4,438.

Read more about Hamilton County, NY population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)