Union County, Oregon pastureland cash rent averages $11.00/acre (USDA NASS, 2025). Oregon pasture rent runs $23.00/pair/mo per cow-calf pair and $20.00/AUM (USDA NASS, 2024 survey). Grass hay is $261/ton this week (USDA AMS). Feeding that hay costs about $4.43 per pair per day.
State-level series shown for context; the county figure above is Union County’s own.