Armagh is located in Indiana County, Pennsylvania. Armagh has a 2025 population of 4,060 . Armagh is currently growing at a rate of 0.17% annually and its population has increased by 1.05% since the most recent census, which recorded a population of 4,018 in 2020.
The average household income in Armagh is $78,654 with a poverty rate of 24.46%. The median age in Armagh is 36.3 years: 42.2 years for males, and 32.9 years for females. For every 100 females there are 96.3 males.
Data after 2023 is projected based on recent change
The racial composition of Armagh includes 93.17% White, and smaller percentages for other race and multiracial populations.
White (93.17%)
Two or more races (4.77%)
Other race (2.06%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,752 | 93.17% |
| Two or more races | 192 | 4.77% |
| Other race | 83 | 2.06% |
Married
Widowed
Divorced
Separated
Never Married
Armagh's average per capita income is $50,244. Household income levels show a median of $71,910. The poverty rate stands at 24.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,833 | - |
| Families | $77,250 | $85,241 |
| Households | $71,910 | $78,654 |
| Non Families | $47,634 | $51,156 |
Average Income
Median Household Income
Poverty Rate