Data / Rankings / Social Security affiliates / Municipalities in Barcelona province
Municipalities in Barcelona province by social Security affiliates
Barcelona had the highest social Security affiliates of 311 municipalities in April 2026, at 761,585. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,630. Source: the Institut d'Estadística de Catalunya.
Median 1,630 311 municipalities
Barcelona Barcelona: 761,585 persons 761,585 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 125,995 persons 125,995 Terrassa Terrassa: 105,535 persons 105,535 Sabadell Sabadell: 100,315 persons 100,315 Badalona Badalona: 99,180 persons 99,180 Mataró Mataró: 57,400 persons 57,400 Santa Coloma de Gramenet Santa Coloma de Gramenet: 51,495 persons 51,495 Sant Cugat del Vallès Sant Cugat del Vallès: 44,615 persons 44,615 Cornellà de Llobregat Cornellà de Llobregat: 41,760 persons 41,760 Sant Boi de Llobregat Sant Boi de Llobregat: 38,280 persons 38,280 Rubí Rubí: 37,340 persons 37,340 Manresa Manresa: 33,205 persons 33,205 Viladecans Viladecans: 32,575 persons 32,575 Vilanova i la Geltrú Vilanova i la Geltrú: 31,045 persons 31,045 Castelldefels Castelldefels: 30,660 persons 30,660 El Prat de Llobregat El Prat de Llobregat: 29,440 persons 29,440 Granollers Granollers: 29,435 persons 29,435 Cerdanyola del Vallès Cerdanyola del Vallès: 26,060 persons 26,060 Mollet del Vallès Mollet del Vallès: 24,075 persons 24,075 Vic Vic: 23,420 persons 23,420 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,480 persons 21,480 Gavà Gavà: 21,350 persons 21,350 Esplugues de Llobregat Esplugues de Llobregat: 20,555 persons 20,555 Vilafranca del Penedès Vilafranca del Penedès: 18,775 persons 18,775 Ripollet Ripollet: 18,270 persons 18,270 Igualada Igualada: 17,715 persons 17,715 Montcada i Reixac Montcada i Reixac: 17,190 persons 17,190 Sant Joan Despí Sant Joan Despí: 17,155 persons 17,155 Sant Adrià de Besòs Sant Adrià de Besòs: 16,205 persons 16,205 Barberà del Vallès Barberà del Vallès: 15,560 persons 15,560 Sant Pere de Ribes Sant Pere de Ribes: 14,325 persons 14,325 Sitges Sitges: 13,240 persons 13,240 Molins de Rei Molins de Rei: 13,080 persons 13,080 Martorell Martorell: 12,895 persons 12,895 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,895 persons 12,895 Premià de Mar Premià de Mar: 12,820 persons 12,820 Sant Andreu de la Barca Sant Andreu de la Barca: 12,575 persons 12,575 Pineda de Mar Pineda de Mar: 12,355 persons 12,355 Castellar del Vallès Castellar del Vallès: 12,240 persons 12,240 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,160 persons 12,160 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities April 2026persons Change on April 2025 1 Barcelona 761,585 +0.8% 2 L'Hospitalet de Llobregat 125,995 +3.1% 3 Terrassa 105,535 +2.6% 4 Sabadell 100,315 +3% 5 Badalona 99,180 +1.7% 6 Mataró 57,400 +1.8% 7 Santa Coloma de Gramenet 51,495 +1.6% 8 Sant Cugat del Vallès 44,615 +0.6% 9 Cornellà de Llobregat 41,760 +2.5% 10 Sant Boi de Llobregat 38,280 +1.9% 11 Rubí 37,340 +2% 12 Manresa 33,205 +3.2% 13 Viladecans 32,575 +3.4% 14 Vilanova i la Geltrú 31,045 +3.6% 15 Castelldefels 30,660 +0.3% 16 El Prat de Llobregat 29,440 +1.2% 17 Granollers 29,435 +2.6% 18 Cerdanyola del Vallès 26,060 +1.2% 19 Mollet del Vallès 24,075 +2.5% 20 Vic 23,420 +2.4% 21 Sant Feliu de Llobregat 21,480 +1.6% 22 Gavà 21,350 +1.3% 23 Esplugues de Llobregat 20,555 +2.3% 24 Vilafranca del Penedès 18,775 +1.8% 25 Ripollet 18,270 +1.4% 26 Igualada 17,715 +1.3% 27 Montcada i Reixac 17,190 +2.5% 28 Sant Joan Despí 17,155 +1.4% 29 Sant Adrià de Besòs 16,205 +2.5% 30 Barberà del Vallès 15,560 +0.7% 31 Sant Pere de Ribes 14,325 +1.8% 32 Sitges 13,240 +0.7% 33 Molins de Rei 13,080 +1.6% 34 Martorell 12,895 +3.2% 34 Sant Vicenç dels Horts 12,895 +1.5% 36 Premià de Mar 12,820 +0.2% 37 Sant Andreu de la Barca 12,575 +2.1% 38 Pineda de Mar 12,355 +2.6% 39 Castellar del Vallès 12,240 +1.7% 40 Santa Perpètua de Mogoda 12,160 +2.4% 41 Olesa de Montserrat 11,480 +2% 42 El Masnou 11,370 +1.5% 43 Esparreguera 10,540 +2.7% 44 Les Franqueses del Vallès 10,035 +3.2% 45 Sant Quirze del Vallès 9,455 +1.1% 46 Sant Just Desvern 9,445 +1.2% 47 Vilassar de Mar 9,405 0% 48 Parets del Vallès 9,095 +2.4% 49 Cardedeu 9,030 +2.2% 50 Caldes de Montbui 8,885 +1.2% 51 Manlleu 8,810 +1.7% 52 Calella 8,615 +2.1% 53 Malgrat de Mar 8,570 +1.9% 54 Sant Celoni 8,490 +1.8% 55 La Garriga 8,285 +1.5% 56 Lliçà d'Amunt 8,265 +2.6% 57 Tordera 8,250 +3.7% 58 Piera 8,095 +4.6% 59 Montornès del Vallès 7,835 +2% 60 Cubelles 7,825 +2.8% 61 Vallirana 7,780 +1.6% 62 Corbera de Llobregat 7,770 +2.1% 63 Palau-solità i Plegamans 7,520 +1.1% 64 Arenys de Mar 7,125 +0.6% 65 Canovelles 7,050 +2.1% 66 Berga 6,985 +2.2% 67 Torelló 6,960 +1.3% 68 Canet de Mar 6,550 +2.7% 69 Castellbisbal 6,415 +1.8% 70 Abrera 6,290 +0.9% 71 Montgat 6,155 +0.7% 72 Argentona 5,990 +1.9% 73 Sant Sadurní d'Anoia 5,950 -0.4% 74 La Llagosta 5,840 +0.5% 75 Pallejà 5,800 +2.4% 76 La Roca del Vallès 5,640 +2.9% 77 Vilanova del Camí 5,615 +2.3% 78 Llinars del Vallès 5,370 +2.9% 79 Sant Andreu de Llavaneres 5,245 +0.2% 80 Badia del Vallès 5,150 +2.7% 81 Bigues i Riells del Fai 5,120 +2.7% 82 Sant Joan de Vilatorrada 5,050 +1% 83 Masquefa 4,905 +2.8% 84 Premià de Dalt 4,800 +0.6% 85 Palafolls 4,795 +0.7% 86 Matadepera 4,780 +2.7% 87 Sentmenat 4,715 +2.5% 88 Cervelló 4,695 +3% 89 L'Ametlla del Vallès 4,685 +1.6% 90 Tiana 4,655 +2.4% 91 Santa Maria de Palautordera 4,595 +1.2% 92 Sant Fruitós de Bages 4,495 +0.6% 93 Arenys de Munt 4,420 +1.3% 94 Sant Esteve Sesrovires 4,380 +3.4% 95 Sant Fost de Campsentelles 4,340 +2.4% 96 Alella 4,305 -0.7% 97 Polinyà 4,295 +1.2% 98 Vilassar de Dalt 4,235 +1% 99 Tona 4,210 +1.3% 100 Santa Coloma de Cervelló 4,200 +2.4% 101 Santa Margarida de Montbui 4,190 +2.1% 102 Sant Vicenç de Castellet 4,185 +0.4% 103 Montmeló 4,155 +1.8% 104 Vacarisses 3,990 +3.8% 105 Gelida 3,860 +2.3% 106 Santa Eulàlia de Ronçana 3,825 +1.7% 107 Centelles 3,760 +0.8% 108 Begues 3,735 +2.2% 108 Viladecavalls 3,735 +0.7% 110 Santpedor 3,665 +1.4% 111 Cabrils 3,605 +1.4% 112 Santa Margarida i els Monjos 3,425 +0.7% 113 Sant Feliu de Codines 3,350 +1.4% 114 Taradell 3,300 +1.4% 115 Lliçà de Vall 3,290 +1.1% 116 Roda de Ter 3,280 +3.5% 117 Torrelles de Llobregat 3,170 +1.9% 118 Sant Antoni de Vilamajor 3,165 +1% 119 Dosrius 3,160 +2.6% 120 Moià 3,145 0% 121 Teià 3,080 +1.1% 122 Sant Vicenç de Montalt 3,065 +1.5% 123 Vilanova del Vallès 2,930 +3% 124 Sallent 2,855 -0.2% 125 Artés 2,840 +1.6% 126 Navarcles 2,775 0% 127 Navàs 2,725 +0.9% 128 Canyelles 2,715 +6.3% 129 Sant Pere de Vilamajor 2,520 +0.6% 130 Súria 2,485 +1.4% 131 Collbató 2,450 +2.7% 132 Cabrera de Mar 2,430 +1.9% 133 Sant Pol de Mar 2,415 +2.1% 134 Capellades 2,335 -0.4% 135 Martorelles 2,280 +5.3% 136 El Papiol 2,185 +2.6% 137 Sant Climent de Llobregat 2,115 +2.2% 138 Olivella 2,005 +4.2% 139 Gironella 1,975 +2.1% 140 Seva 1,935 +1.8% 141 Olèrdola 1,905 +2.7% 142 Castellbell i el Vilar 1,890 +2.4% 143 La Torre de Claramunt 1,880 +3.3% 144 Balenyà 1,875 +1.9% 144 Sant Cebrià de Vallalta 1,875 +7.4% 146 El Pont de Vilomara i Rocafort 1,865 +0.8% 147 Puig-reig 1,825 -0.5% 148 Sant Hipòlit de Voltregà 1,795 +2% 149 Santa Susanna 1,770 +0.6% 150 Cardona 1,745 +0.9% 151 Sant Julià de Vilatorta 1,740 +2.7% 152 Òdena 1,710 +0.9% 153 Sant Salvador de Guardiola 1,690 +2.1% 154 Vallgorguina 1,665 +1.8% 155 Cànoves i Samalús 1,645 -0.3% 156 Les Masies de Voltregà 1,630 0% 157 Sant Martí Sarroca 1,615 +2.2% 158 Subirats 1,565 +1.6% 159 Els Hostalets de Pierola 1,555 +3.3% 160 La Palma de Cervelló 1,470 +1.4% 161 Sant Esteve de Palautordera 1,445 -0.3% 162 Balsareny 1,440 +1.1% 163 Calaf 1,435 +2.5% 164 Caldes d'Estrac 1,430 -0.3% 165 Monistrol de Montserrat 1,425 +1.4% 166 Vallromanes 1,375 +2.2% 167 Gurb 1,365 +0.7% 168 Calldetenes 1,305 -0.4% 169 Sant Llorenç d'Hortons 1,275 +3.7% 170 Castellterçol 1,240 +3.8% 171 Aiguafreda 1,230 +2.5% 171 Castellet i la Gornal 1,230 +2.9% 171 Prats de Lluçanès 1,230 +1.7% 174 El Bruc 1,210 +2.5% 174 Sant Pere de Torelló 1,210 +5.2% 176 Folgueroles 1,195 +1.3% 177 Santa Eugènia de Berga 1,170 +2.2% 178 Mediona 1,145 +5.5% 179 Castellgalí 1,140 +4.6% 180 Sant Pere de Riudebitlles 1,125 +0.9% 180 Ullastrell 1,125 +0.4% 182 Olesa de Bonesvalls 1,110 +6.2% 182 Sant Llorenç Savall 1,110 0% 184 Avinyó 1,085 +3.3% 184 La Pobla de Claramunt 1,085 +0.9% 186 Sant Quintí de Mediona 1,080 +4.9% 187 La Granada 1,075 +1.9% 188 Torrelles de Foix 1,055 +5% 189 Avià 1,045 +1.5% 190 Sant Vicenç de Torelló 1,040 +0.5% 191 L'Esquirol 1,025 +0.5% 192 Castellví de Rosanes 1,005 -2.9% 193 Sant Quirze de Besora 980 +2.6% 194 Callús 965 +0.5% 195 Bagà 875 +2.3% 196 Avinyonet del Penedès 855 0% 196 Gualba 855 +4.3% 198 Castellví de la Marca 835 +4.4% 199 Torrelavit 820 +3.8% 200 Cabrera d'Anoia 810 +7.3% 201 Castellnou de Bages 775 +4.7% 202 Santa Eulàlia de Riuprimer 770 +3.4% 203 Fogars de la Selva 740 +0.7% 203 Fonollosa 740 -0.7% 205 Sant Iscle de Vallalta 710 +4.4% 206 Casserres 705 +5.2% 207 Font-rubí 660 +3.9% 208 El Pla del Penedès 645 +4% 208 Vallbona d'Anoia 645 +6.6% 210 Sant Martí de Centelles 605 +0.8% 211 Sant Martí de Tous 590 +2.6% 212 Figaró-Montmany 575 +5.5% 213 Calders 570 -0.9% 214 Olost 565 -0.9% 215 Vilobí del Penedès 525 +6.1% 216 Les Cabanyes 505 +2% 217 Cercs 500 +1% 218 Santa Maria d'Oló 495 +1% 219 Sant Cugat Sesgarrigues 480 +1.1% 220 Montesquiu 475 0% 221 Rellinars 460 0% 222 Jorba 440 0% 223 Santa Maria de Martorelles 430 +1.2% 224 Pacs del Penedès 425 -2.3% 225 Olvan 415 +3.8% 226 La Llacuna 410 +3.8% 227 Òrrius 400 0% 228 Sant Bartomeu del Grau 395 0% 229 Castellcir 380 -1.3% 229 Vilalba Sasserra 380 +1.3% 231 Guardiola de Berguedà 375 +1.4% 231 La Pobla de Lillet 375 +1.4% 233 Carme 365 +4.3% 234 Castellolí 355 +6% 234 Muntanyola 355 +2.9% 236 Les Masies de Roda 345 -8% 237 Monistrol de Calders 335 +6.3% 237 Sant Quirze Safaja 335 0% 239 Rajadell 325 +3.2% 240 Sant Mateu de Bages 285 +1.8% 241 Campins 275 +1.9% 241 Puigdàlber 275 +3.8% 241 Sant Feliu Sasserra 275 +10% 244 Oristà 260 +2% 245 Els Prats de Rei 240 +2.1% 246 Castellfollit del Boix 230 0% 247 Fogars de Montclús 215 -10.4% 247 Pontons 215 +4.9% 249 Montmajor 205 -4.7% 249 Perafita 205 +2.5%
Showing the top 250 of 311. The CSV download has every row.
Other periods
About this ranking Workers registered with Social Security, by place of residence or work centre as stated by the source.
Every value in the ranking comes from the same publisher and the same period, so the municipalities are compared on one definition. Equal values share a rank.
How to cite Institut d'Estadística de Catalunya (Idescat). Afiliats a la Seguretat Social per municipi de residència (afi). https://www.idescat.cat/pub/?id=afi. Retrieved 2026-10-07.Use this data in your AI agent Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Rank Municipalities in Barcelona province by social Security affiliates using official data, and cite the source. rank_places {"indicator":"social_security_affiliates","level":"municipality","within":"Barcelona","limit":10}
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Questions Which municipality has the highest social Security affiliates? Barcelona, with 761,585 in April 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in April 2026.
Where does this ranking come from? Every value comes from one source and one period, so the places are comparable: Institut d'Estadística de Catalunya, Afiliats a la Seguretat Social per municipi de residència (afi). Retrieved 2026-10-07.
Social Security affiliates: other rankings
Municipalities in Barcelona province: more rankings 