← Canton Appenzell Ausserrhoden overview
Ranking · Data 2025 · Source: BFS
The most densely populated municipalities in canton Appenzell Ausserrhoden (2025)
National ranking →Herisau is the most densely populated municipality in canton Appenzell Ausserrhoden: 639 residents per km² (2025). It is followed by Lutzenberg (596/km²) and Heiden (590/km²). Sources: BFS population, swisstopo boundaries.
Ranking
BFS + swisstopo · 2025| Rank | Municipality | Density | Residents |
|---|---|---|---|
| 1 | Herisau | 639 | 16'100 |
| 2 | Lutzenberg | 596 | 1'340 |
| 3 | Heiden | 590 | 4'413 |
| 4 | Speicher | 551 | 4'505 |
| 5 | Teufen | 436 | 6'646 |
| 6 | Bühler | 350 | 1'958 |
| 7 | Walzenhausen | 302 | 2'111 |
| 8 | Waldstatt | 282 | 1'906 |
| 9 | Wolfhalden | 276 | 1'913 |
| 10 | Rehetobel | 254 | 1'710 |
| 11 | Grub | 234 | 986 |
| 12 | Trogen | 190 | 1'905 |
| 13 | Stein | 159 | 1'492 |
| 14 | Gais | 149 | 3'150 |
| 15 | Reute | 144 | 717 |
| 16 | Wald | 134 | 916 |
| 17 | Schönengrund | 108 | 561 |
| 18 | Schwellbrunn | 89 | 1'543 |
| 19 | Urnäsch | 49 | 2'382 |
| 20 | Hundwil | 40 | 967 |
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026
How we measure this
BFS + swisstopoPermanent residents (BFS STATPOP 2025) divided by the official municipal area from swissBOUNDARIES3D (swisstopo). Lakes and unproductive areas are included in the official area figure.
Frequently asked questions
- Which municipality in canton Appenzell Ausserrhoden is the most densely populated?
- Herisau is the most densely populated municipality in canton Appenzell Ausserrhoden with 639 residents per km² (2025).
- How is population density calculated?
- Permanent residents (BFS STATPOP) divided by the official municipal area in km² from swisstopo swissBOUNDARIES3D, including lakes and unproductive land.