New Hampshire actually has a much shorter history as an anti-region state than Indiana. Indiana has voted consistenly Republican for the entire post-WW II period except for 1964.
New Hampshire used to vote in a similar manner to Vermont and Maine, but has not become as liberal as Vermont and Maine as quickly. But it appears to be moving in that direction, so I don't know how much longer it can be continued an anti-region state.
Another old thread, but one I had to respond to. New Hampshire seems to have gone through "phases" compared to Maine and Vermont. Up until
c. 1960, New Hampshire was usually more Democratic than Maine and Vermont. It was, as noted above, the only one of the three to vote for Wilson in 1916, was noticeably more Democratic in 1920, and was later the only one of the three to vote for Roosevelt in 1936, 1940, and 1944 (and was Hoover's closest win of the three in 1932). It went for Eisenhower by a landslide, but was still more Democratic than the other two (in 1956, New Hampshire was 66% Eisenhower, while Maine was 71% Eisenhower and Vermont 72% Eisenhower). And it was Kennedy's best state of the three in 1960.
But from 1964 onwards, New Hampshire has generally been more Republican than Maine and Vermont. Johnson got 64% in New Hampshire, compared to 66% in Vermont and 69% in Maine. It was Nixon's best state of the three in 1972, Reagan's best state of the three in 1980/84, and H.W. Bush's best state of the three in 1988/92, and was, as noted above, the only one of the three to vote for W. Bush in 2000 (and was his best one in 2004). It was McCain's best in 2008, Romney's best in 2012, and Trump's best in 2016/20, and was the only one of the three Obama did not win by double digits.
