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Ranking · Data 2026 · Source: BFS

The highest second-home share in canton Solothurn

National ranking

Rodersdorf has the highest second-home share in canton Solothurn: 19.6 % of all dwellings are second homes. Next come Welschenrohr-Gänsbrunnen (18.8 %) and Kienberg (18.4 %). At 20 % or above, the Second Homes Act bars any new second-home permits. Source: ARE.

Ranking

ARE · 2026
RankMunicipalitySecond-home shareResidents
1Rodersdorf19.6%1'398
2Welschenrohr-Gänsbrunnen18.8%1'199
3Kienberg18.4%526
4Aedermannsdorf17%607
5Eppenberg-Wöschnau15.7%336
6Kleinlützel15.4%1'190
7Herbetswil15.1%617
8Grenchen14.8%18'973
9Bärschwil13.3%806
10Solothurn13.3%16'830
11Wisen13.3%451
12Büren13.1%1'060
13Gempen13%919
14Nunningen13%1'948
15Zullwil12.8%704
16Himmelried12.7%974
17Biezwil12.7%345
18Olten12.6%19'265
19Holderbank12.5%779
20Hochwald12.3%1'278
21Matzendorf12.2%1'439
22Oberbuchsiten12.1%2'382
23Meltingen12.1%623
24Wolfwil12%2'473
25Walterswil11.8%768
26Balsthal11.8%6'622
27Günsberg11.7%1'169
28Metzerlen-Mariastein11.6%970
29Hauenstein-Ifenthal11.6%348
30Rüttenen11.6%1'498
31Erschwil11.5%996
32Seewen11.5%1'088
33Oberdorf11.5%1'806
34Lüsslingen-Nennigkofen11.3%1'131
35Dornach11%6'898
36Selzach11%3'750
37Buchegg11%2'979
38Deitingen11%2'409
39Biberist10.9%9'531
40Grindel10.7%508
41Stüsslingen10.6%1'265
42Mümliswil-Ramiswil10.6%2'472
43Horriwil10.5%940
44Schönenwerd10.3%5'437
45Breitenbach10.2%4'440
46Niedergösgen10.2%4'297
47Unterramsern10.1%230
48Trimbach10.1%6'928
49Büsserach10%2'473
50Lüterkofen-Ichertswil9.8%923
51Messen9.7%1'506
52Hägendorf9.6%5'343
53Bättwil9.6%1'185
54Lommiswil9.5%1'615
55Kestenholz9.5%1'888
56Hofstetten-Flüh9.5%3'410
57Bettlach9.2%4'935
58Kappel9.1%3'591
59Egerkingen8.9%4'365
60Hüniken8.8%160
61Schnottwil8.8%1'159
62Derendingen8.7%7'219
63Etziken8.7%1'093
64Neuendorf8.6%2'412
65Wangen bei Olten8.6%5'598
66Witterswil8.6%1'475
67Zuchwil8.5%9'622
68Dulliken8.5%5'489
69Aeschi8.4%1'342
70Obergerlafingen8.4%1'232
71Erlinsbach8.3%3'761
72Laupersdorf8.2%1'916
73Lostorf8.2%4'113
74Härkingen8.2%1'763
75Hubersdorf8.2%727
76Fehren8.1%619
77Drei Höfe8%727
78Gretzenbach8%2'825
79Bellach8%5'632
80Subingen7.9%3'311
81Nuglar-St. Pantaleon7.9%1'580
82Luterbach7.7%3'756
83Gerlafingen7.7%5'859
84Riedholz7.6%2'319
85Boningen7.6%816
86Balm bei Günsberg7.5%213
87Däniken7.4%3'108
88Bolken7.3%579
89Beinwil7.3%248
90Rickenbach7.2%1'208
91Kriegstetten7.2%1'456
92Winznau7%2'061
93Oensingen6.9%6'766
94Niederbuchsiten6.5%1'369
95Flumenthal6.2%1'023
96Lohn-Ammannsegg6.1%2'940
97Recherswil5.9%2'260
98Starrkirch-Wil5.7%2'020
99Obergösgen5.6%2'553
100Feldbrunnen-St. Niklaus5.4%1'068
101Langendorf5.3%3'983
102Gunzgen4.8%1'783
103Fulenbach4.6%1'841
104Kammersrohr0%32
Dwelling inventory and second-home share 2026 · ARE, retrieved 11.09.2026

How we measure this

ARE

Share of second homes in a municipality’s total dwelling stock, in percent, from the dwelling inventory of the Federal Office for Spatial Development (ARE), as of 2026. The Second Homes Act (ZWG) bars new second-home permits in municipalities whose share is 20 % or more. Whether a municipality is subject to that freeze is an official ARE determination and does not in every case coincide exactly with the 20 % line; it is shown separately on the municipality page.

Frequently asked questions

Which municipality in canton Solothurn has the highest second-home share?
Rodersdorf: 19.6 % of all dwellings are second homes (2026) — the highest share of any municipality in canton Solothurn. Source: ARE.
What does the 20 % Second Homes Act limit mean?
If a municipality’s second-home share is 20 % or more, no new second homes may in principle be built there. Whether the freeze applies is determined officially by the ARE. Around 326 municipalities are currently subject to it.