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Canton Appenzell Ausserrhoden overview
Ranking · Data 2023 · Source: BFS

The largest municipalities by area in canton Appenzell Ausserrhoden (2023)

National ranking

Urnäsch is the largest municipality by area in canton Appenzell Ausserrhoden: 48.2 km² (2023). Next come Herisau (25.2 km²) and Hundwil (24.1 km²). Source: swisstopo.

Ranking

swisstopo · 2023
RankMunicipalityAreaResidents
1Urnäsch48.2 km²2'346
2Herisau25.2 km²15'893
3Hundwil24.1 km²944
4Gais21.2 km²3'147
5Schwellbrunn17.4 km²1'557
6Teufen15.3 km²6'514
7Trogen10 km²1'862
8Stein9.4 km²1'498
9Speicher8.2 km²4'453
10Heiden7.5 km²4'316
11Walzenhausen7 km²2'029
12Wolfhalden6.9 km²1'867
13Waldstatt6.8 km²1'874
14Wald6.8 km²909
15Rehetobel6.7 km²1'773
16Bühler5.6 km²1'954
17Schönengrund5.2 km²556
18Reute5 km²700
19Grub4.2 km²971
20Lutzenberg2.3 km²1'332

How we measure this

swisstopo

Municipal area in square kilometres from swisstopo's official boundaries (swissBOUNDARIES3D), as of 2023. It covers the total area including forest, water and unproductive land.

Frequently asked questions

Which municipality in canton Appenzell Ausserrhoden is the largest by area?
Urnäsch is the largest municipality by area in canton Appenzell Ausserrhoden, at 48.2 km² (2023).
Is water area included in the municipal area?
Yes. The figure is swisstopo's official total area including lakes, forest and unproductive land — not just the built-up zone.