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 September 2025, at 752,615. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,615. Source: the Institut d'Estadística de Catalunya.
Median 1,615 311 municipalities
Barcelona Barcelona: 752,615 persons 752,615 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 123,600 persons 123,600 Terrassa Terrassa: 103,065 persons 103,065 Sabadell Sabadell: 98,205 persons 98,205 Badalona Badalona: 98,035 persons 98,035 Mataró Mataró: 56,290 persons 56,290 Santa Coloma de Gramenet Santa Coloma de Gramenet: 50,560 persons 50,560 Sant Cugat del Vallès Sant Cugat del Vallès: 43,880 persons 43,880 Cornellà de Llobregat Cornellà de Llobregat: 40,890 persons 40,890 Sant Boi de Llobregat Sant Boi de Llobregat: 37,960 persons 37,960 Rubí Rubí: 36,885 persons 36,885 Manresa Manresa: 32,505 persons 32,505 Viladecans Viladecans: 31,835 persons 31,835 Vilanova i la Geltrú Vilanova i la Geltrú: 30,385 persons 30,385 Castelldefels Castelldefels: 30,350 persons 30,350 El Prat de Llobregat El Prat de Llobregat: 29,195 persons 29,195 Granollers Granollers: 29,005 persons 29,005 Cerdanyola del Vallès Cerdanyola del Vallès: 25,565 persons 25,565 Mollet del Vallès Mollet del Vallès: 23,605 persons 23,605 Vic Vic: 22,920 persons 22,920 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,115 persons 21,115 Gavà Gavà: 21,055 persons 21,055 Esplugues de Llobregat Esplugues de Llobregat: 20,200 persons 20,200 Vilafranca del Penedès Vilafranca del Penedès: 18,505 persons 18,505 Ripollet Ripollet: 18,085 persons 18,085 Igualada Igualada: 17,460 persons 17,460 Sant Joan Despí Sant Joan Despí: 16,935 persons 16,935 Montcada i Reixac Montcada i Reixac: 16,745 persons 16,745 Sant Adrià de Besòs Sant Adrià de Besòs: 15,860 persons 15,860 Barberà del Vallès Barberà del Vallès: 15,510 persons 15,510 Sant Pere de Ribes Sant Pere de Ribes: 14,195 persons 14,195 Sitges Sitges: 13,235 persons 13,235 Molins de Rei Molins de Rei: 12,860 persons 12,860 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,820 persons 12,820 Martorell Martorell: 12,815 persons 12,815 Premià de Mar Premià de Mar: 12,720 persons 12,720 Pineda de Mar Pineda de Mar: 12,415 persons 12,415 Sant Andreu de la Barca Sant Andreu de la Barca: 12,365 persons 12,365 Castellar del Vallès Castellar del Vallès: 12,080 persons 12,080 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 11,990 persons 11,990 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities September 2025persons Change on September 2024 1 Barcelona 752,615 +0.9% 2 L'Hospitalet de Llobregat 123,600 +2.7% 3 Terrassa 103,065 +2% 4 Sabadell 98,205 +2.5% 5 Badalona 98,035 +1.6% 6 Mataró 56,290 +1.2% 7 Santa Coloma de Gramenet 50,560 +2.3% 8 Sant Cugat del Vallès 43,880 +0.5% 9 Cornellà de Llobregat 40,890 +2.4% 10 Sant Boi de Llobregat 37,960 +2% 11 Rubí 36,885 +2.3% 12 Manresa 32,505 +2.4% 13 Viladecans 31,835 +2.6% 14 Vilanova i la Geltrú 30,385 +3.3% 15 Castelldefels 30,350 0% 16 El Prat de Llobregat 29,195 +1.5% 17 Granollers 29,005 +1.9% 18 Cerdanyola del Vallès 25,565 +0.7% 19 Mollet del Vallès 23,605 +2% 20 Vic 22,920 +2.5% 21 Sant Feliu de Llobregat 21,115 +1.3% 22 Gavà 21,055 +1.1% 23 Esplugues de Llobregat 20,200 +2.2% 24 Vilafranca del Penedès 18,505 +2.4% 25 Ripollet 18,085 +1.6% 26 Igualada 17,460 +1.4% 27 Sant Joan Despí 16,935 +2.3% 28 Montcada i Reixac 16,745 +0.8% 29 Sant Adrià de Besòs 15,860 +0.3% 30 Barberà del Vallès 15,510 +1.4% 31 Sant Pere de Ribes 14,195 +1% 32 Sitges 13,235 +0.7% 33 Molins de Rei 12,860 +1.8% 34 Sant Vicenç dels Horts 12,820 +2.1% 35 Martorell 12,815 +3.5% 36 Premià de Mar 12,720 +1.1% 37 Pineda de Mar 12,415 +3.5% 38 Sant Andreu de la Barca 12,365 +0.6% 39 Castellar del Vallès 12,080 +1.7% 40 Santa Perpètua de Mogoda 11,990 +1.2% 41 Olesa de Montserrat 11,240 +1.5% 42 El Masnou 11,225 +1.6% 43 Esparreguera 10,360 +1.6% 44 Les Franqueses del Vallès 9,795 +1.7% 45 Vilassar de Mar 9,285 -0.4% 46 Sant Quirze del Vallès 9,270 -0.2% 47 Sant Just Desvern 9,265 +0.1% 48 Parets del Vallès 8,975 +0.8% 49 Cardedeu 8,865 +2.2% 50 Caldes de Montbui 8,785 +2% 51 Manlleu 8,715 +2.3% 52 Calella 8,710 +2.2% 53 Malgrat de Mar 8,545 +1.8% 54 Sant Celoni 8,310 +1% 55 La Garriga 8,115 +0.4% 55 Lliçà d'Amunt 8,115 +1.7% 57 Tordera 8,045 +2% 58 Piera 7,935 +2.1% 59 Cubelles 7,785 +3.2% 60 Montornès del Vallès 7,710 +1.4% 61 Corbera de Llobregat 7,660 +1.9% 61 Vallirana 7,660 +1.8% 63 Palau-solità i Plegamans 7,410 +2.5% 64 Arenys de Mar 7,035 +1.5% 65 Canovelles 6,940 +0.5% 66 Torelló 6,890 +3.2% 67 Berga 6,815 +1% 68 Canet de Mar 6,410 +2.6% 69 Castellbisbal 6,310 +1.6% 70 Abrera 6,265 +1.7% 71 Montgat 6,075 +0.7% 72 Sant Sadurní d'Anoia 5,955 +1% 73 Argentona 5,915 +1% 74 La Llagosta 5,765 +1.1% 75 Pallejà 5,670 +1% 76 Vilanova del Camí 5,495 +0.4% 77 La Roca del Vallès 5,485 +2.7% 78 Llinars del Vallès 5,230 +3.5% 79 Sant Andreu de Llavaneres 5,210 +0.1% 80 Badia del Vallès 5,010 +0.8% 80 Sant Joan de Vilatorrada 5,010 +1.6% 82 Bigues i Riells del Fai 4,995 +1.5% 83 Masquefa 4,820 +2.4% 84 Palafolls 4,810 +1.1% 85 Premià de Dalt 4,760 +1.1% 86 Matadepera 4,650 +2.5% 87 Sentmenat 4,645 +1.6% 88 Cervelló 4,610 +0.8% 89 L'Ametlla del Vallès 4,595 +1.1% 90 Tiana 4,575 +1.4% 91 Santa Maria de Palautordera 4,530 +1.6% 92 Sant Fruitós de Bages 4,440 +1% 93 Arenys de Munt 4,335 +1% 94 Sant Esteve Sesrovires 4,260 +3.4% 95 Polinyà 4,255 +1.9% 96 Alella 4,245 -0.1% 97 Sant Fost de Campsentelles 4,215 +1.7% 98 Vilassar de Dalt 4,200 +0.7% 99 Sant Vicenç de Castellet 4,185 +1.3% 100 Santa Margarida de Montbui 4,140 +1.5% 101 Tona 4,135 +1.2% 102 Santa Coloma de Cervelló 4,130 +3.1% 103 Montmeló 4,080 +1.1% 104 Vacarisses 3,895 +4.3% 105 Santa Eulàlia de Ronçana 3,790 +2.7% 106 Gelida 3,785 +2.2% 107 Centelles 3,715 +2.1% 108 Viladecavalls 3,700 +1.9% 109 Begues 3,640 +1.7% 110 Santpedor 3,605 +1% 111 Cabrils 3,515 +0.6% 112 Santa Margarida i els Monjos 3,400 +0.6% 113 Sant Feliu de Codines 3,320 +4.6% 114 Lliçà de Vall 3,260 +0.9% 115 Taradell 3,230 -0.2% 116 Roda de Ter 3,210 +1.3% 117 Moià 3,165 +1.4% 118 Sant Antoni de Vilamajor 3,150 +1% 119 Torrelles de Llobregat 3,125 +1.6% 120 Dosrius 3,080 +0.7% 121 Sant Vicenç de Montalt 3,030 +2.9% 121 Teià 3,030 +3.2% 123 Sallent 2,835 +1.4% 124 Vilanova del Vallès 2,830 -0.9% 125 Artés 2,820 +1.6% 126 Navarcles 2,765 +0.7% 127 Navàs 2,685 +1.1% 128 Canyelles 2,615 +3.8% 129 Sant Pere de Vilamajor 2,510 +2.2% 130 Súria 2,440 +2.7% 131 Collbató 2,405 +2.3% 132 Sant Pol de Mar 2,365 -0.4% 133 Cabrera de Mar 2,360 -0.4% 134 Capellades 2,310 -0.9% 135 Martorelles 2,195 +2.1% 136 El Papiol 2,125 +1.9% 137 Sant Climent de Llobregat 2,060 +0.7% 138 Olivella 1,955 +4.8% 139 Gironella 1,940 -0.3% 140 Seva 1,895 +0.3% 141 Olèrdola 1,880 +2.2% 142 Castellbell i el Vilar 1,860 +1.4% 143 Balenyà 1,855 +3.1% 144 El Pont de Vilomara i Rocafort 1,840 0% 145 La Torre de Claramunt 1,820 +2.2% 146 Puig-reig 1,805 +1.1% 147 Santa Susanna 1,800 +2% 148 Sant Cebrià de Vallalta 1,780 +2% 149 Sant Hipòlit de Voltregà 1,775 +1.1% 150 Cardona 1,725 +0.3% 151 Sant Julià de Vilatorta 1,690 +2.4% 152 Òdena 1,680 -0.9% 153 Sant Salvador de Guardiola 1,655 +2.8% 154 Cànoves i Samalús 1,650 +1.2% 155 Vallgorguina 1,625 +2.5% 156 Les Masies de Voltregà 1,615 +1.9% 157 Sant Martí Sarroca 1,575 +2.6% 158 Subirats 1,530 -0.3% 159 Els Hostalets de Pierola 1,510 +2% 160 La Palma de Cervelló 1,460 +0.3% 161 Caldes d'Estrac 1,425 +0.7% 161 Monistrol de Montserrat 1,425 +3.3% 163 Balsareny 1,420 +0.4% 164 Calaf 1,410 +1.1% 165 Sant Esteve de Palautordera 1,405 -1.4% 166 Gurb 1,350 0% 167 Vallromanes 1,335 +1.9% 168 Calldetenes 1,295 -1.1% 169 Sant Llorenç d'Hortons 1,235 0% 170 Aiguafreda 1,230 +1.7% 171 Castellterçol 1,225 +1.7% 172 Castellet i la Gornal 1,220 +5.6% 173 Prats de Lluçanès 1,215 +2.1% 174 El Bruc 1,190 +3.5% 174 Sant Pere de Torelló 1,190 +2.6% 176 Folgueroles 1,165 +1.7% 177 Santa Eugènia de Berga 1,155 +2.2% 178 Castellgalí 1,120 +4.2% 179 Sant Pere de Riudebitlles 1,115 +3.2% 180 Mediona 1,105 +3.3% 180 Sant Llorenç Savall 1,105 -1.3% 182 Ullastrell 1,090 +0.5% 183 La Pobla de Claramunt 1,080 +2.4% 184 Olesa de Bonesvalls 1,075 +5.9% 185 Avinyó 1,065 +4.4% 186 La Granada 1,060 0% 187 Sant Quintí de Mediona 1,050 +4% 188 Avià 1,040 +2.5% 188 Sant Vicenç de Torelló 1,040 +2% 190 Castellví de Rosanes 1,015 0% 190 L'Esquirol 1,015 -1% 190 Torrelles de Foix 1,015 +3.6% 193 Sant Quirze de Besora 955 +2.7% 194 Callús 950 +3.8% 195 Bagà 885 +2.3% 196 Avinyonet del Penedès 870 +4.2% 197 Gualba 820 +2.5% 198 Castellví de la Marca 795 +0.6% 198 Torrelavit 795 +3.2% 200 Cabrera d'Anoia 775 +3.3% 201 Santa Eulàlia de Riuprimer 755 +1.3% 202 Castellnou de Bages 750 +7.1% 202 Fonollosa 750 +2.7% 204 Fogars de la Selva 745 +0.7% 205 Casserres 700 +6.9% 206 Sant Iscle de Vallalta 675 +3.1% 207 El Pla del Penedès 635 +3.3% 208 Font-rubí 625 +2.5% 209 Vallbona d'Anoia 620 +3.3% 210 Sant Martí de Centelles 600 +1.7% 211 Sant Martí de Tous 590 +3.5% 212 Calders 580 +3.6% 213 Olost 570 +0.9% 214 Figaró-Montmany 545 0% 215 Vilobí del Penedès 515 +3% 216 Cercs 495 +4.2% 216 Les Cabanyes 495 0% 218 Santa Maria d'Oló 480 -1% 219 Sant Cugat Sesgarrigues 475 +1.1% 220 Montesquiu 460 +1.1% 221 Rellinars 450 +2.3% 222 Jorba 440 +3.5% 223 Santa Maria de Martorelles 420 -1.2% 224 Olvan 410 +1.2% 224 Pacs del Penedès 410 -2.4% 226 La Llacuna 390 +2.6% 226 Òrrius 390 -2.5% 226 Sant Bartomeu del Grau 390 +4% 229 Castellcir 380 -1.3% 229 Vilalba Sasserra 380 +1.3% 231 Guardiola de Berguedà 370 +2.8% 232 La Pobla de Lillet 360 -4% 233 Les Masies de Roda 355 0% 233 Muntanyola 355 +4.4% 235 Carme 345 +4.5% 236 Sant Quirze Safaja 340 +3% 237 Castellolí 335 -1.5% 238 Monistrol de Calders 320 0% 238 Rajadell 320 +4.9% 240 Sant Mateu de Bages 280 +3.7% 241 Campins 275 -1.8% 242 Sant Feliu Sasserra 270 +1.9% 243 Puigdàlber 265 0% 244 Oristà 255 +2% 245 Castellfollit del Boix 230 +4.5% 245 Els Prats de Rei 230 0% 247 Fogars de Montclús 225 -8.2% 248 Montmajor 215 0% 249 Pontons 210 +16.7% 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 752,615 in September 2025, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in September 2025.
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 