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 May 2026, at 774,165. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,640. Source: the Institut d'Estadística de Catalunya.
Median 1,640 311 municipalities
Barcelona Barcelona: 774,165 persons 774,165 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 128,715 persons 128,715 Terrassa Terrassa: 106,755 persons 106,755 Sabadell Sabadell: 101,745 persons 101,745 Badalona Badalona: 100,615 persons 100,615 Mataró Mataró: 58,400 persons 58,400 Santa Coloma de Gramenet Santa Coloma de Gramenet: 52,435 persons 52,435 Sant Cugat del Vallès Sant Cugat del Vallès: 44,945 persons 44,945 Cornellà de Llobregat Cornellà de Llobregat: 42,330 persons 42,330 Sant Boi de Llobregat Sant Boi de Llobregat: 38,805 persons 38,805 Rubí Rubí: 37,910 persons 37,910 Manresa Manresa: 33,780 persons 33,780 Viladecans Viladecans: 32,990 persons 32,990 Vilanova i la Geltrú Vilanova i la Geltrú: 31,555 persons 31,555 Castelldefels Castelldefels: 31,135 persons 31,135 Granollers Granollers: 29,920 persons 29,920 El Prat de Llobregat El Prat de Llobregat: 29,865 persons 29,865 Cerdanyola del Vallès Cerdanyola del Vallès: 26,365 persons 26,365 Mollet del Vallès Mollet del Vallès: 24,465 persons 24,465 Vic Vic: 23,760 persons 23,760 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,695 persons 21,695 Gavà Gavà: 21,555 persons 21,555 Esplugues de Llobregat Esplugues de Llobregat: 20,825 persons 20,825 Vilafranca del Penedès Vilafranca del Penedès: 19,155 persons 19,155 Ripollet Ripollet: 18,500 persons 18,500 Igualada Igualada: 17,980 persons 17,980 Sant Joan Despí Sant Joan Despí: 17,345 persons 17,345 Montcada i Reixac Montcada i Reixac: 17,335 persons 17,335 Sant Adrià de Besòs Sant Adrià de Besòs: 16,420 persons 16,420 Barberà del Vallès Barberà del Vallès: 15,730 persons 15,730 Sant Pere de Ribes Sant Pere de Ribes: 14,565 persons 14,565 Sitges Sitges: 13,495 persons 13,495 Molins de Rei Molins de Rei: 13,250 persons 13,250 Martorell Martorell: 13,215 persons 13,215 Sant Vicenç dels Horts Sant Vicenç dels Horts: 13,050 persons 13,050 Premià de Mar Premià de Mar: 13,000 persons 13,000 Pineda de Mar Pineda de Mar: 12,830 persons 12,830 Sant Andreu de la Barca Sant Andreu de la Barca: 12,730 persons 12,730 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,340 persons 12,340 Castellar del Vallès Castellar del Vallès: 12,325 persons 12,325 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities May 2026persons Change on May 2025 1 Barcelona 774,165 +1.7% 2 L'Hospitalet de Llobregat 128,715 +4% 3 Terrassa 106,755 +3% 4 Sabadell 101,745 +3.6% 5 Badalona 100,615 +2.1% 6 Mataró 58,400 +2.7% 7 Santa Coloma de Gramenet 52,435 +2.3% 8 Sant Cugat del Vallès 44,945 +0.9% 9 Cornellà de Llobregat 42,330 +3% 10 Sant Boi de Llobregat 38,805 +2.2% 11 Rubí 37,910 +2.5% 12 Manresa 33,780 +4.2% 13 Viladecans 32,990 +3.7% 14 Vilanova i la Geltrú 31,555 +4.1% 15 Castelldefels 31,135 +0.6% 16 Granollers 29,920 +3.1% 17 El Prat de Llobregat 29,865 +1.9% 18 Cerdanyola del Vallès 26,365 +1.5% 19 Mollet del Vallès 24,465 +3% 20 Vic 23,760 +2.9% 21 Sant Feliu de Llobregat 21,695 +1.6% 22 Gavà 21,555 +1.5% 23 Esplugues de Llobregat 20,825 +2.8% 24 Vilafranca del Penedès 19,155 +2.7% 25 Ripollet 18,500 +2% 26 Igualada 17,980 +2% 27 Sant Joan Despí 17,345 +1.6% 28 Montcada i Reixac 17,335 +2.5% 29 Sant Adrià de Besòs 16,420 +2.8% 30 Barberà del Vallès 15,730 +1% 31 Sant Pere de Ribes 14,565 +2.5% 32 Sitges 13,495 +1% 33 Molins de Rei 13,250 +1.9% 34 Martorell 13,215 +4.5% 35 Sant Vicenç dels Horts 13,050 +1.8% 36 Premià de Mar 13,000 +0.9% 37 Pineda de Mar 12,830 +3.3% 38 Sant Andreu de la Barca 12,730 +2.2% 39 Santa Perpètua de Mogoda 12,340 +2.8% 40 Castellar del Vallès 12,325 +1.5% 41 Olesa de Montserrat 11,625 +2.2% 42 El Masnou 11,520 +1.6% 43 Esparreguera 10,670 +2.6% 44 Les Franqueses del Vallès 10,120 +3.1% 45 Sant Just Desvern 9,545 +1.7% 46 Sant Quirze del Vallès 9,530 +1.3% 47 Vilassar de Mar 9,495 +0.5% 48 Parets del Vallès 9,165 +2.1% 49 Cardedeu 9,105 +2.4% 50 Caldes de Montbui 9,005 +1.9% 51 Calella 8,985 +2.6% 52 Manlleu 8,970 +2.4% 53 Malgrat de Mar 8,870 +2.8% 54 Sant Celoni 8,625 +3% 55 Tordera 8,410 +4.5% 56 La Garriga 8,360 +1.7% 57 Lliçà d'Amunt 8,350 +2.7% 58 Piera 8,260 +5.2% 59 Cubelles 7,965 +3.4% 60 Montornès del Vallès 7,925 +1.3% 61 Corbera de Llobregat 7,870 +3% 62 Vallirana 7,840 +1.8% 63 Palau-solità i Plegamans 7,590 +1.3% 64 Arenys de Mar 7,295 +2.2% 65 Canovelles 7,200 +2.3% 66 Torelló 7,085 +2.3% 67 Berga 7,080 +3.3% 68 Canet de Mar 6,635 +2.8% 69 Castellbisbal 6,480 +2% 70 Abrera 6,400 +1.8% 71 Montgat 6,215 +1.1% 72 Argentona 6,045 +2% 73 Sant Sadurní d'Anoia 6,010 +0.1% 74 La Llagosta 5,920 +0.8% 75 Pallejà 5,840 +2.5% 76 Vilanova del Camí 5,700 +2.8% 77 La Roca del Vallès 5,680 +3.1% 78 Llinars del Vallès 5,415 +3.1% 79 Sant Andreu de Llavaneres 5,305 +0.4% 80 Badia del Vallès 5,230 +3.9% 81 Bigues i Riells del Fai 5,180 +3.3% 82 Sant Joan de Vilatorrada 5,100 +1.5% 83 Masquefa 4,980 +3.6% 84 Palafolls 4,920 +1.1% 85 Premià de Dalt 4,835 +0.3% 86 Matadepera 4,795 +2.5% 87 Sentmenat 4,750 +2.5% 88 Cervelló 4,725 +2.7% 89 L'Ametlla del Vallès 4,685 +1.1% 90 Tiana 4,680 +2% 91 Santa Maria de Palautordera 4,650 +1.9% 92 Sant Fruitós de Bages 4,530 +0.7% 93 Arenys de Munt 4,495 +1.7% 94 Sant Esteve Sesrovires 4,445 +3.4% 95 Sant Fost de Campsentelles 4,365 +2% 96 Alella 4,350 +0.2% 96 Polinyà 4,350 +1.6% 98 Santa Margarida de Montbui 4,265 +2.4% 98 Vilassar de Dalt 4,265 +0.7% 100 Tona 4,240 +1.3% 101 Sant Vicenç de Castellet 4,235 +0.2% 102 Santa Coloma de Cervelló 4,230 +2.4% 103 Montmeló 4,185 +1.2% 104 Vacarisses 4,065 +5.4% 105 Gelida 3,910 +3.2% 106 Santa Eulàlia de Ronçana 3,845 +2% 107 Centelles 3,800 +1.7% 108 Begues 3,760 +2.7% 109 Viladecavalls 3,755 +1.1% 110 Santpedor 3,705 +2.2% 111 Cabrils 3,640 +1.3% 112 Santa Margarida i els Monjos 3,510 +2.2% 113 Sant Feliu de Codines 3,410 +2.2% 114 Roda de Ter 3,340 +4.5% 115 Taradell 3,330 +1.7% 116 Lliçà de Vall 3,315 +1.2% 117 Sant Antoni de Vilamajor 3,200 +0.9% 117 Torrelles de Llobregat 3,200 +2.4% 119 Moià 3,185 +0.3% 120 Dosrius 3,175 +2.4% 121 Teià 3,100 +1.5% 122 Sant Vicenç de Montalt 3,095 +1.3% 123 Vilanova del Vallès 2,945 +2.8% 124 Sallent 2,900 +0.7% 125 Artés 2,875 +2% 126 Navarcles 2,795 +0.9% 127 Canyelles 2,755 +7.6% 128 Navàs 2,735 +1.1% 129 Sant Pere de Vilamajor 2,565 +2.6% 130 Súria 2,515 +2.7% 131 Collbató 2,475 +2.9% 132 Sant Pol de Mar 2,470 +2.3% 133 Cabrera de Mar 2,465 +3.4% 134 Capellades 2,405 +2.8% 135 Martorelles 2,315 +5.2% 136 El Papiol 2,200 +2.6% 137 Sant Climent de Llobregat 2,145 +2.6% 138 Olivella 2,025 +3.8% 139 Gironella 1,985 +1.5% 140 Seva 1,935 +1% 141 Castellbell i el Vilar 1,925 +3.2% 141 Olèrdola 1,925 +2.9% 143 La Torre de Claramunt 1,920 +4.6% 144 Balenyà 1,890 +1.6% 144 Sant Cebrià de Vallalta 1,890 +7.4% 146 El Pont de Vilomara i Rocafort 1,875 +0.3% 147 Puig-reig 1,840 +0.8% 148 Santa Susanna 1,830 +1.1% 149 Sant Hipòlit de Voltregà 1,825 +3.4% 150 Cardona 1,770 +1.1% 151 Sant Julià de Vilatorta 1,745 +2.6% 152 Òdena 1,725 +0.9% 153 Sant Salvador de Guardiola 1,715 +3.3% 154 Vallgorguina 1,660 +0.9% 155 Cànoves i Samalús 1,655 -0.9% 156 Les Masies de Voltregà 1,640 +0.3% 157 Sant Martí Sarroca 1,630 +1.9% 158 Els Hostalets de Pierola 1,585 +4.3% 159 Subirats 1,575 +1.6% 160 La Palma de Cervelló 1,480 +1.4% 161 Calaf 1,465 +3.2% 161 Caldes d'Estrac 1,465 +0.7% 161 Sant Esteve de Palautordera 1,465 +0.7% 164 Balsareny 1,450 +1.4% 164 Monistrol de Montserrat 1,450 +2.1% 166 Vallromanes 1,385 +2.2% 167 Gurb 1,370 +0.4% 168 Calldetenes 1,320 -0.8% 169 Sant Llorenç d'Hortons 1,290 +4% 170 Aiguafreda 1,250 +3.3% 170 Castellet i la Gornal 1,250 +3.3% 172 Castellterçol 1,245 +1.6% 173 Prats de Lluçanès 1,235 +1.6% 174 Sant Pere de Torelló 1,225 +6.1% 175 El Bruc 1,210 +1.3% 175 Folgueroles 1,210 +2.5% 177 Santa Eugènia de Berga 1,175 +2.6% 178 Mediona 1,155 +5% 179 Castellgalí 1,145 +4.1% 179 Sant Pere de Riudebitlles 1,145 +0.4% 181 Ullastrell 1,135 +1.3% 182 Sant Llorenç Savall 1,130 +0.9% 183 Olesa de Bonesvalls 1,115 +5.7% 184 Sant Quintí de Mediona 1,105 +5.7% 185 Avinyó 1,085 +2.4% 185 La Pobla de Claramunt 1,085 -0.5% 187 La Granada 1,075 +0.9% 188 Torrelles de Foix 1,070 +5.4% 189 Avià 1,055 +1.4% 190 L'Esquirol 1,040 +1% 190 Sant Vicenç de Torelló 1,040 +0.5% 192 Castellví de Rosanes 1,020 -2.4% 193 Callús 980 +1% 193 Sant Quirze de Besora 980 +1.6% 195 Bagà 875 +1.7% 196 Avinyonet del Penedès 870 +1.2% 197 Gualba 855 +3.6% 198 Castellví de la Marca 845 +4.3% 199 Cabrera d'Anoia 825 +10% 200 Torrelavit 820 +2.5% 201 Castellnou de Bages 775 +4.7% 201 Santa Eulàlia de Riuprimer 775 +4% 203 Fogars de la Selva 750 +1.4% 203 Fonollosa 750 0% 205 Sant Iscle de Vallalta 720 +4.3% 206 Casserres 715 +5.9% 207 Font-rubí 670 +4.7% 208 El Pla del Penedès 655 +4% 209 Vallbona d'Anoia 650 +6.6% 210 Sant Martí de Centelles 615 +0.8% 211 Sant Martí de Tous 590 0% 212 Figaró-Montmany 575 +5.5% 213 Olost 570 +0.9% 214 Calders 565 -1.7% 215 Vilobí del Penedès 530 +7.1% 216 Les Cabanyes 515 +4% 217 Cercs 510 +3% 218 Santa Maria d'Oló 500 +2% 219 Montesquiu 480 -1% 219 Sant Cugat Sesgarrigues 480 -1% 221 Rellinars 455 -1.1% 222 Jorba 445 0% 223 Santa Maria de Martorelles 435 +1.2% 224 Pacs del Penedès 420 -3.4% 225 La Llacuna 415 +5.1% 225 Olvan 415 +2.5% 227 Òrrius 400 0% 227 Sant Bartomeu del Grau 400 +2.6% 229 Vilalba Sasserra 390 +4% 230 Castellcir 385 -2.5% 230 La Pobla de Lillet 385 +5.5% 232 Guardiola de Berguedà 380 +2.7% 233 Carme 375 +5.6% 234 Muntanyola 365 +5.8% 235 Castellolí 355 +4.4% 236 Les Masies de Roda 345 -6.8% 237 Monistrol de Calders 340 +6.3% 238 Sant Quirze Safaja 335 0% 239 Rajadell 325 +1.6% 240 Sant Mateu de Bages 285 +1.8% 241 Campins 280 +3.7% 241 Sant Feliu Sasserra 280 +9.8% 243 Puigdàlber 275 +1.9% 244 Oristà 260 +2% 245 Els Prats de Rei 240 0% 246 Castellfollit del Boix 230 0% 247 Fogars de Montclús 220 -8.3% 247 Pontons 220 +7.3% 249 Montmajor 210 -4.5% 249 Sant Boi de Lluçanès 210 0%
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 774,165 in May 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in May 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 