I was only in the 9th grade in 1960 so I couldn't vote then.
In 1964 I was still too young to vote. (The 26th Amendment, which lowered the voting age to 18, wasn't ratified until 1971.)
OTOH, I was active in the 1964 campaign in my suburban Philadelphia home area. The official PA GOP refused to endorse Goldwater (PA had GOP Bill Scranton as gov, who'd ran a short-lived campaign against Goldwater.) As a result, we had to form a "Citizens for Goldwater-Miller Committee. The nearest C4G-M office was in a neighboring town about 10 miles from my hometown, and whenever I could, I'd drive over to it to help out in whatever way I could. I worked there until September, 1964 when I enlisted in the USAF. As a result of my being assigned to Davis-Monthan AFB outside of Tucson from 1965-67, I did get the opportunity to meet Sen. Goldwater at a rally in downtown Tucson.
As a side note, it was while working at the C4G-M office that I first encountered some born-again Christians who encouraged me to go to their IFB church (Calvary Baptist in Lansdale, PA). I never took them up on their invitations, but about two years later while stationed in Tucson I recalled their interest in John A. Stormer's book, None Dare Call It Treason, and attended one of his meetings at a local Baptist church in Tucson. It was there where I first really "heard" the Gospel, and in April, 1966, I received Jesus Christ as my Savior! :godisgood: