Vancouver / Camas / Washougal retirement community has always been strong and is growing (as we all age + lots moving in to be near kid / grandkids in Portland area.)
Benefits
1) excellent choice of medical care in region - including Kaiser and Veterans Hosp. + Adventist, (for diversity

) and Legancy sytem + many others
2) tax free income in WA - sales tax free OR (lot of folks shop for big items on the OR side (excluding cars...which have to be taxed to get plates)
3) huge accessible culture options - and great bookstores / theatre / music
4) numerous parks in Vanc / Portland
5) right leaning, but left has big media presence (and 40%+ vote)
6) ez access to very pretty beachs (1.5 hrs to Cannon Beach)
7) Mt Hood, Mt St Helens and Mt Adams within one hr
8) wind surfing Kite boarding haven (I have several retired friends who are 'Real' boardheads !)
9) 10 minute to a well served (and non-crowded) international airport (trips to Cali often $79 RT via Alaska specials)
10) Largest 4th of July celebration west of Mississippi R.
Varied employment and volunteer opportunities - diverse economy and residents + plenty of transients!