The European Parliament election of 2004 took place on 12–13 June 2004.
The Olive Tree was the most voted list in Sicily with 28.6%, followed by Forza Italia (21.5%), National Alliance (14.5%) and the Union of Christian and Centre Democrats (14.0%). Raffaele Lombardo, who was elected to the European Parliament for the Christian Democrats, left that party in 2005 to launch the Movement for Autonomy, which would have become a stable political force in the region.
Results Parties votes votes (%) The Olive Tree Democracy is Freedom – The Daisy Democrats of the Left Italian Democratic Socialists European Republicans Movement646,26728.6 Forza Italia486,08021.5 National Alliance328,69714.5 Union of Christian and Centre Democrats315,81814.0 Communist Refoundation Party82,0543.6 Popular Alliance – UDEUR61,3642.7 Italy of Values–Civil Society–Occhetto42,0021.9 United Socialists for Europe39,9421.8 Federation of the Greens38,6711.7 Party of Italian Communists38,1871.7 Bonino List32,0271.4 Social Alternative28,8491.3 New Country24,7261.1 Consumers' List24,2331.1 Italian Republican Party–The Liberals-Sgarbi22,4171.0 Others49,0483.2Total2,260,382100.0Source: Ministry of the Interior