Pretty much every President since Dwight has golfed.
Here is some film of the swing of JFK. The John F. Kennedy golf swing shows an effortless grace compared to the hack swings of other US Presidents.
JFK Could have easily been a low single digit handicapper IMO. But few politicians have the time to devote to golf. The bad back of JFK would have been a major obstacle as well.
Here is a rundown on the golf handicaps of US Presidents and I guarantee you every one of them was a vanity handicap.
The only politician to have a serious golf game in my opinion was Dan Quale.