Switzerland: Solothurn

Canton of Solothurn

flag Contents: Solothurn

Capital: Solothurn

277,462 Population [2020] – estimate

291,460 Population [2025] – estimate

791.0km² Area

368.5/km² Density [2025]

Districts

The population of all districts of the Canton of Solothurn according to census results and latest official estimates.

Name	Status	Population Census 1980-12-02	Population Census 1990-12-04	Population Census 2000-12-05	Population Estimate 2010-12-31	Population Estimate 2020-12-31	Population Estimate 2025-12-31
Bezirk Bucheggberg	District	5,766	6,250	7,092	7,543	8,009	8,272	→
Bezirk Dorneck	District	13,309	15,701	17,978	19,517	20,802	21,256	→
Bezirk Gäu	District	12,740	14,429	16,737	18,135	22,005	23,409	→
Bezirk Gösgen	District	20,359	21,050	22,211	23,155	24,793	26,287	→
Bezirk Lebern	District	39,580	40,833	42,008	43,228	46,439	48,709	→
Bezirk Olten	District	46,161	48,154	48,986	51,240	56,109	59,407	→
Bezirk Solothurn	District	15,778	15,748	15,489	16,066	16,802	16,825	→
Bezirk Thal	District	12,773	13,587	14,038	14,216	14,752	15,643	→
Bezirk Thierstein	District	11,266	12,210	13,483	13,947	14,802	15,527	→
Bezirk Wasseramt	District	40,370	43,784	46,319	48,237	52,949	56,125	→
Solothurn	Canton	218,102	231,746	244,341	255,284	277,462	291,460

Contents: Cities and Communes

The population of all cities and communes in the Canton of Solothurn according to census results and latest official estimates.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, citizenship, country of birth).

Name	Status	District	Population Census 1980-12-02	Population Census 1990-12-04	Population Census 2000-12-05	Population Estimate 2010-12-31	Population Estimate 2020-12-31	Population Estimate 2025-12-31
Aedermannsdorf	Commune	Bezirk Thal	461	501	543	562	581	607	→
Aeschi (SO)	Commune	Bezirk Wasseramt	830	1,057	1,158	1,164	1,268	1,342	→
Balm bei Günsberg	Commune	Bezirk Lebern	118	229	196	189	221	213	→
Balsthal	Commune	Bezirk Thal	5,090	5,405	5,574	5,772	6,210	6,622	→
Bärschwil	Commune	Bezirk Thierstein	814	855	872	864	803	807	→
Bättwil	Commune	Bezirk Dorneck	429	545	976	1,206	1,188	1,186	→
Beinwil (SO)	Commune	Bezirk Thierstein	335	334	311	302	274	247	→
Bellach	Commune	Bezirk Lebern	4,361	5,079	5,027	5,131	5,297	5,627	→
Bettlach	Commune	Bezirk Lebern	3,851	4,114	4,721	4,839	4,953	4,938	→
Biberist	Commune	Bezirk Wasseramt	7,519	7,413	7,603	7,969	9,109	9,522	→
Biezwil	Commune	Bezirk Bucheggberg	226	250	289	326	344	345	→
Bolken	Commune	Bezirk Wasseramt	268	334	489	542	590	576	→
Boningen	Commune	Bezirk Olten	358	491	636	699	793	816	→
Breitenbach	Commune	Bezirk Thierstein	2,518	2,874	3,260	3,513	3,979	4,442	→
Buchegg (incl. Lüterswil-Gächliwil)	Commune	Bezirk Bucheggberg	2,275	2,500	2,759	2,845	2,861	2,978	→
Büren (SO)	Commune	Bezirk Dorneck	539	704	870	947	1,046	1,057	→
Büsserach	Commune	Bezirk Thierstein	1,553	1,646	1,865	1,989	2,296	2,471	→
Däniken	Commune	Bezirk Olten	2,047	2,429	2,602	2,679	2,891	3,105	→
Deitingen	Commune	Bezirk Wasseramt	1,852	1,930	2,011	2,168	2,227	2,409	→
Derendingen	Commune	Bezirk Wasseramt	4,675	5,189	5,810	6,036	6,592	7,219	→
Dornach	Commune	Bezirk Dorneck	5,442	5,715	5,886	6,201	6,882	6,901	→
Drei Höfe (incl. Heinrichswil-Winistorf)	Commune	Bezirk Wasseramt	464	554	696	738	748	726	→
Dulliken	Commune	Bezirk Olten	4,465	4,875	4,615	4,669	5,083	5,489	→
Egerkingen	Commune	Bezirk Gäu	2,152	2,539	2,884	3,136	4,041	4,363	→
Eppenberg-Wöschnau	Commune	Bezirk Olten	384	387	331	304	311	334	→
Erlinsbach (SO)	Commune	Bezirk Gösgen	2,356	2,470	2,882	3,192	3,572	3,758	→
Erschwil	Commune	Bezirk Thierstein	812	820	931	906	948	996	→
Etziken	Commune	Bezirk Wasseramt	666	702	783	753	973	1,093	→
Fehren	Commune	Bezirk Thierstein	427	457	509	616	595	618	→
Feldbrunnen-St. Niklaus	Commune	Bezirk Lebern	701	640	756	936	975	1,067	→
Flumenthal	Commune	Bezirk Lebern	915	1,001	1,006	974	1,052	1,024	→
Fulenbach	Commune	Bezirk Olten	1,153	1,435	1,450	1,636	1,772	1,841	→
Gempen	Commune	Bezirk Dorneck	498	638	747	832	904	919	→
Gerlafingen	Commune	Bezirk Wasseramt	4,665	4,611	4,694	4,784	5,502	5,857	→
Grenchen	City	Bezirk Lebern	16,800	16,241	15,938	15,928	17,577	18,947	→
Gretzenbach	Commune	Bezirk Olten	1,621	2,135	2,393	2,449	2,772	2,824	→
Grindel	Commune	Bezirk Thierstein	447	439	494	486	502	508	→
Günsberg	Commune	Bezirk Lebern	1,045	1,059	1,187	1,145	1,179	1,169	→
Gunzgen	Commune	Bezirk Olten	844	1,072	1,428	1,631	1,689	1,782	→
Hägendorf	Commune	Bezirk Olten	3,464	3,910	4,178	4,564	5,177	5,342	→
Halten	Commune	Bezirk Wasseramt	687	724	791	834	850	824	→
Härkingen	Commune	Bezirk Gäu	837	985	1,196	1,332	1,644	1,762	→
Hauenstein-Ifenthal	Commune	Bezirk Gösgen	203	236	265	313	306	348	→
Herbetswil	Commune	Bezirk Thal	587	596	568	541	568	612	→
Himmelried	Commune	Bezirk Thierstein	621	835	946	928	961	974	→
Hochwald	Commune	Bezirk Dorneck	637	899	1,124	1,237	1,275	1,279	→
Hofstetten-Flüh	Commune	Bezirk Dorneck	1,682	2,374	2,717	3,036	3,206	3,407	→
Holderbank (SO)	Commune	Bezirk Thal	570	608	589	629	705	778	→
Horriwil	Commune	Bezirk Wasseramt	550	739	802	810	836	941	→
Hubersdorf	Commune	Bezirk Lebern	477	567	664	712	725	727	→
Hüniken	Commune	Bezirk Wasseramt	73	77	67	90	153	161	→
Kammersrohr	Commune	Bezirk Lebern	52	53	39	39	32	32	→
Kappel (SO)	Commune	Bezirk Olten	1,793	2,183	2,486	2,917	3,278	3,588	→
Kestenholz	Commune	Bezirk Gäu	1,247	1,387	1,617	1,661	1,848	1,888	→
Kienberg	Commune	Bezirk Gösgen	403	402	522	504	503	525	→
Kleinlützel	Commune	Bezirk Thierstein	1,150	1,173	1,243	1,262	1,218	1,190	→
Kriegstetten	Commune	Bezirk Wasseramt	684	1,031	1,126	1,233	1,292	1,456	→
Langendorf	Commune	Bezirk Lebern	3,124	3,061	3,400	3,602	3,775	3,981	→
Laupersdorf	Commune	Bezirk Thal	1,380	1,520	1,651	1,685	1,810	1,915	→
Lohn-Ammannsegg	Commune	Bezirk Wasseramt	1,617	1,896	2,339	2,603	2,870	2,943	→
Lommiswil	Commune	Bezirk Lebern	1,160	1,331	1,399	1,431	1,587	1,615	→
Lostorf	Commune	Bezirk Gösgen	2,378	2,927	3,477	3,824	3,963	4,113	→
Lüsslingen-Nennigkofen	Commune	Bezirk Bucheggberg	867	924	925	995	1,101	1,130	→
Luterbach	Commune	Bezirk Wasseramt	2,880	3,124	3,112	3,293	3,555	3,756	→
Lüterkofen-Ichertswil	Commune	Bezirk Bucheggberg	597	645	641	730	878	924	→
Matzendorf	Commune	Bezirk Thal	1,077	1,218	1,305	1,290	1,321	1,439	→
Meltingen	Commune	Bezirk Thierstein	571	562	603	633	655	622	→
Messen	Commune	Bezirk Bucheggberg	1,015	1,047	1,357	1,409	1,471	1,506	→
Metzerlen-Mariastein	Commune	Bezirk Dorneck	720	743	817	904	938	970	→
Mümliswil-Ramiswil	Commune	Bezirk Thal	2,386	2,455	2,553	2,513	2,386	2,471	→
Neuendorf	Commune	Bezirk Gäu	1,201	1,451	1,796	1,897	2,277	2,411	→
Niederbuchsiten	Commune	Bezirk Gäu	662	788	947	959	1,260	1,367	→
Niedergösgen	Commune	Bezirk Gösgen	3,705	3,566	3,775	3,764	3,897	4,292	→
Nuglar-St. Pantaleon	Commune	Bezirk Dorneck	880	1,055	1,314	1,466	1,516	1,579	→
Nunningen	Commune	Bezirk Thierstein	1,472	1,598	1,843	1,839	1,914	1,947	→
Oberbuchsiten	Commune	Bezirk Gäu	1,421	1,549	1,841	1,906	2,296	2,382	→
Oberdorf (SO)	Commune	Bezirk Lebern	1,169	1,380	1,612	1,650	1,776	1,805	→
Obergerlafingen	Commune	Bezirk Wasseramt	932	999	1,047	1,111	1,247	1,232	→
Obergösgen	Commune	Bezirk Gösgen	1,702	1,749	1,941	2,120	2,359	2,553	→
Oekingen	Commune	Bezirk Wasseramt	530	602	658	756	878	887	→
Oensingen	Commune	Bezirk Gäu	3,543	3,931	4,517	5,229	6,276	6,762	→
Olten	City	Bezirk Olten	18,991	17,805	16,757	16,987	18,496	19,263	→
Recherswil	Commune	Bezirk Wasseramt	1,372	1,551	1,586	1,696	2,028	2,259	→
Rickenbach (SO)	Commune	Bezirk Olten	609	834	885	900	1,055	1,208	→
Riedholz	Commune	Bezirk Lebern	1,691	1,933	1,843	2,109	2,316	2,318	→
Rodersdorf	Commune	Bezirk Dorneck	783	1,041	1,279	1,305	1,375	1,398	→
Rüttenen	Commune	Bezirk Lebern	1,377	1,372	1,410	1,448	1,483	1,498	→
Schnottwil	Commune	Bezirk Bucheggberg	655	745	946	1,024	1,135	1,159	→
Schönenwerd	Commune	Bezirk Olten	4,746	4,851	4,761	4,702	5,057	5,432	→
Seewen	Commune	Bezirk Dorneck	738	842	958	999	1,022	1,086	→
Selzach	Commune	Bezirk Lebern	2,739	2,773	2,810	3,095	3,491	3,748	→
Solothurn	City	Bezirk Solothurn	15,778	15,748	15,489	16,066	16,802	16,825	→
Starrkirch-Wil	Commune	Bezirk Olten	1,086	1,039	1,253	1,590	1,753	2,019	→
Stüsslingen (incl. Rohr)	Commune	Bezirk Gösgen	853	990	1,056	1,094	1,221	1,264	→
Subingen	Commune	Bezirk Wasseramt	1,883	2,188	2,625	2,938	3,173	3,308	→
Trimbach	Commune	Bezirk Gösgen	7,065	6,700	6,173	6,262	6,562	6,925	→
Unterramsern	Commune	Bezirk Bucheggberg	131	139	175	214	219	230	→
Walterswil (SO)	Commune	Bezirk Olten	547	665	632	717	743	768	→
Wangen bei Olten	Commune	Bezirk Olten	4,053	4,043	4,579	4,796	5,239	5,596	→
Welschenrohr-Gänsbrunnen	Commune	Bezirk Thal	1,222	1,284	1,255	1,224	1,171	1,199	→
Winznau	Commune	Bezirk Gösgen	1,340	1,654	1,700	1,667	1,968	2,058	→
Wisen (SO)	Commune	Bezirk Gösgen	354	356	420	415	442	451	→
Witterswil	Commune	Bezirk Dorneck	961	1,145	1,290	1,384	1,450	1,474	→
Wolfwil	Commune	Bezirk Gäu	1,677	1,799	1,939	2,015	2,363	2,474	→
Zuchwil	Commune	Bezirk Wasseramt	8,223	9,063	8,922	8,719	9,058	9,614	→
Zullwil	Commune	Bezirk Thierstein	546	617	606	609	657	705	→

Source: Swiss Federal Statistical Office.

Explanation: Districts and communes in the boundaries of December 2025. The population figures for 2025 are preliminary.

Further information about the population structure:

Gender (E 2024)
Males	145,155
Females	144,637

Age Groups (E 2024)
0-17 years	50,554
18-64 years	177,672
65+ years	61,566

Age Distribution (E 2024)
90+ years	3,081
80-89 years	14,020
70-79 years	26,701
60-69 years	39,234
50-59 years	41,167
40-49 years	38,539
30-39 years	39,937
20-29 years	31,118
10-19 years	27,953
0-9 years	28,042

Citizenship (E 2024)
Switzerland	215,619
Germany	10,514
France	721
Italy	10,909
Portugal	2,142
EU (others)	14,141
Europe (non-EU countries)	22,848
Africa	4,174
Asia	7,222
Other Citizenship	1,383

Country of Birth (E 2024)
Switzerland	214,050
Other country	75,742