How many municipalities does Switzerland have?

Switzerland currently has 2,131 municipalities. The number falls almost every year through mergers; all figures here reflect the current municipal register.

← Canton Solothurn overview

Ranking · Data 2023 · Source: BFS

The largest municipalities in canton Solothurn (2023)

National ranking →

Olten is the largest municipality in canton Solothurn with 18'715 residents (2023). It is followed by Grenchen (18'295) and Solothurn (16'855). Source: BFS, STATPOP 2023.

Ranking

BFS · STATPOP · 2023

Rank	Municipality	Residents	Residents
1	Olten	18'715	18'715
2	Grenchen	18'295	18'295
3	Solothurn	16'855	16'855
4	Zuchwil	9'452	9'452
5	Biberist	9'345	9'345
6	Derendingen	7'008	7'008
7	Dornach	6'862	6'862
8	Trimbach	6'667	6'667
9	Oensingen	6'636	6'636
10	Balsthal	6'501	6'501
11	Gerlafingen	5'794	5'794
12	Wangen bei Olten	5'539	5'539
13	Bellach	5'453	5'453
14	Dulliken	5'396	5'396
15	Hägendorf	5'277	5'277
16	Schönenwerd	5'201	5'201
17	Bettlach	4'978	4'978
18	Breitenbach	4'304	4'304
19	Egerkingen	4'300	4'300
20	Niedergösgen	4'197	4'197
21	Lostorf	4'088	4'088
22	Langendorf	3'858	3'858
23	Erlinsbach	3'691	3'691
24	Selzach	3'682	3'682
25	Luterbach	3'640	3'640
26	Kappel	3'511	3'511
27	Hofstetten-Flüh	3'401	3'401
28	Subingen	3'285	3'285
29	Däniken	3'041	3'041
30	Lohn-Ammannsegg	2'976	2'976
31	Buchegg	2'926	2'926
32	Gretzenbach	2'800	2'800
33	Obergösgen	2'457	2'457
34	Mümliswil-Ramiswil	2'451	2'451
35	Büsserach	2'431	2'431
36	Neuendorf	2'404	2'404
37	Wolfwil	2'401	2'401
38	Oberbuchsiten	2'386	2'386
39	Deitingen	2'340	2'340
40	Riedholz	2'313	2'313
41	Recherswil	2'180	2'180
42	Winznau	2'058	2'058
43	Nunningen	1'973	1'973
44	Starrkirch-Wil	1'956	1'956
45	Laupersdorf	1'897	1'897
46	Kestenholz	1'881	1'881
47	Oberdorf	1'859	1'859
48	Fulenbach	1'808	1'808
49	Härkingen	1'767	1'767
50	Gunzgen	1'712	1'712
51	Lommiswil	1'630	1'630
52	Nuglar-St. Pantaleon	1'546	1'546
53	Rüttenen	1'541	1'541
54	Messen	1'496	1'496
55	Witterswil	1'467	1'467
56	Kriegstetten	1'427	1'427
57	Rodersdorf	1'418	1'418
58	Matzendorf	1'374	1'374
59	Aeschi	1'329	1'329
60	Niederbuchsiten	1'301	1'301
61	Hochwald	1'266	1'266
62	Obergerlafingen	1'262	1'262
63	Stüsslingen	1'257	1'257
64	Welschenrohr-Gänsbrunnen	1'205	1'205
65	Rickenbach	1'198	1'198
66	Kleinlützel	1'197	1'197
67	Bättwil	1'191	1'191
68	Günsberg	1'185	1'185
69	Schnottwil	1'150	1'150
70	Lüsslingen-Nennigkofen	1'140	1'140
71	Etziken	1'070	1'070
72	Seewen	1'064	1'064
73	Büren	1'055	1'055
74	Flumenthal	1'043	1'043
75	Feldbrunnen-St. Niklaus	1'027	1'027
76	Himmelried	977	977
77	Metzerlen-Mariastein	973	973
78	Erschwil	960	960
79	Gempen	932	932
80	Horriwil	911	911
81	Lüterkofen-Ichertswil	904	904
82	Oekingen	868	868
83	Halten	854	854
84	Boningen	807	807
85	Bärschwil	794	794
86	Holderbank	753	753
87	Walterswil	749	749
88	Drei Höfe	742	742
89	Hubersdorf	717	717
90	Zullwil	675	675
91	Meltingen	645	645
92	Herbetswil	605	605
93	Aedermannsdorf	599	599
94	Fehren	595	595
95	Bolken	593	593
96	Kienberg	528	528
97	Grindel	517	517
98	Wisen	443	443
99	Biezwil	354	354
100	Eppenberg-Wöschnau	326	326
101	Hauenstein-Ifenthal	325	325
102	Beinwil	274	274
103	Balm bei Günsberg	226	226
104	Unterramsern	220	220
105	Hüniken	160	160
106	Kammersrohr	31	31

How we measure this

BFS · STATPOP

Permanent resident population per municipality from the BFS STATPOP register (2023). Municipality mergers change this list over time — the ranking always reflects the current municipal boundaries. The smallest municipalities are at the bottom of the table.

Frequently asked questions

Which is the largest municipality in canton Solothurn?: Olten is the largest municipality in canton Solothurn with 18'715 residents (2023).
How many municipalities does Switzerland have?: Switzerland currently has 2,131 municipalities. The number falls almost every year through mergers; all figures here reflect the current municipal register.