Canton · SG

St. Gallen

75 municipalities in 8 districts.

residents, 2025: 544’040
km² of land: 1’951
residents per km²: 279

Building insurance: Compulsory, with Gebäudeversicherung St.Gallen (the canton’s own insurer).0.27 ‰ of the insured value a year, plus the 5% federal stamp duty on the premium: CHF 278.50 per CHF 1 million.Beschluss sGS 873.13 Ziff. 1, read 12.10.2026; Feuerschutzverordnung sGS 871.11 Art. 59, read 12.10.2026


St. Gallen	St. Gallen	79’487	39.38	2’018
Rapperswil-Jona	See-Gaster	28’836	22.26	1’295
Wil (SG)	Wil	25’444	20.82	1’222
Gossau (SG)	St. Gallen	18’943	27.51	689
Uzwil	Wil	14’676	14.49	1’013
Buchs (SG)	Werdenberg	14’287	15.95	896
Altstätten	Rheintal	12’788	39.46	324
Flawil	Wil	10’672	11.47	930
Widnau	Rheintal	10’485	4.22	2’485
Eschenbach (SG)	See-Gaster	10’401	54.89	189
Rorschach	Rorschach	10’389	1.78	5’837
Wittenbach	St. Gallen	10’157	12.20	833
Kirchberg (SG)	Toggenburg	9’879	42.54	232
Goldach	Rorschach	9’872	4.71	2’096
Mels	Sarganserland	9’581	139.10	69
Oberriet (SG)	Rheintal	9’417	34.60	272
Wattwil	Toggenburg	9’262	51.17	181
Gaiserwald	St. Gallen	8’828	12.63	699
Au (SG)	Rheintal	8’771	4.65	1’886
Rorschacherberg	Rorschach	7’741	7.09	1’092
Grabs	Werdenberg	7’535	54.65	138
Thal	Rorschach	7’217	9.66	747
Uznach	See-Gaster	7’114	7.54	944
Diepoldsau	Rheintal	6’933	11.25	616
Oberuzwil	Wil	6’864	14.08	488
Bad Ragaz	Sarganserland	6’836	25.40	269
St. Margrethen	Rheintal	6’731	6.87	980
Sargans	Sarganserland	6’670	9.46	705
Neckertal	Toggenburg	6’446	81.84	79
Sennwald	Werdenberg	6’428	41.56	155
Walenstadt	Sarganserland	6’083	45.72	133
Gommiswald	See-Gaster	5’838	33.59	174
Wartau	Werdenberg	5’617	41.75	135
Flums	Sarganserland	5’458	75.15	73
Sevelen	Werdenberg	5’405	30.33	178
Bütschwil-Ganterschwil	Toggenburg	5’385	21.83	247
Ebnat-Kappel	Toggenburg	5’353	43.55	123
Balgach	Rheintal	5’229	6.52	802
Vilters-Wangs	Sarganserland	5’168	32.72	158
Kaltbrunn	See-Gaster	5’128	18.64	275
Rebstein	Rheintal	5’084	4.39	1’158
Zuzwil (SG)	Wil	4’994	8.97	557
Oberbüren	Wil	4’762	17.73	269
Schänis	See-Gaster	4’213	39.90	106
Degersheim	Wil	4’209	14.48	291
Schmerikon	See-Gaster	4’168	4.15	1’004
Berneck	Rheintal	4’026	5.62	716
Jonschwil	Wil	3’979	10.99	362
Nesslau	Toggenburg	3’937	92.70	42
Gams	Werdenberg	3’736	22.27	168
Mörschwil	Rorschach	3’702	9.84	376
Waldkirch	St. Gallen	3’581	31.34	114
Steinach	Rorschach	3’579	4.50	795
Rheineck	Rheintal	3’566	2.21	1’614
Niederhelfenschwil	Wil	3’309	16.37	202
Benken (SG)	See-Gaster	3’119	16.49	189
Quarten	Sarganserland	3’118	61.77	50
Mosnang	Toggenburg	2’936	50.51	58
Rüthi (SG)	Rheintal	2’667	9.33	286
Wildhaus-Alt St. Johann	Toggenburg	2’614	87.53	30
Eggersriet	St. Gallen	2’370	8.90	266
Lichtensteig	Toggenburg	2’157	2.82	765
Marbach (SG)	Rheintal	2’147	4.38	490
Andwil (SG)	St. Gallen	2’117	6.31	335
Amden	See-Gaster	1’896	43.05	44
Weesen	See-Gaster	1’895	5.40	351
Lütisburg	Toggenburg	1’647	14.10	117
Pfäfers	Sarganserland	1’647	128.46	13
Eichberg	Rheintal	1’614	5.44	297
Tübach	Rorschach	1’587	1.99	797
Niederbüren	Wil	1’571	15.84	99
Häggenschwil	St. Gallen	1’432	9.07	158
Muolen	St. Gallen	1’251	10.33	121
Untereggen	Rorschach	1’035	7.13	145
Berg (SG)	Rorschach	1’021	3.76	272

Sources: population and foreign residents on 31.12.2025 and private households 2025, Federal Statistical Office (STATPOP), on today’s municipal boundaries; municipalities, districts and land area without lakes, swisstopo swissTLMRegio; postcodes, swisstopo’s official locality register. Updated each September.