Armstrong County
Sign in to savecounty in Pennsylvania, United States
Key facts
- Country
- United States
- State
- Pennsylvania
- Founded
- March 12, 1800
- Named after
- John Armstrong
- Seat
- Kittanning
- Largest borough
- Kittanning
- Total
- 664 sq mi (1,720 km )
- Land
- 653 sq mi (1,690 km )
- Water
- 11 sq mi (28 km ) 1.6%
- Estimate 2025
- 63,698
- Density
- 100/sq mi (38.8/km )
- Time zone
- UTC−5 ( Eastern )
- Summer dst
- UTC−4 ( EDT )
- Congressional district
- 15th
- Website
- www .co .armstrong .pa .us
- Designated
- October 15, 1982
via Wikipedia infobox
Article
Armstrong County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 65,558. The county seat is Kittanning. The county was organized on March 12, 1800, from parts of Allegheny, Westmoreland and Lycoming Counties. It was named in honor of John Armstrong, who represented Pennsylvania in the Continental Congress and served as a major general during the Revolutionary War. The county is part of the Greater Pittsburgh region of the commonwealth.
History