Custer County, Idaho pastureland cash rent averages $13.00/acre (USDA NASS, 2025). Idaho pasture rent runs $23.00/pair/mo per cow-calf pair and $20.50/AUM (USDA NASS, 2025 survey). Grass hay is $168/ton this week (USDA AMS). Feeding that hay costs about $2.85 per pair per day.
State-level series shown for context; the county figure above is Custer County’s own.