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Demographics

BFS · 2025
Women
1'193 51.4%
Men
1'126 48.6%
Children & youth (0–19)
470 20.3%
Swiss citizens
2'054 88.6%
Foreign residents
265 11.4%
Population density
324 pop./km²
0–19 · 470 · 20.3%20–64 · 1'300 · 56.1%65+ · 549 · 23.7%
Foreign residents 11.4%0%64.0%
Population change 2025: +9 (+0.4%) · 10 births · 15 deaths · net migration +13
STATPOP 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026 · swisstopo, retrieved 24.09.2026 · BEVNAT (Statistik der natürlichen Bevölkerungsbewegung) 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Lebern: 25.8% Yes
21.8% YesNo 78.3%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Lebern: 56.1% Yes
54.6% YesNo 45.4%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Lebern: 51.8% Yes
46.8% YesNo 53.2%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Lebern: 58.3% Yes
61.4% YesNo 38.7%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Lebern: 58.3% Yes
61.1% YesNo 38.9%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Lebern: 55.1% Yes
53.9% YesNo 46.1%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Lebern: 40.7% Yes
33.3% YesNo 66.7%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Lebern: 38.2% Yes
33.2% YesNo 66.8%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
FDP24.5% · strongest party
FDP24.5%
SVP23.4%
SP19.7%
Mitte11.2%
GRÜNE9.3%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier115%
Cantonal tax multiplier104%
115%SO range 65%145%
Tax rank 34 of 104 in canton Solothurn
Tax burden
Single, 100'000 CHF gross income
16'343 CHF(16.3%)
Rank 32 of 104 in the canton · 1469 of 2110 in Switzerland
Median canton 16'810 CHF · median Switzerland 15'290 CHF
Cheapest Kammersrohr 13'027 CHF · most expensive Bolken 18'375 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:16'343 CHF(~16.3%)
RiedholzCanton range SolothurnSwitzerland median
Show data table
Gross incomeRiedholzSolothurnSwitzerland median
40'0007.7%6.1–8.8%5.4%
50'00010%7.9–11.4%7.8%
60'00011.9%9.4–13.5%10.5%
70'00013.3%10.5–15.1%11.9%
80'00014.5%11.5–16.3%13.1%
90'00015.3%12.2–17.3%14.1%
100'00016.3%13–18.4%15.3%
110'00017.2%13.8–19.3%16.3%
120'00017.9%14.4–20.1%17.2%
130'00018.7%15.1–20.9%18.1%
140'00019.5%15.7–21.8%19%
150'00020.2%16.4–22.5%19.7%
175'00021.8%17.8–24.3%21.6%
200'00023.2%19.1–25.8%23.2%
225'00024.4%20.1–27%24.6%
250'00025.5%21.1–28.2%25.8%
275'00026.4%21.9–29.1%26.8%
300'00027.1%22.5–29.8%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20209 °C
Precipitation 1991–20201'384 mm
9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
623 m
Mean elevation
515 m
Relief
206 m
Mean slope
6.9°
Flat share
37.1%
South-facing
37.6%
Above 2000 m
0.0%
Relief 206 m0 m3'847 m

Terrain figures cover the whole municipal territory (swisstopo swissALTIRegio) — not the settlement point. Slope and south-facing share are resolution-dependent and measured at 40 m.

swissALTIRegio 2026 · swisstopo, retrieved 28.08.2026
Roof potential
23.6 GWh/yr
Roofs + façades
31.1 GWh/yr
≈ households powered
5'300
Per inhabitant
10'190 kWh/yr
24 GWh/yr01'133 GWh/yr
BFE solar factsheet ↗

Modelled roof and façade potential from the BFE solar model — the electricity these surfaces could produce, not installed capacity or what the municipality actually generates today. The household figure divides the roof potential by 4'500 kWh per year, ElCom’s reference household (consumption profile H4, a 5-room apartment).

Swiss Federal Office of Energy (SFOE), retrieved 24.09.2026

Electricity

ElCom · 2027
Tariff H4
25.19 Rp./kWh
Energy
7.97 Rp./kWh
Grid usage
11.91 Rp./kWh
Levies + grid surcharge
3.4 Rp./kWh
25.19 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator BKW Energie AG
ElCom tariff comparison ↗
How this is measured

Total household electricity price for ElCom consumption profile H4 — 4'500 kWh a year, a 5-room flat with electric stove and tumble dryer — standard product, excluding VAT, for the tariff year shown. Energy, grid usage, levies to public bodies and the federal grid surcharge are included. Canton and Swiss medians are ElCom's own published figures.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Standard model, deductible 300606 CHF/mo
Ø premium in canton Solothurn424 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Solothurn (2024, BAG) — it applies canton-wide, not to any single location.

2024 · Federal Office of Public Health (FOPH), retrieved 12.09.2026

Housing

BFS · ARE
Vacancy rate
4.33 %
Second homes
7.6 %
Avg. rooms
4.3
Dwellings
1'085
Built before 194620.6%
Built since 200125.7%
4.33 %0 %12 %

Vacancy rate from the BFS vacant-dwelling count (2025); building age and room count from the Buildings and Dwellings Statistics (2024). The average room count treats the ‘6 rooms or more’ class as 6, so it is a slight lower bound. The vacancy rate is volatile for small municipalities.

Buildings and Dwellings Statistics 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 24.09.2026 · Dwelling inventory and second-home share 2026 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Economy

BFS · 2024
Jobs
473
Workplaces
115
Services share
64.7 %
Jobs by sector: Primary 33 (7.0%) · Secondary 134 (28.3%) · Tertiary 306 (64.7%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
9
Organic share
0 %
Farmland
220 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 76 min · Car 48 min
AgglomerationPT 26 min · Car 18 min
Remoteness 20/104 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number2554
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities2'319 #40 SO · #892 CHGrowing municipalities0.4% #53 SO · #1172 CHShrinking municipalities0.4% #53 SO · #936 CHJobs per resident0.2 #78 SO · #1774 CHFamilies & children20.3% #40 SO · #1033 CHAge structure23.7% #33 SO · #555 CHWomen share51.4% #9 SO · #258 CHForeign residents11.4% #75 SO · #1594 CHPopulation density324/km² #49 SO · #732 CHTax burden16'343 #32 SO · #1469 CHTaxes115% #34 SOWarmest municipalities9 °C #85 SO · #1371 CHSunniest municipalities40.6% #43 SO · #1569 CHRainiest municipalities1'384 mm #8 SO · #375 CHVoter turnout56.5% #32 SO · #1021 CHAgainst Switzerland6.9% #66 SO · #1371 CHAligned with Switzerland93.1% #12 SO · #97 CHSVP strongholds23.4% #93 SO · #1642 CHSP strongholds19.7% #19 SO · #489 CHCentre strongholds11.2% #92 SO · #1098 CHFDP strongholds24.5% #18 SO · #250 CHGLP strongholds8.3% #10 SO · #530 CHGreen strongholds9.3% #32 SO · #666 CHLargest by area7.2 km² #40 SO · #1226 CHHighest municipalities474 m #54 SO · #1358 CHSecond homes7.6% #84 SO · #1696 CHOrganic farming0% #89 SO · #1773 CHBest-connected municipalities76 min #87 SO · #1261 CHRemotest municipalities76 min #20 SO · #858 CHHighest peaks623 m #59 SO · #1449 CHHighest-lying municipalities515 m #50 SO · #1366 CHGreatest vertical range206 m #57 SO · #1337 CHSteepest municipalities6.9° #57 SO · #1254 CHSolar potential24 GWh #36 SO · #890 CHSolar potential per capita10'190 kWh #41 SO · #1039 CHCheapest electricity25.19 Rp./kWh #18 SO · #476 CHMost expensive electricity25.19 Rp./kWh #99 SO · #1644 CH

Localities

swisstopo · 2
What is the postal code of Riedholz?
Riedholz has 2 postal codes: 4523, 4533.
What is the tax rate in Riedholz?
The municipal tax multiplier of Riedholz is 115% (2026); canton SO levies 104%.
How much tax do you pay in Riedholz?
A single person without children pays about 16'343 CHF income tax in Riedholz on 100'000 CHF gross income (federal, cantonal, municipal), rank 32 of 104 in canton SO. Source: ESTV (2026).
How many residents does Riedholz have?
Riedholz has 2'319 residents (2025).
How many foreign residents live in Riedholz?
Riedholz has 265 foreign residents, a share of 11.43% (2025).

Map

OpenStreetMap