County · Pennsylvania · United States
Armstrong County ZIP codes
26 ZIP codes · 26 cities · FIPS 42005
Key facts
- State
- Pennsylvania (PA)
- FIPS code
- 42005
- Population
- 65,069
- Median household income
- $64,295
- Median age
- 47.2
- Land area
- 653.3 sq mi (1,692.1 km²)
- Population density
- 100 / sq mi
- Area codes
- 412, 582, 724, 814, 878
Cities and ZIP codes in Armstrong County (26)
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.