No Republican has won the presidential election in Manhattan since 1924, when Calvin Coolidge won a plurality of the New York County vote over Democrat John W. Davis, 41.20%–39.55%. Warren G. Harding was the most recent Republican presidential candidate to win a majority of the Manhattan vote, with 59.22% of the 1920 vote. In the 2004 presidential election, Democrat John Kerry received 82.1% of the vote in Manhattan and Republican George W. Bush received 16.7%. The borough is the most important source of funding for presidential campaigns in the United States; in 2004, it was home to six of the top seven ZIP codes in the nation for political contributions. The top ZIP code, 10021 on the Upper East Side, generated the most money for the United States presidential election for all presidential candidates, including both Kerry and Bush during the 2004 election.