data oregon 2024In 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 aDeficit generation under the Oregon Clean Fuels Program (OCFP) in Q4 last year surpassed total credit output, which dropped to the lowest levels since early 2025, according