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Demographics

BFS · 2025
Women
699 51.1%
Men
670 48.9%
Children & youth (0–19)
292 21.3%
Swiss citizens
1'077 78.7%
Foreign residents
292 21.3%
Population density
249 pop./km²
0–19 · 292 · 21.3%20–64 · 831 · 60.7%65+ · 246 · 18.0%
Foreign residents 21.3%0%64.0%
Population change 2025: +28 (+2.1%) · 20 births · 5 deaths · net migration +7
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 Gäu: 32.5% Yes
34.6% YesNo 65.4%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gäu: 64.0% Yes
65.1% YesNo 35.0%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gäu: 62.1% Yes
66.5% YesNo 33.5%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gäu: 50.2% Yes
43.2% YesNo 56.8%
14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gäu: 50.6% Yes
45.0% YesNo 55.1%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gäu: 48.6% Yes
44.0% YesNo 56.0%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gäu: 46.6% Yes
48.6% YesNo 51.5%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gäu: 43.2% Yes
43.4% YesNo 56.6%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP37.9% · strongest party
SVP37.9%
Mitte30.4%
FDP16.8%
SP4.4%
GLP4.2%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier107%
Cantonal tax multiplier104%
107%SO range 65%145%
Tax rank 12 of 104 in canton Solothurn
Tax burden
Single, 100'000 CHF gross income
15'829 CHF(15.8%)
Rank 11 of 104 in the canton · 1201 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:15'829 CHF(~15.8%)
NiederbuchsitenCanton range SolothurnSwitzerland median
Show data table
Gross incomeNiederbuchsitenSolothurnSwitzerland median
40'0007.5%6.1–8.8%5.4%
50'0009.7%7.9–11.4%7.8%
60'00011.5%9.4–13.5%10.5%
70'00012.9%10.5–15.1%11.9%
80'00014%11.5–16.3%13.1%
90'00014.9%12.2–17.3%14.1%
100'00015.8%13–18.4%15.3%
110'00016.7%13.8–19.3%16.3%
120'00017.4%14.4–20.1%17.2%
130'00018.1%15.1–20.9%18.1%
140'00018.9%15.7–21.8%19%
150'00019.6%16.4–22.5%19.7%
175'00021.2%17.8–24.3%21.6%
200'00022.6%19.1–25.8%23.2%
225'00023.8%20.1–27%24.6%
250'00024.8%21.1–28.2%25.8%
275'00025.7%21.9–29.1%26.8%
300'00026.4%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 1991–20209.6 °C
Precipitation 1991–20201'103 mm
9.6 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
504 m
Mean elevation
455 m
Relief
71 m
Mean slope
3.7°
Flat share
72.2%
South-facing
7.2%
Above 2000 m
0.0%
Relief 71 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
13.5 GWh/yr
Roofs + façades
17.3 GWh/yr
≈ households powered
3'000
Per inhabitant
9'861 kWh/yr
14 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
28.65 Rp./kWh
Energy
12.15 Rp./kWh
Grid usage
12.03 Rp./kWh
Levies + grid surcharge
2.6 Rp./kWh
28.65 Rp./kWh10.5645.88
Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Elektra Niederbuchsiten (ENI)
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
1.87 %
Second homes
6.5 %
Avg. rooms
4
Dwellings
643
Built before 194614.8%
Built since 200134.1%
1.87 %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
709
Workplaces
79
Services share
42.2 %
Jobs by sector: Primary 75 (10.6%) · Secondary 335 (47.2%) · Tertiary 299 (42.2%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
16
Organic share
12.5 %
Farmland
369 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 66 min · Car 41 min
AgglomerationPT 22 min · Car 13 min
Remoteness 46/104 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number2405
DistrictBezirk Gäu
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities1'369 #59 SO · #1243 CHGrowing municipalities2.1% #14 SO · #323 CHShrinking municipalities2.1% #91 SO · #1784 CHJobs per resident0.52 #15 SO · #489 CHFamilies & children21.3% #14 SO · #716 CHAge structure18% #98 SO · #1645 CHWomen share51.1% #12 SO · #348 CHForeign residents21.3% #29 SO · #757 CHPopulation density249/km² #59 SO · #885 CHTax burden15'829 #11 SO · #1201 CHTaxes107% #12 SOWarmest municipalities9.6 °C #26 SO · #876 CHSunniest municipalities40.2% #61 SO · #1730 CHRainiest municipalities1'103 mm #50 SO · #1087 CHVoter turnout52.9% #60 SO · #1482 CHAgainst Switzerland22.5% #8 SO · #349 CHAligned with Switzerland77.5% #65 SO · #1085 CHSVP strongholds37.9% #22 SO · #777 CHSP strongholds4.4% #102 SO · #1962 CHCentre strongholds30.4% #14 SO · #226 CHFDP strongholds16.8% #47 SO · #667 CHGLP strongholds4.2% #77 SO · #1360 CHGreen strongholds2.3% #102 SO · #1936 CHLargest by area5.5 km² #59 SO · #1469 CHHighest municipalities480 m #48 SO · #1316 CHSecond homes6.5% #94 SO · #1905 CHOrganic farming12.5% #49 SO · #1038 CHBest-connected municipalities66 min #57 SO · #964 CHRemotest municipalities66 min #46 SO · #1141 CHHighest peaks504 m #80 SO · #1862 CHHighest-lying municipalities455 m #78 SO · #1686 CHGreatest vertical range71 m #86 SO · #1960 CHSteepest municipalities3.7° #79 SO · #1796 CHSolar potential14 GWh #57 SO · #1321 CHSolar potential per capita9'861 kWh #45 SO · #1091 CHCheapest electricity28.65 Rp./kWh #53 SO · #1538 CHMost expensive electricity28.65 Rp./kWh #52 SO · #569 CH

Localities

swisstopo · 1
What is the postal code of Niederbuchsiten?
The postal code of Niederbuchsiten is 4626.
What is the tax rate in Niederbuchsiten?
The municipal tax multiplier of Niederbuchsiten is 107% (2026); canton SO levies 104%.
How much tax do you pay in Niederbuchsiten?
A single person without children pays about 15'829 CHF income tax in Niederbuchsiten on 100'000 CHF gross income (federal, cantonal, municipal), rank 11 of 104 in canton SO. Source: ESTV (2026).
How many residents does Niederbuchsiten have?
Niederbuchsiten has 1'369 residents (2025).
How many foreign residents live in Niederbuchsiten?
Niederbuchsiten has 292 foreign residents, a share of 21.33% (2025).

Map

OpenStreetMap