
San Marine
- County:
- Lane County
- County Seat:
- No
- Area (mi²):
- 1.127
- State:
- Oregon
San Marine is a CDP located in Lane County, Oregon. San Marine has a 2025 population of 660. San Marine is currently growing at a rate of 7.14% annually and its population has increased by 24.06% since the most recent census, which recorded a population of 532 in 2020.
The average household income in San Marine is $63,029 with a poverty rate of 10.26%. The median age in San Marine is 44.8 years: 45.2 years for males, and 44.7 years for females.