In 2019, the projected, average monthly cost of assisted living nationwide is $4,000. Alzheimer's and dementia care in assisted living (called Memory Care) costs, on average, an additional $800 - 1,200 per month, for a monthly total of $4,800 - $5,200. Costs for assisted living vary dramatically from state to state. In the South and Mid-West, the approximate average monthly costs are from $2,800 - $4,500. In the Northeast and on the West Coast, $4,200 - $6,050 per month is the norm. See a table of the average cost of assisted living by state.

There are several services that provide information and ideas for long term senior care. 
www.payingforseniorcare.com/financial-assistance/oregon.html