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Ranking · Data 2025 · Source: BFS
The municipalities with the highest share of residents 65+ in canton Aargau (2025)
National ranking →Mönthal has the highest share of residents aged 65 and over in canton Aargau: 35.5% (2025). It is followed by Olsberg (29.5%) and Biberstein (28.4%). Source: BFS, STATPOP 2025.
Ranking
BFS · STATPOP · 2025| Rank | Municipality | Residents 65+ | Residents |
|---|---|---|---|
| 1 | Mönthal | 35.5% | 391 |
| 2 | Olsberg | 29.5% | 366 |
| 3 | Biberstein | 28.4% | 1'653 |
| 4 | Mellikon | 27.8% | 227 |
| 5 | Wegenstetten | 26.9% | 1'008 |
| 6 | Bellikon | 25.8% | 1'587 |
| 7 | Oberrohrdorf | 25.5% | 4'265 |
| 8 | Schneisingen | 25.5% | 1'551 |
| 9 | Bözberg | 25.4% | 1'696 |
| 10 | Widen | 25.2% | 3'909 |
| 11 | Habsburg | 25.1% | 430 |
| 12 | Thalheim | 25% | 984 |
| 13 | Densbüren | 24.7% | 784 |
| 14 | Birrwil | 24.6% | 1'416 |
| 15 | Mettauertal | 24.6% | 2'156 |
| 16 | Vordemwald | 24.6% | 2'026 |
| 17 | Wiliberg | 24.6% | 175 |
| 18 | Schöftland | 24.5% | 4'658 |
| 19 | Oberlunkhofen | 23.8% | 2'196 |
| 20 | Böttstein | 23.8% | 4'428 |
| 21 | Schinznach | 23.7% | 2'461 |
| 22 | Zurzach | 23.6% | 8'346 |
| 23 | Muhen | 23.4% | 4'099 |
| 24 | Hellikon | 23.3% | 837 |
| 25 | Magden | 23.3% | 3'903 |
| 26 | Schmiedrued | 23.1% | 1'145 |
| 27 | Leuggern | 23.1% | 2'442 |
| 28 | Remigen | 23% | 1'380 |
| 29 | Zuzgen | 23% | 918 |
| 30 | Villigen | 22.9% | 2'257 |
| 31 | Zetzwil | 22.9% | 1'402 |
| 32 | Seengen | 22.9% | 4'516 |
| 33 | Leutwil | 22.8% | 763 |
| 34 | Eggenwil | 22.7% | 1'063 |
| 35 | Beinwil am See | 22.7% | 3'711 |
| 36 | Meisterschwanden | 22.7% | 3'330 |
| 37 | Erlinsbach | 22.6% | 4'650 |
| 38 | Gontenschwil | 22.5% | 2'249 |
| 39 | Fislisbach | 22.4% | 6'134 |
| 40 | Oberkulm | 22.4% | 3'026 |
| 41 | Zufikon | 22.3% | 4'960 |
| 42 | Riniken | 22.3% | 1'594 |
| 43 | Klingnau | 22.3% | 3'710 |
| 44 | Mandach | 22% | 328 |
| 45 | Rüfenach | 21.9% | 869 |
| 46 | Rheinfelden | 21.9% | 14'034 |
| 47 | Laufenburg | 21.8% | 3'882 |
| 48 | Uerkheim | 21.8% | 1'442 |
| 49 | Brugg | 21.7% | 13'615 |
| 50 | Gansingen | 21.7% | 1'125 |
| 51 | Strengelbach | 21.7% | 5'080 |
| 52 | Berikon | 21.6% | 5'026 |
| 53 | Kaisten | 21.5% | 3'063 |
| 54 | Küttigen | 21.4% | 7'025 |
| 55 | Remetschwil | 21.4% | 2'102 |
| 56 | Lupfig | 21.4% | 3'484 |
| 57 | Wallbach | 21.3% | 2'084 |
| 58 | Obersiggenthal | 21.1% | 9'020 |
| 59 | Zofingen | 21% | 13'054 |
| 60 | Niederrohrdorf | 20.9% | 4'751 |
| 61 | Niederwil | 20.9% | 3'030 |
| 62 | Auenstein | 20.9% | 1'747 |
| 63 | Ennetbaden | 20.7% | 3'801 |
| 64 | Gebenstorf | 20.7% | 5'840 |
| 65 | Oberwil-Lieli | 20.7% | 2'699 |
| 66 | Gipf-Oberfrick | 20.7% | 3'886 |
| 67 | Möriken-Wildegg | 20.7% | 5'025 |
| 68 | Gränichen | 20.6% | 8'699 |
| 69 | Bottenwil | 20.6% | 862 |
| 70 | Murgenthal | 20.6% | 3'188 |
| 71 | Oberhof | 20.5% | 595 |
| 72 | Zeiningen | 20.5% | 2'604 |
| 73 | Wettingen | 20.4% | 22'027 |
| 74 | Ehrendingen | 20.4% | 4'919 |
| 75 | Leimbach | 20.4% | 529 |
| 76 | Schlossrued | 20.4% | 878 |
| 77 | Untersiggenthal | 20.3% | 7'875 |
| 78 | Reinach | 20.3% | 9'858 |
| 79 | Frick | 20.3% | 6'211 |
| 80 | Boniswil | 20.3% | 1'795 |
| 81 | Schafisheim | 20.3% | 3'131 |
| 82 | Muri | 20.3% | 8'850 |
| 83 | Kirchleerau | 20.3% | 950 |
| 84 | Bergdietikon | 20.2% | 2'993 |
| 85 | Schwaderloch | 20.2% | 727 |
| 86 | Arni | 20.1% | 1'953 |
| 87 | Büttikon | 20.1% | 1'155 |
| 88 | Teufenthal | 20.1% | 1'772 |
| 89 | Hirschthal | 20% | 1'772 |
| 90 | Bremgarten | 19.9% | 8'902 |
| 91 | Böztal | 19.9% | 2'985 |
| 92 | Obermumpf | 19.9% | 1'090 |
| 93 | Brittnau | 19.9% | 4'350 |
| 94 | Endingen | 19.9% | 2'758 |
| 95 | Hausen | 19.8% | 3'850 |
| 96 | Möhlin | 19.8% | 11'351 |
| 97 | Full-Reuenthal | 19.8% | 1'021 |
| 98 | Künten | 19.7% | 1'978 |
| 99 | Kaiseraugst | 19.7% | 5'985 |
| 100 | Schupfart | 19.7% | 922 |
| 101 | Wittnau | 19.6% | 1'449 |
| 102 | Unterentfelden | 19.5% | 4'579 |
| 103 | Wölflinswil | 19.5% | 1'105 |
| 104 | Oberentfelden | 19.4% | 9'061 |
| 105 | Freienwil | 19.4% | 1'117 |
| 106 | Mülligen | 19.4% | 1'124 |
| 107 | Seon | 19.4% | 5'716 |
| 108 | Bettwil | 19.4% | 736 |
| 109 | Hägglingen | 19.2% | 2'707 |
| 110 | Windisch | 19.2% | 8'286 |
| 111 | Egliswil | 19.2% | 1'627 |
| 112 | Fahrwangen | 19.2% | 2'587 |
| 113 | Waltenschwil | 19.2% | 3'291 |
| 114 | Tegerfelden | 19.2% | 1'326 |
| 115 | Wohlen | 19.1% | 18'162 |
| 116 | Unterkulm | 19.1% | 3'807 |
| 117 | Würenlos | 19% | 7'046 |
| 118 | Uezwil | 19% | 553 |
| 119 | Döttingen | 19% | 4'525 |
| 120 | Lengnau | 18.9% | 2'944 |
| 121 | Birmenstorf | 18.8% | 3'053 |
| 122 | Würenlingen | 18.8% | 5'323 |
| 123 | Bünzen | 18.8% | 1'247 |
| 124 | Rottenschwil | 18.8% | 1'013 |
| 125 | Tägerig | 18.6% | 1'528 |
| 126 | Sins | 18.6% | 4'561 |
| 127 | Stein | 18.5% | 3'660 |
| 128 | Kölliken | 18.5% | 5'133 |
| 129 | Rothrist | 18.5% | 9'979 |
| 130 | Safenwil | 18.5% | 4'629 |
| 131 | Aarau | 18.4% | 22'932 |
| 132 | Rudolfstetten-Friedlisberg | 18.4% | 4'667 |
| 133 | Lenzburg | 18.4% | 11'322 |
| 134 | Moosleerau | 18.4% | 945 |
| 135 | Dintikon | 18.3% | 2'405 |
| 136 | Mumpf | 18.3% | 1'565 |
| 137 | Leibstadt | 18.3% | 1'639 |
| 138 | Unterlunkhofen | 18.2% | 1'662 |
| 139 | Dürrenäsch | 18.2% | 1'393 |
| 140 | Ammerswil | 18.2% | 801 |
| 141 | Sarmenstorf | 18.1% | 3'194 |
| 142 | Veltheim | 18.1% | 1'598 |
| 143 | Boswil | 18.1% | 3'209 |
| 144 | Menziken | 18% | 8'909 |
| 145 | Beinwil (Freiamt) | 18% | 1'318 |
| 146 | Buttwil | 18% | 1'305 |
| 147 | Herznach-Ueken | 17.9% | 2'765 |
| 148 | Hallwil | 17.9% | 1'040 |
| 149 | Mellingen | 17.6% | 6'324 |
| 150 | Eiken | 17.6% | 2'573 |
| 151 | Wohlenschwil | 17.5% | 1'876 |
| 152 | Neuenhof | 17.4% | 9'306 |
| 153 | Sisseln | 17.4% | 1'653 |
| 154 | Reitnau | 17.4% | 1'663 |
| 155 | Dottikon | 17.2% | 4'240 |
| 156 | Jonen | 17.2% | 2'333 |
| 157 | Holziken | 17.2% | 1'768 |
| 158 | Oeschgen | 17.2% | 1'181 |
| 159 | Suhr | 17.1% | 11'760 |
| 160 | Baden | 17.1% | 24'012 |
| 161 | Killwangen | 17.1% | 2'272 |
| 162 | Buchs | 17% | 8'651 |
| 163 | Islisberg | 17% | 682 |
| 164 | Oberrüti | 17% | 1'631 |
| 165 | Geltwil | 16.9% | 242 |
| 166 | Oftringen | 16.9% | 15'198 |
| 167 | Villmergen | 16.7% | 8'290 |
| 168 | Münchwilen | 16.6% | 1'091 |
| 169 | Aristau | 16.6% | 1'655 |
| 170 | Koblenz AG | 16.6% | 1'835 |
| 171 | Fischbach-Göslikon | 16.5% | 1'887 |
| 172 | Zeihen | 16.5% | 1'268 |
| 173 | Mühlau | 16.5% | 1'368 |
| 174 | Stetten | 16.3% | 2'540 |
| 175 | Niederlenz | 16.2% | 4'998 |
| 176 | Staufen | 16.1% | 4'411 |
| 177 | Birr | 16% | 4'868 |
| 178 | Staffelbach | 15.9% | 1'398 |
| 179 | Rupperswil | 15.8% | 6'317 |
| 180 | Birrhard | 15.6% | 993 |
| 181 | Hunzenschwil | 15.5% | 4'472 |
| 182 | Kallern | 15.5% | 419 |
| 183 | Siglistorf | 15.5% | 871 |
| 184 | Mägenwil | 15.3% | 2'305 |
| 185 | Merenschwand | 15.3% | 3'945 |
| 186 | Holderbank | 15.2% | 1'610 |
| 187 | Aarburg | 15.2% | 9'040 |
| 188 | Spreitenbach | 14.8% | 13'377 |
| 189 | Fisibach | 14.6% | 595 |
| 190 | Brunegg | 14.2% | 971 |
| 191 | Othmarsingen | 14.1% | 3'301 |
| 192 | Besenbüren | 13.9% | 677 |
| 193 | Dietwil | 13.8% | 1'476 |
| 194 | Hendschiken | 13.1% | 1'399 |
| 195 | Abtwil | 12.9% | 1'107 |
| 196 | Auw | 12.9% | 2'325 |
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026
How we measure this
BFS · STATPOPShare of permanent residents aged 65 and over, per municipality, from the BFS STATPOP register (2025). The inverse reading — the youngest municipalities — is at the bottom of the table.
Frequently asked questions
- Which municipality in canton Aargau has the oldest population?
- Mönthal has the highest share of residents 65+ in canton Aargau: 35.5% as of 2025.
- How is the age structure measured?
- We rank by the share of permanent residents aged 65 and over from the BFS STATPOP register. The full table also shows every municipality’s share, so the youngest municipalities are visible as well.