Overview
          456
                  Total Population
                51.5
                  Median age
                48.25%
                  Female population %
                107.3:100
                  Gender ratio (M:F)
                65-69 years
                  Largest age group
                62.9
                  Total dependency ratio
                White
                  Largest racial group
                13
                  Hispanic population
                Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Chatham township's population is old compared to the rest of the country:
- The median age in Chatham township is 51.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
 - Chatham township's population under 18 was 14.04%, compared to the 22.51% nationwide.
 - Chatham township's elderly or the senior population (over 65 age) was 31.58% as compared to 16.04% nationwide.
 - Of the total population in Chatham township, 7.02% were under the age of 15, 16.67% aged 15 to 29, 44.74% aged 30 to 64, 30.92% aged 65 to 84, and 0.66% were 85 years of age and older.
 
Read more about Chatham Township, Pennsylvania population by age ➔
Gender
There are 16 less females than males in Chatham township:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.25% females and 51.75% males in Chatham Township, Pennsylvania.
 - The Chatham Township, Pennsylvania gender ratio is 107.3:100 i.e. 107.3 men to 100 women (1.073).
 - For male population, the largest age group is 65-69 years with a population of 34.
 - For the female population, the largest age group is 15-19 years with a population of 27.
 
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Race / Ethnicity
Chatham township's population is moderately diverse:
- Racial distribution of Chatham township population: 97.15% are White, 2.41% are some other race and 0.44% are multiracial.
 - Chatham township's racial breakdown clearly shows that there is an absolute majority of White population in the township.
 - By ethnicity, 13 is Hispanic or Latino (of any race), and 443 (97.15% of the total population) is Non-Hispanic.
 - The largest racial group in Chatham township is White with a population of 443 (97.15% of the total population).
 
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Year by year
Chatham township's population has already reached its peak and is showing a trend of decline:
- The peak population was 620 in the year 2007
 - From 2000 to 2010, Chatham township's population increased by 12 (2.05%), as compared to the national growth of 9.63%.
 - From 2010 to 2020, Chatham township's population increased by 9 (1.51%), 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, Chatham township's population was lowest in year 2019 at 583.
 
Read more about Chatham Township, Pennsylvania 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)