A new set of AARP polls conducted by a bipartisan team of pollsters in a series of battleground states, has very bad news for Trump in terms of older voter support. They concentrated on age 50+ voters; here are the Presidential results for 65+ voters, as summarized by Charlie Sykes at The Bulwark.
"According to the survey, Biden leads Trump among 65-plus voters in eight states: Colorado (51% to 44%), Iowa (55% to 38%), Maine (62% to 32%), Michigan (57% to 39%), Montana (50% to 45%), North Carolina (52% to 45%), Pennsylvania (53% to 42%), and Wisconsin (56% to 39%). Trump leads Biden in one state: Georgia (54% to 42%). Biden and Trump are statistically tied in two states: Arizona (49% to 47%) and Florida (49% to 48%)."