Overview
          357
                  Total Population
                29.5
                  Median age
                49.58%
                  Female population %
                101.7:100
                  Gender ratio (M:F)
                25-29 years
                  Largest age group
                77.6
                  Total dependency ratio
                White
                  Largest racial group
                7
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Castorland's population is young compared to the rest of the country:
- The median age in Castorland is 29.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Castorland's population under 18 was 34.73%, compared to the 22.51% nationwide.
 - Castorland's elderly or the senior population (over 65 age) was 16.25% as compared to 16.04% nationwide.
 - Of the total population in Castorland, 27.45% were under the age of 15, 24.37% aged 15 to 29, 31.93% aged 30 to 64, 13.45% aged 65 to 84, and 2.80% were 85 years of age and older.
 
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Gender
There are 3 less females than males in Castorland:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.58% females and 50.42% males in Castorland, NY.
 - The Castorland, NY gender ratio is 101.7:100 i.e. 101.7 men to 100 women (1.017).
 - For male population, the largest age group is 25-29 years with a population of 30.
 - For the female population, the largest age group is 15-19 years with a population of 21.
 
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Race / Ethnicity
Castorland's population has become increasingly diverse:
- Racial distribution of Castorland population: 93% are White, 4.48% are Black or African American and 2.52% are multiracial.
 - Castorland's racial breakdown clearly shows that there is an absolute majority of White population in the village.
 - By ethnicity, 7 is Hispanic or Latino (of any race), and 35 (98.04% of the total population) is Non-Hispanic.
 - The largest racial group in Castorland is White with a population of 332 (93% of the total population).
 
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Year by year
Castorland's population has already reached its peak and is showing a trend of decline:
- The peak population was 354 in the year 2000
 - From 2000 to 2010, Castorland's population decreased by 4 (1.13%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Castorland's population decreased by 12 (3.43%), 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, Castorland's population was lowest in year 2008 at 324.
 
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References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
 - U.S. Census Bureau Population Estimates Population Estimates Program (PEP)