Datos relativos a las Elecciones al Parlamento Europeo 2004
Número de electores en listas de votación por provincia y tipo de  elector.
Unidades: electores

,Españoles residentes en España,Españoles residentes en el extranjero,Ciudadanos de la Unión Europea residentes en España,Total,
TOTAL,33.491.194,1.101.124,129.989,34.722.307,
Álava,244.036,3.085,313,247.434,
Albacete,293.774,5.139,190,299.103,
Alicante/Alacant,1.140.249,16.776,26.467,1.183.492,
Almería,409.475,18.950,2.945,431.370,
Ávila,138.668,5.034,131,143.833,
Badajoz,529.949,8.932,307,539.188,
Balears (Illes),677.105,9.571,9.648,696.324,
Barcelona,3.928.091,77.567,16.030,4.021.688,
Burgos,294.223,9.117,251,303.591,
Cáceres,335.147,11.395,320,346.862,
Cádiz,911.388,17.752,1.769,930.909,
Castellón/Castelló,397.432,4.324,1.485,403.241,
Ciudad Real,389.077,4.032,113,393.222,
Córdoba,620.040,13.620,262,633.922,
Coruña (A),946.515,106.900,916,1.054.331,
Cuenca,163.108,2.245,95,165.448,
Girona,466.195,7.268,4.082,477.545,
Granada,670.840,25.185,1.730,697.755,
Guadalajara,150.044,1.929,304,152.277,
Guipúzcoa,567.921,13.560,1.044,582.525,
Huelva,374.046,4.947,557,379.550,
Huesca,172.919,4.119,312,177.350,
Jaén,518.203,8.292,194,526.689,
León,421.609,28.724,759,451.092,
Lleida,301.844,10.278,351,312.473,
Rioja (La),228.396,6.642,336,235.374,
Lugo,310.217,36.832,405,347.454,
Madrid,4.318.554,141.734,13.087,4.473.375,
Málaga,1.010.495,25.702,15.001,1.051.198,
Murcia,925.292,17.101,2.608,945.001,
Navarra,453.990,12.542,668,467.200,
Ourense,288.286,66.202,1.279,355.767,
Asturias,926.072,59.929,1.002,987.003,
Palencia,147.821,4.654,106,152.581,
Palmas (Las),723.976,13.462,4.393,741.831,
Pontevedra,763.601,86.282,1.418,851.301,
Salamanca,293.474,18.852,290,312.616,
S.C. Tenerife,679.476,44.700,6.846,731.022,
Cantabria,461.991,17.331,613,479.935,
Segovia,122.483,2.160,139,124.782,
Sevilla,1.414.240,20.008,1.160,1.435.408,
Soria,75.728,2.798,42,78.568,
Tarragona,509.768,7.974,2.408,520.150,
Teruel,112.754,3.194,155,116.103,
Toledo,446.337,5.984,330,452.651,
Valencia/València,1.852.739,31.849,4.705,1.889.293,
Valladolid,424.747,7.352,306,432.405,
Vizcaya,953.284,20.416,1.007,974.707,
Zamora,170.730,11.228,193,182.151,
Zaragoza,713.988,12.511,822,727.321,
Ceuta,54.683,2.081,21,56.785,
Melilla,46.174,2.863,74,49.111,
Notas:
Fuente: Instituto Nacional de Estadística