Ah, pity! I hoped I could calculate the data myself.
Especially the 2004 presidential election, the 2016 Democratic caucus and the 2014 gubernatorial election would be very interesting to analyze.
I'd do it if I had the district data.
Hawaii’s election results are all available here:
http://elections.hawaii.gov/election-results/The parts of Honolulu County in the 2nd HD might be a little bit more Republican than those in the 1st, but only because Mormon-heavy Laie near BYU Hawaii tends to vote R, and parts of the exurban Wahiawa Valley (near a military base) and more suburban areas like Kaneohe and Kailua are in the district, as opposed to more urban areas near downtown Honolulu and the university at Manoa.
On the other hand, Republicans also tend to do better (by Hawaiian standards) in the richer Waikiki area near downtown, and in the Mililani exurbs, which are in the 1st. They don’t win those areas - but they usually don’t win the Kaneohe/Kailua suburbs, either. So maybe not.
In any event, the Republican congressional candidates received a greater percentage of the vote in the 1st than the Honolulu County 2nd in every election since 2010. You’d need to do a precinct level analysis to break down the President/Senate vote.
