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 a2025 Oregon Data (252.80 KB, SHEET) 2025 Oregon Health Outcomes Map (135.33 KB, PNG) 2025 Oregon Health Factors Map (134.29 KB, PNG)