Data / Rankings / Social Security affiliates / Municipalities in Barcelona province
Municipalities in Barcelona province by social Security affiliates, August 2026
Barcelona had the highest social Security affiliates of 311 municipalities in August 2026, at 765,320. Sant Jaume de Frontanyà had the lowest, at 10. The median was 1,610. Source: the Institut d'Estadística de Catalunya.
Median 1,610 311 municipalities
Barcelona Barcelona: 765,320 persons 765,320 L'Hospitalet de Llobregat L'Hospitalet de Llobregat: 130,135 persons 130,135 Terrassa Terrassa: 104,520 persons 104,520 Sabadell Sabadell: 100,170 persons 100,170 Badalona Badalona: 99,360 persons 99,360 Mataró Mataró: 57,985 persons 57,985 Santa Coloma de Gramenet Santa Coloma de Gramenet: 52,615 persons 52,615 Sant Cugat del Vallès Sant Cugat del Vallès: 42,935 persons 42,935 Cornellà de Llobregat Cornellà de Llobregat: 41,830 persons 41,830 Sant Boi de Llobregat Sant Boi de Llobregat: 38,125 persons 38,125 Rubí Rubí: 37,415 persons 37,415 Manresa Manresa: 33,465 persons 33,465 Viladecans Viladecans: 32,605 persons 32,605 Vilanova i la Geltrú Vilanova i la Geltrú: 31,310 persons 31,310 Castelldefels Castelldefels: 30,735 persons 30,735 Granollers Granollers: 29,865 persons 29,865 El Prat de Llobregat El Prat de Llobregat: 29,415 persons 29,415 Cerdanyola del Vallès Cerdanyola del Vallès: 25,540 persons 25,540 Mollet del Vallès Mollet del Vallès: 24,050 persons 24,050 Vic Vic: 23,860 persons 23,860 Gavà Gavà: 21,195 persons 21,195 Sant Feliu de Llobregat Sant Feliu de Llobregat: 21,070 persons 21,070 Esplugues de Llobregat Esplugues de Llobregat: 20,565 persons 20,565 Vilafranca del Penedès Vilafranca del Penedès: 19,055 persons 19,055 Ripollet Ripollet: 18,245 persons 18,245 Igualada Igualada: 17,800 persons 17,800 Montcada i Reixac Montcada i Reixac: 16,980 persons 16,980 Sant Joan Despí Sant Joan Despí: 16,965 persons 16,965 Sant Adrià de Besòs Sant Adrià de Besòs: 16,240 persons 16,240 Barberà del Vallès Barberà del Vallès: 15,315 persons 15,315 Sant Pere de Ribes Sant Pere de Ribes: 14,565 persons 14,565 Sitges Sitges: 13,485 persons 13,485 Pineda de Mar Pineda de Mar: 13,150 persons 13,150 Martorell Martorell: 13,060 persons 13,060 Molins de Rei Molins de Rei: 12,920 persons 12,920 Sant Vicenç dels Horts Sant Vicenç dels Horts: 12,800 persons 12,800 Premià de Mar Premià de Mar: 12,705 persons 12,705 Sant Andreu de la Barca Sant Andreu de la Barca: 12,380 persons 12,380 Santa Perpètua de Mogoda Santa Perpètua de Mogoda: 12,090 persons 12,090 Castellar del Vallès Castellar del Vallès: 12,065 persons 12,065 persons. Source: Idescat . Retrieved 2026-10-07. Full ranking Rank Municipalities August 2026persons Change on August 2025 1 Barcelona 765,320 +2.5% 2 L'Hospitalet de Llobregat 130,135 +5.5% 3 Terrassa 104,520 +3.4% 4 Sabadell 100,170 +3.3% 5 Badalona 99,360 +2.5% 6 Mataró 57,985 +3.4% 7 Santa Coloma de Gramenet 52,615 +4.4% 8 Sant Cugat del Vallès 42,935 -0.1% 9 Cornellà de Llobregat 41,830 +3.4% 10 Sant Boi de Llobregat 38,125 +2% 11 Rubí 37,415 +2.9% 12 Manresa 33,465 +4.2% 13 Viladecans 32,605 +4% 14 Vilanova i la Geltrú 31,310 +3.5% 15 Castelldefels 30,735 +0.8% 16 Granollers 29,865 +4.1% 17 El Prat de Llobregat 29,415 +1.3% 18 Cerdanyola del Vallès 25,540 +1.1% 19 Mollet del Vallès 24,050 +3.4% 20 Vic 23,860 +4.1% 21 Gavà 21,195 +1.2% 22 Sant Feliu de Llobregat 21,070 +1.1% 23 Esplugues de Llobregat 20,565 +2.6% 24 Vilafranca del Penedès 19,055 +3.3% 25 Ripollet 18,245 +2.3% 26 Igualada 17,800 +2.9% 27 Montcada i Reixac 16,980 +2.8% 28 Sant Joan Despí 16,965 +2.1% 29 Sant Adrià de Besòs 16,240 +3% 30 Barberà del Vallès 15,315 +0.4% 31 Sant Pere de Ribes 14,565 +3% 32 Sitges 13,485 +0.8% 33 Pineda de Mar 13,150 +2.1% 34 Martorell 13,060 +4.4% 35 Molins de Rei 12,920 +1.2% 36 Sant Vicenç dels Horts 12,800 +1.5% 37 Premià de Mar 12,705 +0.1% 38 Sant Andreu de la Barca 12,380 +2.4% 39 Santa Perpètua de Mogoda 12,090 +2.1% 40 Castellar del Vallès 12,065 +1.5% 41 Olesa de Montserrat 11,465 +3.6% 42 El Masnou 11,290 +1.6% 43 Esparreguera 10,440 +3.4% 44 Les Franqueses del Vallès 10,005 +3.8% 45 Calella 9,270 +1.8% 46 Sant Just Desvern 9,260 +1.3% 47 Sant Quirze del Vallès 9,230 +1.3% 48 Vilassar de Mar 9,185 -0.2% 49 Malgrat de Mar 9,050 +1.3% 50 Manlleu 8,985 +3.4% 51 Parets del Vallès 8,960 +1.9% 52 Cardedeu 8,855 +2% 53 Caldes de Montbui 8,750 +0.3% 54 Sant Celoni 8,525 +3.2% 55 Tordera 8,480 +3.5% 56 Piera 8,210 +4.8% 57 Lliçà d'Amunt 8,190 +2.8% 58 La Garriga 8,130 +1.8% 59 Cubelles 7,935 +2.9% 60 Montornès del Vallès 7,780 +2.3% 61 Corbera de Llobregat 7,760 +2.9% 62 Vallirana 7,690 +1.7% 63 Palau-solità i Plegamans 7,430 +1.5% 64 Arenys de Mar 7,245 +2.9% 65 Canovelles 7,125 +3% 66 Berga 7,100 +3.6% 67 Torelló 6,970 +1.8% 68 Canet de Mar 6,540 +1.1% 69 Abrera 6,365 +3.4% 70 Castellbisbal 6,300 +1.4% 71 Montgat 6,105 +1.7% 72 Sant Sadurní d'Anoia 5,955 +0.3% 73 Argentona 5,910 +1.8% 74 La Llagosta 5,870 +1.6% 75 Pallejà 5,720 +2.2% 76 Vilanova del Camí 5,590 +3.2% 77 La Roca del Vallès 5,535 +1.8% 78 Llinars del Vallès 5,330 +2.9% 79 Sant Andreu de Llavaneres 5,230 +0.1% 80 Bigues i Riells del Fai 5,070 +3.8% 81 Badia del Vallès 5,055 +2.1% 82 Sant Joan de Vilatorrada 4,960 -0.2% 83 Masquefa 4,935 +4% 84 Palafolls 4,930 -1.3% 85 Premià de Dalt 4,700 -0.8% 86 Cervelló 4,665 +2.5% 87 Sentmenat 4,650 +1.9% 88 Matadepera 4,625 +1.3% 89 L'Ametlla del Vallès 4,620 +1.5% 90 Tiana 4,585 +2.2% 91 Santa Maria de Palautordera 4,560 +1.8% 92 Sant Fruitós de Bages 4,455 +1.4% 93 Arenys de Munt 4,380 +0.8% 94 Sant Esteve Sesrovires 4,320 +2.6% 95 Polinyà 4,260 +1.9% 96 Alella 4,255 +1.1% 97 Sant Fost de Campsentelles 4,225 +1.7% 98 Vilassar de Dalt 4,215 +1% 99 Tona 4,190 +2.2% 100 Santa Margarida de Montbui 4,180 +3.2% 101 Sant Vicenç de Castellet 4,175 +0.5% 102 Montmeló 4,125 +2.6% 103 Santa Coloma de Cervelló 4,105 +1.7% 104 Vacarisses 3,935 +4% 105 Gelida 3,825 +2.7% 106 Santa Eulàlia de Ronçana 3,755 +1.1% 107 Centelles 3,710 +0.3% 108 Begues 3,665 +2.2% 109 Viladecavalls 3,645 +0.6% 110 Santpedor 3,600 +1.4% 111 Cabrils 3,525 +0.9% 112 Santa Margarida i els Monjos 3,490 +3.4% 113 Sant Feliu de Codines 3,325 +2.3% 114 Taradell 3,300 +1.2% 115 Roda de Ter 3,295 +3.3% 116 Lliçà de Vall 3,290 +2% 117 Moià 3,160 +1% 118 Sant Antoni de Vilamajor 3,135 +0.3% 119 Dosrius 3,115 +1.8% 120 Torrelles de Llobregat 3,100 +1.5% 121 Sant Vicenç de Montalt 3,070 +2.2% 122 Teià 3,010 +1.2% 123 Vilanova del Vallès 2,895 +2.1% 124 Artés 2,840 +2.5% 124 Sallent 2,840 +0.2% 126 Navarcles 2,770 +0.5% 127 Canyelles 2,720 +4.8% 128 Navàs 2,695 +0.6% 129 Sant Pere de Vilamajor 2,485 +0.8% 129 Súria 2,485 +4.2% 131 Sant Pol de Mar 2,470 +1.6% 132 Collbató 2,435 +3.6% 133 Capellades 2,380 +3.3% 134 Cabrera de Mar 2,370 +1.5% 135 Martorelles 2,285 +6% 136 El Papiol 2,130 +2.4% 137 Sant Climent de Llobregat 2,065 +1.2% 138 Olivella 2,020 +4.1% 139 Gironella 1,965 +2.6% 140 Olèrdola 1,910 +3.2% 141 Seva 1,905 +0.8% 142 Castellbell i el Vilar 1,885 +3.9% 142 La Torre de Claramunt 1,885 +5.6% 144 Sant Cebrià de Vallalta 1,875 +5% 145 Puig-reig 1,855 +2.5% 145 Santa Susanna 1,855 0% 147 El Pont de Vilomara i Rocafort 1,850 +2.5% 148 Balenyà 1,835 +0.8% 149 Sant Hipòlit de Voltregà 1,810 +2.5% 150 Cardona 1,780 +1.4% 151 Sant Julià de Vilatorta 1,725 +2.1% 152 Òdena 1,700 +1.5% 153 Sant Salvador de Guardiola 1,675 +2.4% 154 Vallgorguina 1,660 +1.8% 155 Cànoves i Samalús 1,625 -0.3% 156 Les Masies de Voltregà 1,610 -1.2% 157 Els Hostalets de Pierola 1,575 +5% 157 Sant Martí Sarroca 1,575 +1.9% 159 Subirats 1,540 0% 160 Caldes d'Estrac 1,465 +0.3% 161 Calaf 1,455 +2.5% 162 La Palma de Cervelló 1,445 +1.4% 162 Monistrol de Montserrat 1,445 0% 164 Sant Esteve de Palautordera 1,410 +1.1% 165 Balsareny 1,405 -1.1% 166 Gurb 1,345 -2.2% 166 Vallromanes 1,345 +1.5% 168 Calldetenes 1,285 -1.2% 169 Castellet i la Gornal 1,260 +3.7% 169 Sant Llorenç d'Hortons 1,260 +2.4% 171 Aiguafreda 1,255 +2.9% 172 Prats de Lluçanès 1,220 +0.4% 173 Castellterçol 1,210 -1.2% 173 El Bruc 1,210 +3.9% 173 Folgueroles 1,210 +3.9% 176 Sant Pere de Torelló 1,200 +3% 177 Santa Eugènia de Berga 1,175 +3.5% 178 Sant Pere de Riudebitlles 1,155 +2.7% 179 Castellgalí 1,140 +3.6% 180 Mediona 1,130 +3.7% 181 Sant Llorenç Savall 1,120 +1.8% 182 Sant Quintí de Mediona 1,115 +8.8% 183 Olesa de Bonesvalls 1,095 +5.3% 183 Ullastrell 1,095 +1.4% 185 La Pobla de Claramunt 1,085 0% 185 Torrelles de Foix 1,085 +9% 187 La Granada 1,080 +3.8% 188 Avinyó 1,075 +0.9% 189 Avià 1,050 +1% 190 L'Esquirol 1,030 +0.5% 191 Castellví de Rosanes 1,025 +1% 192 Sant Vicenç de Torelló 1,010 -1% 193 Sant Quirze de Besora 980 +2.6% 194 Callús 975 +1.6% 195 Avinyonet del Penedès 865 +0.6% 195 Bagà 865 -1.7% 197 Gualba 835 +2.5% 198 Torrelavit 815 +1.2% 199 Cabrera d'Anoia 805 +5.9% 200 Castellví de la Marca 800 +1.9% 201 Santa Eulàlia de Riuprimer 775 +3.3% 202 Castellnou de Bages 770 +5.5% 203 Fogars de la Selva 745 0% 204 Fonollosa 725 -0.7% 205 Casserres 715 +5.1% 206 Sant Iscle de Vallalta 710 +3.6% 207 Font-rubí 680 +8.8% 208 El Pla del Penedès 670 +6.3% 209 Vallbona d'Anoia 650 +8.3% 210 Sant Martí de Centelles 600 +0.8% 211 Sant Martí de Tous 585 +0.9% 212 Olost 575 0% 213 Calders 570 -0.9% 214 Figaró-Montmany 550 +1.9% 215 Cercs 505 +3.1% 215 Les Cabanyes 505 +2% 215 Santa Maria d'Oló 505 +2% 218 Vilobí del Penedès 500 +3.1% 219 Montesquiu 480 +5.5% 219 Sant Cugat Sesgarrigues 480 +1.1% 221 Rellinars 445 0% 222 Jorba 430 -1.1% 223 Pacs del Penedès 420 0% 224 La Llacuna 415 +7.8% 224 Santa Maria de Martorelles 415 +1.2% 226 Olvan 405 0% 227 Vilalba Sasserra 395 +2.6% 228 Sant Bartomeu del Grau 390 +2.6% 229 La Pobla de Lillet 385 +6.9% 230 Òrrius 380 0% 231 Castellcir 375 -1.3% 231 Guardiola de Berguedà 375 0% 233 Muntanyola 370 +7.2% 234 Carme 360 +2.9% 235 Castellolí 355 +2.9% 235 Les Masies de Roda 355 -2.7% 237 Monistrol de Calders 330 +4.8% 238 Sant Quirze Safaja 320 -3% 239 Rajadell 315 -1.6% 240 Sant Mateu de Bages 295 +3.5% 241 Puigdàlber 280 +1.8% 242 Campins 270 0% 242 Sant Feliu Sasserra 270 +1.9% 244 Oristà 255 0% 245 Els Prats de Rei 245 +8.9% 246 Castellfollit del Boix 225 0% 247 Pontons 215 +7.5% 248 Montmajor 210 -2.3% 249 Fogars de Montclús 205 -10.9% 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 765,320 in August 2026, according to the Institut d'Estadística de Catalunya.
Which municipality has the lowest social Security affiliates? Sant Jaume de Frontanyà, with 10 in August 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 