
Mattawana
- County:
- Mifflin County
- County Seat:
- No
- Area (mi²):
- 0.781
- State:
- Pennsylvania
Mattawana is a CDP located in Mifflin County, Pennsylvania. Mattawana has a 2025 population of 429. Mattawana is currently growing at a rate of 2.63% annually and its population has increased by 27.3% since the most recent census, which recorded a population of 337 in 2020.
The average household income in Mattawana is $90,374 with a poverty rate of 0.84%. The median age in Mattawana is 36.2 years: 31.9 years for males, and 41.8 years for females.