data oregon 2024Data for Oregon. Oregon's data shows health inequities in HIV diagnosis, prevention, and treatment. Oregon HIV data. Talking on the phone to a doctor.In 2025, the population of Oregon was 4.27 million, a 0.44% increase year-by-year from 2025. Previously, in 2025, Oregon's population was 4.25 million, an increase of 0.15% compared to a