Switzerland · canton
Aargau population 2026
Aargau has 735,808 people on the latest official figure, for 1 January 2025, 8,914 more than a year earlier (+1.23%). It is 4th of Switzerland’s 26 cantons by population, home to 8.1% of Switzerland’s people.
If last year’s change continues: about 749 thousand by 1 July 2026. That is our arithmetic, not an official figure.
Aargau in numbers
- Population
- 736 thousand 1 January 2025
- Change in a year
- +1.23% +8,914 people
- Change since 2020
- +7.29% from 686 thousand
- Share of Switzerland
- 8.1% 4th of 26 cantons
- Population density
- 524per km² 1,404 km²
That is about as many people as Macao (723 thousand).
Population of Aargau by year
› Show the numbers as a table
| Year | Population |
|---|---|
| 2012 | 618,298 |
| 2013 | 627,340 |
| 2014 | 636,362 |
| 2015 | 645,277 |
| 2016 | 653,675 |
| 2017 | 663,462 |
| 2018 | 670,988 |
| 2019 | 678,207 |
| 2020 | 685,845 |
| 2021 | 694,072 |
| 2022 | 703,086 |
| 2023 | 711,232 |
| 2024 | 726,894 |
| 2025 | 735,808 |
| Year | Population | Change | % |
|---|---|---|---|
| 2025 | 735,808 | +8,914 | +1.23% |
| 2024 | 726,894 | +15,662 | +2.20% |
| 2023 | 711,232 | +8,146 | +1.16% |
| 2022 | 703,086 | +9,014 | +1.30% |
| 2021 | 694,072 | +8,227 | +1.20% |
| 2020 | 685,845 | +7,638 | +1.13% |
| 2019 | 678,207 | +7,219 | +1.08% |
| 2018 | 670,988 | +7,526 | +1.13% |
| 2017 | 663,462 | +9,787 | +1.50% |
| 2016 | 653,675 | +8,398 | +1.30% |
| 2015 | 645,277 | +8,915 | +1.40% |
| 2014 | 636,362 | +9,022 | +1.44% |
| 2013 | 627,340 | +9,042 | +1.46% |
| 2012 | 618,298 | – | – |
Aargau among Switzerland’s cantons
Full ranking →| # | |||||
|---|---|---|---|---|---|
| 1 | Zurich | 1,620,020 | +0.90% | 17.9% | 937 |
| 2 | Bern | 1,071,216 | +0.72% | 11.8% | 180 |
| 3 | Vaud | 855,106 | +1.09% | 9.4% | 266 |
| 4 | Aargau | 735,808 | +1.23% | 8.1% | 524 |
| 5 | St. Gallen | 540,036 | +0.92% | 6.0% | 266 |
| 6 | Geneva | 531,102 | +1.28% | 5.9% | 1,880 |
| 7 | Lucerne | 437,944 | +1.20% | 4.8% | 293 |
| 8 | Valais | 371,288 | +1.49% | 4.1% | 71 |
| 9 | Ticino | 358,903 | +0.33% | 4.0% | 128 |
| 10 | Fribourg | 346,674 | +1.50% | 3.8% | 207 |
| 11 | Basel-Landschaft | 301,323 | +0.83% | 3.3% | 582 |
| 12 | Thurgau | 299,509 | +1.45% | 3.3% | 302 |
| 13 | Solothurn | 289,792 | +1.03% | 3.2% | 367 |
| 14 | Graubünden | 206,138 | +0.61% | 2.3% | 29 |
| 15 | Basel-Stadt | 201,384 | +0.68% | 2.2% | 5,450 |
| 16 | Neuchâtel | 179,518 | +0.69% | 2.0% | 224 |
| 17 | Schwyz | 168,931 | +0.91% | 1.9% | 186 |
| 18 | Zug | 133,739 | +0.89% | 1.5% | 560 |
| 19 | Schaffhausen | 88,667 | +1.79% | 1.0% | 297 |
| 20 | Jura | 74,840 | +0.39% | 0.8% | 89 |
| 21 | Appenzell Ausserrhoden | 56,705 | +0.37% | 0.6% | 234 |
| 22 | Nidwalden | 45,345 | +0.73% | 0.5% | 164 |
| 23 | Glarus | 42,371 | +0.75% | 0.5% | 62 |
| 24 | Obwalden | 39,662 | +0.99% | 0.4% | 81 |
| 25 | Uri | 38,275 | +0.91% | 0.4% | 36 |
| 26 | Appenzell Innerrhoden | 16,733 | +0.89% | 0.2% | 97 |
Largest cities in Aargau
City proper, not the wider metro area; latest figure in GeoNames (CC BY 4.0), so years differ.
- Aarau21,503
- Baden19,340
- Wettingen18,191
Questions
What is the population of Aargau in 2026?
Is Aargau’s population growing or shrinking?
How does Aargau rank in Switzerland?
What is the population density of Aargau?
What is the largest city in Aargau?
Source and method
Eurostat, population on 1 January by NUTS 3 region (demo_r_pjanaggr3). Eurostat reuse policy (CC BY 4.0). Total area, Wikidata. Eurostat updates regional populations once a year. Ranks, shares and changes are our arithmetic on the published figures. National figures can differ from the UN’s projection for Switzerland, which uses a different method. The 2026 figure above carries last year’s change forward; it does not come from the source.
Cite this page: Aargau population, Eurostat, 1 January 2025. GlobeMetrics, https://globemetrics.org/world-population/switzerland/aargau/
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