
Kittanning
- County:
- Armstrong County
- County Seat:
- Yes
- Area (mi²):
- 0.996
- State:
- Pennsylvania
Kittanning is a borough located in Armstrong County, Pennsylvania. Kittanning has a 2025 population of 3,866. It is also the county seat of Armstrong County. Kittanning is currently declining at a rate of -0.26% annually and its population has decreased by -1.33% since the most recent census, which recorded a population of 3,918 in 2020.
The average household income in Kittanning is $95,770 with a poverty rate of 23.52%. The median age in Kittanning is 42.5 years: 38.4 years for males, and 47.9 years for females.