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 July 2026, at 766,625. 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: 766,625 persons 766,625 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 129,370 persons 129,370 Terrassa Terrassa: 105,005 persons 105,005 Sabadell Sabadell: 100,680 persons 100,680 Badalona Badalona: 99,780 persons 99,780 Mataró Mataró: 58,140 persons 58,140 Santa Coloma de Gramenet Santa Coloma de Gramenet: 52,560 persons 52,560 Sant Cugat del Vallès Sant Cugat del Vallès: 43,485 persons 43,485 Cornellà de Llobregat Cornellà de Llobregat: 41,935 persons 41,935 Sant Boi de Llobregat Sant Boi de Llobregat: 38,330 persons 38,330 Rubí Rubí: 37,450 persons 37,450 Manresa Manresa: 33,475 persons 33,475 Viladecans Viladecans: 32,780 persons 32,780 Vilanova i la Geltrú Vilanova i la Geltrú: 31,495 persons 31,495 Castelldefels Castelldefels: 31,000 persons 31,000 Granollers Granollers: 29,850 persons 29,850 El Prat de Llobregat El Prat de Llobregat: 29,595 persons 29,595 Cerdanyola del Vallès Cerdanyola del Vallès: 25,795 persons 25,795 Mollet del Vallès Mollet del Vallès: 24,180 persons 24,180 Vic Vic: 23,890 persons 23,890 Gavà Gavà: 21,305 persons 21,305 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,195 persons 21,195 Esplugues de Llobregat Esplugues de Llobregat: 20,575 persons 20,575 Vilafranca del Penedès Vilafranca del Penedès: 18,980 persons 18,980 Ripollet Ripollet: 18,340 persons 18,340 Igualada Igualada: 17,795 persons 17,795 Montcada i Reixac Montcada i Reixac: 17,110 persons 17,110 Sant Joan Despí Sant Joan Despí: 17,095 persons 17,095 Sant Adrià de Besòs Sant Adrià de Besòs: 16,260 persons 16,260 Barberà del Vallès Barberà del Vallès: 15,425 persons 15,425 Sant Pere de Ribes Sant Pere de Ribes: 14,660 persons 14,660 Sitges Sitges: 13,585 persons 13,585 Pineda de Mar Pineda de Mar: 13,290 persons 13,290 Martorell Martorell: 13,045 persons 13,045 Molins de Rei Molins de Rei: 13,040 persons 13,040 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,880 persons 12,880 Premià de Mar Premià de Mar: 12,785 persons 12,785 Sant Andreu de la Barca Sant Andreu de la Barca: 12,505 persons 12,505 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,225 persons 12,225 Castellar del Vallès Castellar del Vallès: 12,140 persons 12,140 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities July 2026persons Change on July 2025 1 Barcelona 766,625 +2.9% 2 L'Hospitalet de Llobregat 129,370 +5.2% 3 Terrassa 105,005 +3.6% 4 Sabadell 100,680 +3.8% 5 Badalona 99,780 +3% 6 Mataró 58,140 +3.5% 7 Santa Coloma de Gramenet 52,560 +4.5% 8 Sant Cugat del Vallès 43,485 +1.1% 9 Cornellà de Llobregat 41,935 +3.6% 10 Sant Boi de Llobregat 38,330 +2.3% 11 Rubí 37,450 +2.9% 12 Manresa 33,475 +4.3% 13 Viladecans 32,780 +4.2% 14 Vilanova i la Geltrú 31,495 +4.3% 15 Castelldefels 31,000 +1.5% 16 Granollers 29,850 +3.8% 17 El Prat de Llobregat 29,595 +2% 18 Cerdanyola del Vallès 25,795 +2.2% 19 Mollet del Vallès 24,180 +3.6% 20 Vic 23,890 +4.2% 21 Gavà 21,305 +1.5% 22 Sant Feliu de Llobregat 21,195 +1.5% 23 Esplugues de Llobregat 20,575 +3% 24 Vilafranca del Penedès 18,980 +3.5% 25 Ripollet 18,340 +3.1% 26 Igualada 17,795 +2.4% 27 Montcada i Reixac 17,110 +3.5% 28 Sant Joan Despí 17,095 +2.4% 29 Sant Adrià de Besòs 16,260 +3.2% 30 Barberà del Vallès 15,425 +1.4% 31 Sant Pere de Ribes 14,660 +3.8% 32 Sitges 13,585 +1.3% 33 Pineda de Mar 13,290 +3.7% 34 Martorell 13,045 +3.8% 35 Molins de Rei 13,040 +1.9% 36 Sant Vicenç dels Horts 12,880 +1.7% 37 Premià de Mar 12,785 +1% 38 Sant Andreu de la Barca 12,505 +2.9% 39 Santa Perpètua de Mogoda 12,225 +3.3% 40 Castellar del Vallès 12,140 +1.8% 41 Olesa de Montserrat 11,510 +3.8% 42 El Masnou 11,370 +2% 43 Esparreguera 10,480 +3% 44 Les Franqueses del Vallès 10,035 +4.2% 45 Calella 9,370 +3.2% 46 Sant Just Desvern 9,335 +1.6% 46 Sant Quirze del Vallès 9,335 +1.8% 48 Vilassar de Mar 9,310 +0.6% 49 Malgrat de Mar 9,145 +2.6% 50 Manlleu 9,010 +3.2% 51 Parets del Vallès 9,000 +1.9% 52 Cardedeu 8,925 +2.5% 53 Caldes de Montbui 8,825 +1.3% 54 Sant Celoni 8,575 +3.8% 55 Tordera 8,525 +3.7% 56 Lliçà d'Amunt 8,235 +3.5% 57 Piera 8,205 +4.9% 58 La Garriga 8,195 +2.2% 59 Cubelles 7,975 +3% 60 Montornès del Vallès 7,815 +2.8% 61 Corbera de Llobregat 7,780 +2.7% 62 Vallirana 7,760 +2.6% 63 Palau-solità i Plegamans 7,485 +2.3% 64 Arenys de Mar 7,325 +3.4% 65 Berga 7,150 +4.4% 66 Canovelles 7,145 +2.3% 67 Torelló 7,040 +2.2% 68 Canet de Mar 6,620 +1.9% 69 Abrera 6,400 +3.3% 70 Castellbisbal 6,360 +2.3% 71 Montgat 6,145 +2.2% 72 Sant Sadurní d'Anoia 5,975 +1.7% 73 Argentona 5,945 +2% 74 La Llagosta 5,860 +1.4% 75 Pallejà 5,785 +2.8% 76 La Roca del Vallès 5,590 +2.5% 76 Vilanova del Camí 5,590 +3.3% 78 Llinars del Vallès 5,385 +3.5% 79 Sant Andreu de Llavaneres 5,290 +1.1% 80 Bigues i Riells del Fai 5,100 +4.1% 81 Badia del Vallès 5,070 +2% 82 Palafolls 5,035 +0.4% 83 Sant Joan de Vilatorrada 5,010 +0.6% 84 Masquefa 4,950 +3.6% 85 Premià de Dalt 4,750 +0.3% 86 Sentmenat 4,700 +2.7% 87 Cervelló 4,695 +3.3% 88 Matadepera 4,685 +2.3% 89 L'Ametlla del Vallès 4,660 +2.3% 90 Santa Maria de Palautordera 4,615 +2.8% 90 Tiana 4,615 +2.4% 92 Sant Fruitós de Bages 4,450 +1% 93 Arenys de Munt 4,445 +1.8% 94 Sant Esteve Sesrovires 4,385 +3.7% 95 Alella 4,295 +1.9% 96 Polinyà 4,270 +2.8% 97 Sant Fost de Campsentelles 4,265 +2.2% 98 Tona 4,255 +2.8% 99 Vilassar de Dalt 4,240 +1.2% 100 Sant Vicenç de Castellet 4,220 +1.3% 101 Santa Margarida de Montbui 4,195 +3.5% 102 Montmeló 4,150 +2.7% 103 Santa Coloma de Cervelló 4,115 +2% 104 Vacarisses 3,970 +4.6% 105 Gelida 3,850 +2.4% 106 Santa Eulàlia de Ronçana 3,790 +2.2% 107 Centelles 3,770 +1.1% 108 Begues 3,710 +3.1% 109 Viladecavalls 3,685 +1.1% 110 Santpedor 3,630 +1.3% 111 Cabrils 3,560 +1.7% 112 Santa Margarida i els Monjos 3,465 +3.1% 113 Sant Feliu de Codines 3,350 +2.8% 114 Taradell 3,325 +2% 115 Roda de Ter 3,320 +4.1% 116 Lliçà de Vall 3,300 +2.3% 117 Moià 3,185 +1.3% 118 Sant Antoni de Vilamajor 3,155 +0.5% 119 Dosrius 3,130 +2% 120 Torrelles de Llobregat 3,115 +2% 121 Sant Vicenç de Montalt 3,110 +1.8% 122 Teià 3,030 +0.5% 123 Vilanova del Vallès 2,945 +3.5% 124 Sallent 2,845 +0.2% 125 Artés 2,835 +2.2% 126 Navarcles 2,790 +1.3% 127 Canyelles 2,745 +5.8% 128 Navàs 2,715 +0.6% 129 Sant Pere de Vilamajor 2,520 +1.8% 130 Sant Pol de Mar 2,495 +1.8% 130 Súria 2,495 +4.2% 132 Collbató 2,460 +4.7% 133 Cabrera de Mar 2,410 +2.8% 134 Capellades 2,385 +3.2% 135 Martorelles 2,290 +6.3% 136 El Papiol 2,160 +3.3% 137 Sant Climent de Llobregat 2,075 +2.2% 138 Olivella 2,030 +4.9% 139 Gironella 1,970 +1.8% 140 Seva 1,925 +1.9% 141 Olèrdola 1,910 +2.4% 142 La Torre de Claramunt 1,900 +5.8% 143 Castellbell i el Vilar 1,895 +3.6% 143 Sant Cebrià de Vallalta 1,895 +5.9% 145 Santa Susanna 1,885 +0.5% 146 Balenyà 1,880 +2.5% 147 Puig-reig 1,865 +2.2% 148 El Pont de Vilomara i Rocafort 1,850 +1.9% 149 Sant Hipòlit de Voltregà 1,820 +2.2% 150 Cardona 1,800 +3.2% 151 Sant Julià de Vilatorta 1,755 +3.5% 152 Òdena 1,710 +0.6% 153 Sant Salvador de Guardiola 1,690 +3% 154 Vallgorguina 1,665 +1.8% 155 Cànoves i Samalús 1,640 +0.3% 155 Les Masies de Voltregà 1,640 -0.6% 157 Els Hostalets de Pierola 1,575 +4.3% 157 Sant Martí Sarroca 1,575 +1.9% 159 Subirats 1,545 +1.6% 160 Caldes d'Estrac 1,475 +0.3% 161 Calaf 1,465 +2.4% 162 La Palma de Cervelló 1,445 +1.8% 162 Monistrol de Montserrat 1,445 +0.7% 164 Balsareny 1,435 +0.7% 165 Sant Esteve de Palautordera 1,425 +1.4% 166 Gurb 1,360 -1.1% 167 Vallromanes 1,355 +1.5% 168 Calldetenes 1,300 0% 169 Sant Llorenç d'Hortons 1,275 +3.7% 170 Castellet i la Gornal 1,260 +4.1% 171 Aiguafreda 1,255 +2.9% 172 Folgueroles 1,240 +4.6% 173 Castellterçol 1,235 +0.8% 174 Prats de Lluçanès 1,230 +1.2% 175 El Bruc 1,205 +3.4% 175 Sant Pere de Torelló 1,205 +3.4% 177 Santa Eugènia de Berga 1,175 +3.1% 178 Sant Pere de Riudebitlles 1,145 +1.8% 179 Castellgalí 1,140 +3.6% 180 Mediona 1,135 +4.1% 181 Sant Llorenç Savall 1,130 +2.7% 182 Ullastrell 1,105 +1.8% 183 Avinyó 1,095 +2.8% 183 La Pobla de Claramunt 1,095 +1.4% 183 Sant Quintí de Mediona 1,095 +6.8% 186 La Granada 1,085 +5.3% 186 Olesa de Bonesvalls 1,085 +4.8% 188 Torrelles de Foix 1,075 +9.7% 189 Avià 1,055 +1.4% 189 L'Esquirol 1,055 +2.9% 191 Castellví de Rosanes 1,030 +1% 192 Sant Vicenç de Torelló 1,025 -0.5% 193 Callús 985 +3.1% 193 Sant Quirze de Besora 985 +2.6% 195 Bagà 890 0% 196 Avinyonet del Penedès 865 +0.6% 197 Gualba 850 +3.7% 198 Cabrera d'Anoia 810 +6.6% 198 Castellví de la Marca 810 +4.5% 198 Torrelavit 810 +2.5% 201 Santa Eulàlia de Riuprimer 780 +3.3% 202 Castellnou de Bages 770 +4.1% 203 Fogars de la Selva 755 0% 204 Fonollosa 740 +1.4% 205 Casserres 725 +5.1% 206 Sant Iscle de Vallalta 720 +5.1% 207 Font-rubí 670 +9.8% 208 El Pla del Penedès 665 +6.4% 208 Vallbona d'Anoia 665 +10.8% 210 Sant Martí de Centelles 595 0% 211 Olost 585 0% 212 Sant Martí de Tous 580 -1.7% 213 Calders 570 -1.7% 214 Figaró-Montmany 555 +2.8% 215 Cercs 510 +4.1% 216 Les Cabanyes 505 +4.1% 216 Santa Maria d'Oló 505 +2% 218 Vilobí del Penedès 490 +1% 219 Montesquiu 485 +5.4% 220 Sant Cugat Sesgarrigues 475 +1.1% 221 Jorba 445 +2.3% 222 Rellinars 440 -1.1% 223 Pacs del Penedès 420 -1.2% 223 Santa Maria de Martorelles 420 +1.2% 225 La Llacuna 415 +6.4% 226 Olvan 410 0% 227 La Pobla de Lillet 395 +9.7% 227 Sant Bartomeu del Grau 395 +3.9% 229 Vilalba Sasserra 390 +2.6% 230 Òrrius 385 +2.7% 231 Guardiola de Berguedà 380 0% 231 Muntanyola 380 +8.6% 233 Castellcir 375 -2.6% 234 Carme 360 +2.9% 235 Castellolí 355 +2.9% 235 Les Masies de Roda 355 -2.7% 237 Monistrol de Calders 330 +3.1% 238 Rajadell 315 0% 238 Sant Quirze Safaja 315 -6% 240 Sant Mateu de Bages 295 +3.5% 241 Puigdàlber 285 +9.6% 242 Campins 280 +3.7% 243 Sant Feliu Sasserra 275 +5.8% 244 Oristà 255 0% 245 Els Prats de Rei 250 +11.1% 246 Castellfollit del Boix 225 +2.3% 247 Pontons 220 +10% 248 Montmajor 210 -2.3% 248 Perafita 210 +5% 248 Sant Boi de Lluçanès 210 -2.3%
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 766,625 in July 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in July 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 