Overview
3,997
Total Population
43.5
Median age
51.06%
Female population %
95.8:100
Gender ratio (M:F)
45-49 years
Largest age group
57.7
Total dependency ratio
White
Largest racial group
203
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Armagh township's population is old compared to the rest of the country:
- The median age in Armagh township is 43.5, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Armagh township's population under 18 was 19.74%, compared to the 22.51% nationwide.
- Armagh township's elderly or the senior population (over 65 age) was 19.26% as compared to 16.04% nationwide.
- Of the total population in Armagh township, 17.31% were under the age of 15, 19.24% aged 15 to 29, 44.18% aged 30 to 64, 17.41% aged 65 to 84, and 1.85% were 85 years of age and older.

Read more about Armagh Township, Pennsylvania population by age ➔
Gender
There are 85 more females than males in Armagh township:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.06% females and 48.94% males in Armagh Township, Pennsylvania.
- The Armagh Township, Pennsylvania gender ratio is 95.8:100 i.e. 95.8 men to 100 women (0.958).
- For male population, the largest age group is 50-54 years with a population of 238.
- For the female population, the largest age group is 45-49 years with a population of 219.

Read more about Armagh Township, Pennsylvania population by gender ➔
Race / Ethnicity
Armagh township's population is moderately diverse:
- Racial distribution of Armagh township population: 96.17% are White, 1.25% are some other race and 2.58% are multiracial.
- Armagh township's racial breakdown clearly shows that there is an absolute majority of White population in the township.
- By ethnicity, 203 is Hispanic or Latino (of any race), and 3,794 (94.92% of the total population) is Non-Hispanic.
- The largest racial group in Armagh township is White with a population of 3,844 (96.17% of the total population).

Read more about Armagh Township, Pennsylvania population by race ➔
Year by year
Armagh township's population has already reached its peak and is showing a trend of decline:
- The peak population was 4,026 in the year 2021
- From 2000 to 2010, Armagh township's population decreased by 136 (3.40%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Armagh township's population increased by 161 (4.17%), 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, Armagh township's population was lowest in year 2019 at 3,799.

Read more about Armagh 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)