Which municipality in canton Obwalden is the most densely populated?

Sarnen is the most densely populated municipality in canton Obwalden with 142 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.

← Canton Obwalden overview

Ranking · Data 2025 · Source: BFS

The most densely populated municipalities in canton Obwalden (2025)

National ranking →

Sarnen is the most densely populated municipality in canton Obwalden: 142 residents per km² (2025). It is followed by Alpnach (117/km²) and Sachseln (92/km²). Sources: BFS population, swisstopo boundaries.

Ranking

BFS + swisstopo · 2025

Rank	Municipality	Density	Residents
1	Sarnen	142	10'906
2	Alpnach	117	6'594
3	Sachseln	92	5'300
4	Kerns	71	6'557
5	Engelberg	58	4'377
6	Giswil	47	4'013
7	Lungern	46	2'132

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

How we measure this

BFS + swisstopo

Permanent 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 Obwalden is the most densely populated?: Sarnen is the most densely populated municipality in canton Obwalden with 142 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.