
Yamhill County
- State:
- Oregon
- County Seat:
- McMinnville
Yamhill County's estimated 2025 population is 109,208 with a growth rate of 0.26% in the past year according to the most recent United States census data. Yamhill County is the 10th largest county in Oregon. The 2010 population was 99,298 and has seen a growth of 9.98% since that time.