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.

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Ranking · Data 2025 · Source: BFS

The largest municipalities by area in canton Thurgau (2025)

National ranking →

Fischingen is the largest municipality by area in canton Thurgau: 30.6 km² (2025). Next come Frauenfeld (27.4 km²) and Kemmental (25 km²). Source: swisstopo.

Ranking

swisstopo · 2025

Rank	Municipality	Area	Residents
1	Fischingen	30.6 km²	3'145
2	Frauenfeld	27.4 km²	27'201
3	Kemmental	25 km²	2'924
4	Homburg	24.1 km²	1'597
5	Aadorf	19.9 km²	9'924
6	Amriswil	19 km²	15'225
7	Bussnang	18.9 km²	2'599
8	Egnach	18.4 km²	5'259
9	Hüttwilen	17.7 km²	1'776
10	Wigoltingen	17.1 km²	2'674
11	Wängi	16.4 km²	5'141
12	Basadingen-Schlattingen	15.6 km²	1'935
13	Thundorf	15.6 km²	1'771
14	Schlatt	15.5 km²	1'857
15	Weinfelden	15.5 km²	12'652
16	Amlikon-Bissegg	14.5 km²	1'423
17	Affeltrangen	14.4 km²	2'890
18	Uesslingen-Buch	14 km²	1'242
19	Herdern	13.7 km²	1'182
20	Pfyn	13.1 km²	2'259
21	Berg	13.1 km²	3'757
22	Hauptwil-Gottshaus	12.5 km²	2'121
23	Sirnach	12.4 km²	8'387
24	Bichelsee-Balterswil	12.3 km²	3'034
25	Birwinken	12.3 km²	1'452
26	Erlen	12.2 km²	4'028
27	Zihlschlacht-Sitterdorf	12.2 km²	2'655
28	Wäldi	12.2 km²	1'179
29	Wuppenau	12.1 km²	1'215
30	Roggwil	12 km²	3'471
31	Eschenz	12 km²	1'951
32	Wagenhausen	11.8 km²	1'852
33	Bürglen	11.7 km²	4'252
34	Bischofszell	11.6 km²	6'438
35	Hüttlingen	11.6 km²	898
36	Kreuzlingen	11.6 km²	23'550
37	Tägerwilen	11.6 km²	5'558
38	Neunforn	11.4 km²	1'170
39	Kradolf-Schönenberg	11 km²	3'935
40	Schönholzerswilen	10.9 km²	872
41	Langrickenbach	10.8 km²	1'551
42	Ermatingen	10.5 km²	3'799
43	Diessenhofen	10.1 km²	4'157
44	Märstetten	10 km²	3'067
45	Gachnang	9.7 km²	4'778
46	Güttingen	9.6 km²	1'905
47	Braunau	9.2 km²	919
48	Sulgen	9.1 km²	4'186
49	Romanshorn	8.9 km²	11'982
50	Lengwil	8.9 km²	1'814
51	Steckborn	8.8 km²	4'036
52	Müllheim	8.7 km²	3'403
53	Lommis	8.6 km²	1'355
54	Warth-Weiningen	8.2 km²	1'467
55	Hohentannen	8 km²	670
56	Münchwilen	7.8 km²	6'043
57	Matzingen	7.7 km²	3'355
58	Raperswilen	7.7 km²	429
59	Felben-Wellhausen	7.4 km²	3'312
60	Tobel-Tägerschen	7.1 km²	1'751
61	Altnau	6.7 km²	2'351
62	Salenstein	6.6 km²	1'502
63	Stettfurt	6.4 km²	1'298
64	Eschlikon	6.2 km²	4'913
65	Arbon	6.1 km²	16'407
66	Hefenhofen	6.1 km²	1'344
67	Münsterlingen	5.5 km²	3'726
68	Mammern	5.5 km²	712
69	Kesswil	4.5 km²	1'004
70	Uttwil	4.4 km²	1'873
71	Sommeri	4.2 km²	696
72	Bettwiesen	3.9 km²	1'355
73	Berlingen	3.6 km²	941
74	Salmsach	2.7 km²	1'631
75	Bottighofen	2.4 km²	2'765
76	Wilen	2.3 km²	2'469
77	Horn	1.8 km²	3'228
78	Rickenbach	1.6 km²	3'078
79	Dozwil	1.3 km²	724
80	Gottlieben	0.3 km²	359

swisstopo, retrieved 24.08.2026

How we measure this

swisstopo

Municipal area in square kilometres from swisstopo's official boundaries (swissBOUNDARIES3D), as of 2025. It covers the total area including forest, water and unproductive land.

Frequently asked questions

Which municipality in canton Thurgau is the largest by area?: Fischingen is the largest municipality by area in canton Thurgau, at 30.6 km² (2025).
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.