According to a recent survey of over 1 million people, Minnesota ranked as the #1 Most Friendly State in America! (New York Ranked least friendly). The report states "Minnesota takes top spot, thanks to its extradordinaryily friendly residents.
It's called 'Minnesota Nice' for a reason - the atmosphere in the Twin Cities and beyond is hard to match, with a homey feel and locals who go the extra mile to welcome tourists." Here is the full list.