The Town FilesArmagh, Pennsylvania
Township in Mifflin County · population 4,018 (2020 Census)
- Median home
- $140,800
- Household income
- $74,278
- Jan low / Jul high
- 15° / 84°
- Snow a year
- 35 in
- Tornadoes ≤10 mi since 1950
- 4
- Median age
- 40.1
Armagh is a township of 4,018 people in Mifflin County, Pennsylvania. The median home is worth $140,800, below the typical Pennsylvania town ($214,250). It ranks better for a vacation home than 89% of Pennsylvania towns, more of a college town than 83% of Pennsylvania towns.
How Armagh ranks
Percentile among Pennsylvania towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Pennsylvania towns.
Homes and cost of living
The median home in Armagh is worth $140,800, below the typical Pennsylvania town ($214,250). Homes cost about 1.9 times the median household income of $74,278, which is more affordable than 91% of Pennsylvania towns. Median rent is $839 a month. 81.9% of households own their home.
| Housing | Armagh | Typical Pennsylvania town |
|---|---|---|
| Median home value | $140,800 | $214,250 |
| Median rent | $839 | $996 |
| Median household income | $74,278 | $75,278 |
| Home value ÷ income | 1.9× | 2.8× |
| Homeownership | 81.9% | 81.5% |
| Median year built | 1969 | 1971 |
| Seasonal / vacation homes | 17.4% | — |
Who lives in Armagh
| People | Armagh | Typical Pennsylvania town |
|---|---|---|
| Median age | 40.1 | 44.2 |
| Age 65 and over | 19.5% | 21.1% |
| Under 18 | 22.5% | — |
| Bachelor's degree or higher | 15.3% | 23.8% |
| Below the poverty line | 21.2% | 8.5% |
| Veterans | 9.8% | — |
| Born outside the U.S. | 0.7% | — |
| Work from home | 0.6% | 10.6% |
| Average commute | 31.1 min | 25.9 min |
| Homes with broadband | 77.8% | 89.0% |
Weather in Armagh
July highs average 84.0°F and January lows 14.6°F. About 42.4 inches of rain and melted snow fall a year, with 35.3 inches of snow (typical Pennsylvania town: 31.8 in). Expect about 11 days a year at 90°F or hotter and 152 nights at or below freezing.
Tornadoes, storms and disasters
4 tornadoes have passed within 10 miles of Armagh since 1950, compared with 10 for the typical Pennsylvania town. 1 rated (E)F2 or stronger. The strongest, an F2, struck on April 9, 1980 about 8.9 miles from the town center. The most recent was on April 20, 2015.
Hail of 1 inch or larger has been reported within 10 miles 6 times; the largest was 1.25 inches on June 9, 2025.
Severe weather in Mifflin County since 1996
Mifflin County has been included in 17 federal disaster or emergency declarations since 1953, most often for flood, hurricane, snowstorm.
| Declared | Incident | Declaration |
|---|---|---|
| March 30, 2020 | Biological | DR-4506: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3441: Covid-19 |
| October 29, 2012 | Hurricane | EM-3356: Hurricane Sandy |
| September 12, 2011 | Flood | DR-4030: Tropical Storm Lee |
| September 8, 2011 | Flood | EM-3340: Remnants Of Tropical Storm Lee |
Jobs and pay in Mifflin County
Mifflin County had 16,979 jobs in 2024, paying an average of $52,273 a year. Unemployment was 3.5% in 2023; in Armagh itself the ACS puts it at 2.8%.
Towns near Armagh
- Decatur, PA5.8 mi · 2,968 people · home $164,100
- Derry, PA9.0 mi · 7,212 people · home $156,100
- Potter, PA9.7 mi · 3,581 people · home $283,200
- Brown, PA10.7 mi · 4,112 people · home $197,600
- Fermanagh, PA11.2 mi · 2,866 people · home $256,800
- Lewistown, PA12.2 mi · 8,579 people · home $98,500
- Fayette, PA13.3 mi · 3,340 people · home $202,100
- Granville, PA14.4 mi · 4,629 people · home $160,000
Armagh questions
Is Armagh, Pennsylvania a good place to retire?
On The Town Files lifestyle rankings, Armagh scores better for retirees than 25% of Pennsylvania towns and quieter than 48%. 19.5% of residents are 65 or older (median age 40.1).
How much does a house cost in Armagh?
The median owner-occupied home in Armagh is valued at $140,800 (Census ACS 2020–2024), against a median household income of $74,278, so homes cost about 1.9 times income. Median rent is $839 a month.
What is the weather like in Armagh?
July highs average 84.0°F and January lows 14.6°F (NOAA 1991–2020 normals). It gets about 42.4 inches of precipitation a year and 35.3 inches of snow.
Does Armagh get tornadoes?
4 tornadoes have passed within 10 miles of Armagh since 1950 (NOAA Storm Events); the strongest was a F2 on April 9, 1980. The typical Pennsylvania town has had 10.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)