
Philomath
- County:
- Benton County
- County Seat:
- No
- Area (mi²):
- 2.064
- State:
- Oregon
Philomath is a city located in Benton County, Oregon. Philomath has a 2025 population of 5,963. Philomath is currently growing at a rate of 2.14% annually and its population has increased by 11.67% since the most recent census, which recorded a population of 5,340 in 2020.
The average household income in Philomath is $94,142 with a poverty rate of 7.9%. The median age in Philomath is 35.5 years: 31.4 years for males, and 39.1 years for females.