What is the postal code of Feldbrunnen-St. Niklaus?

The postal code of Feldbrunnen-St. Niklaus is 4532.

What is the tax rate in Feldbrunnen-St. Niklaus?

The municipal tax multiplier of Feldbrunnen-St. Niklaus is 68% (2026); canton SO levies 104%.

How much tax do you pay in Feldbrunnen-St. Niklaus?

A single person without children pays about 13'227 CHF income tax in Feldbrunnen-St. Niklaus on 100'000 CHF gross income (federal, cantonal, municipal), rank 2 of 104 in canton SO. Source: ESTV (2026).

How many residents does Feldbrunnen-St. Niklaus have?

Feldbrunnen-St. Niklaus has 1'068 residents (2025).

How many foreign residents live in Feldbrunnen-St. Niklaus?

Feldbrunnen-St. Niklaus has 134 foreign residents, a share of 12.55% (2025).

Feldbrunnen-St. Niklaus (SO): Postal Codes 4532, Tax Rate & Population

Demographics

BFS · 2025

Women

524 49.1%

Men

544 50.9%

Children & youth (0–19)

163 15.3%

Swiss citizens

934 87.5%

Foreign residents

134 12.6%

Population density

425 pop./km²

0–19 · 163 · 15.3%20–64 · 621 · 58.1%65+ · 284 · 26.6%

Foreign residents 12.6%0%64.0%

STATPOP 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026 · swisstopo, retrieved 24.08.2026

Vote results for Feldbrunnen-St. Niklaus

BFS

14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% Yes

38.9% YesNo 61.2%

14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% Yes

38.1% YesNo 61.9%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% Yes

55.9% YesNo 44.1%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% Yes

55.4% YesNo 44.6%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

61.7% YesNo 38.3%

08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% Yes

19.1% YesNo 80.9%

08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% Yes

37.2% YesNo 62.8%

08.03.2026Bargeldinitiative und Gegenvorschlag: StichfrageFederal● Rejected · 37.4% Yes

25.4% YesNo 74.6%

08.03.2026Bundesbeschluss über die schweizerische Währung und die Bargeldversorgung (Gegenvorschlag zur Bargeldinitiative)Federal● Accepted · 73.4% Yes

77.8% YesNo 22.2%

08.03.2026Volksinitiative «Ja zu einer unabhängigen, freien Schweizer Währung mit Münzen oder Banknoten (Bargeld ist Freiheit)»Federal● Rejected · 45.6% Yes

33.2% YesNo 66.8%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 31.08.2026

Politics

National Council election 2023

FDP40.7% · strongest party

FDP40.7%

SVP19.3%

Mitte12.6%

SP9.6%

GRÜNE8.7%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 31.08.2026

Taxes 2026

ESTV

Municipal tax multiplier68%

Cantonal tax multiplier104%

68%SO range 65%145%

Tax rank 2 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

13'227 CHF(13.2%)

Rank 2 of 104 in the canton · 595 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

100'000 CHF:13'227 CHF(~13.2%)

Feldbrunnen-St. NiklausCanton range SolothurnSwitzerland median

Show data table

Gross income	Feldbrunnen-St. Niklaus	Solothurn	Switzerland median
40'000	6.2%	6.1–8.8%	5.4%
50'000	8%	7.9–11.4%	7.8%
60'000	9.5%	9.4–13.5%	10.5%
70'000	10.7%	10.5–15.1%	11.9%
80'000	11.6%	11.5–16.3%	13.1%
90'000	12.4%	12.2–17.3%	14.1%
100'000	13.2%	13–18.4%	15.3%
110'000	14%	13.8–19.3%	16.3%
120'000	14.6%	14.4–20.1%	17.2%
130'000	15.3%	15.1–20.9%	18.1%
140'000	16%	15.7–21.8%	19%
150'000	16.6%	16.4–22.5%	19.7%
175'000	18.1%	17.8–24.3%	21.6%
200'000	19.3%	19.1–25.8%	23.2%
225'000	20.4%	20.1–27%	24.6%
250'000	21.4%	21.1–28.2%	25.8%
275'000	22.2%	21.9–29.1%	26.8%
300'000	22.8%	22.5–29.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 31.08.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–20209.6 °C

Precipitation 1991–20201'215 mm

9.6 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

596 m

Mean elevation

484 m

Relief

170 m

Mean slope

5.5°

Flat share

55.1%

South-facing

25.9%

Above 2000 m

0.0%

Relief 170 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

Solar potential

BFE

Roof potential

6.6 GWh/yr

Roofs + façades

9 GWh/yr

≈ households powered

1'500

7 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 31.08.2026

Electricity

ElCom · 2026

Tariff H4

26.9 Rp./kWh

Energy

10.89 Rp./kWh

Grid usage

11.25 Rp./kWh

Levies + grid surcharge

3 Rp./kWh

26.9 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 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.

2026 · Federal Electricity Commission (ElCom), retrieved 28.08.2026

Housing

BFS

Vacancy rate

2.22 %

Avg. rooms

4.3

Dwellings

541

Built before 194612.0%

Built since 200134.9%

2.22 %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 31.08.2026 · Vacant dwellings survey 2025 · Federal Statistical Office (FSO), retrieved 31.08.2026

Accessibility

ARE · NPVM

Major centrePT 61 min · Car 42 min

AgglomerationPT 16 min · Car 10 min

Remoteness 63/104 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 28.08.2026

Municipality

Wikidata · CC0

Websitefeldbrunnen.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

31

Largest municipalities1'068 #73 SO · #1418 CH Families & children15.3% #103 SO · #1956 CH Age structure26.6% #11 SO · #260 CH Women share49.1% #71 SO · #1477 CH Foreign residents12.6% #67 SO · #1496 CH Population density425/km² #36 SO · #581 CH Tax burden13'227 #2 SO · #595 CH Taxes68% #2 SO Warmest municipalities9.6 °C #32 SO · #882 CH Sunniest municipalities40.1% #84 SO · #1809 CH Rainiest municipalities1'215 mm #18 SO · #666 CH Voter turnout65.6% #3 SO · #135 CH Against Switzerland14% #34 SO · #1005 CH Aligned with Switzerland86% #44 SO · #461 CH SVP strongholds19.3% #96 SO · #1812 CH SP strongholds9.6% #77 SO · #1552 CH Centre strongholds12.6% #83 SO · #984 CH FDP strongholds40.7% #2 SO · #17 CH GLP strongholds6.1% #39 SO · #948 CH Green strongholds8.7% #34 SO · #761 CH Largest by area2.5 km² #92 SO · #1943 CH Highest municipalities452 m #70 SO · #1521 CH Remotest municipalities61 min #63 SO · #1295 CH Best-connected municipalities61 min #42 SO · #813 CH Highest peaks596 m #64 SO · #1561 CH Highest-lying municipalities484 m #64 SO · #1511 CH Greatest vertical range170 m #63 SO · #1490 CH Steepest municipalities5.5° #70 SO · #1472 CH Solar potential7 GWh #88 SO · #1790 CH Cheapest electricity26.9 Rp./kWh #4 SO · #588 CH Most expensive electricity26.9 Rp./kWh #101 SO · #1519 CH

Postal codes (1)

swisstopo

4532

Feldbrunnen

Localities

swisstopo · 1

Feldbrunnen4532

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Feldbrunnen-St. Niklaus?: The postal code of Feldbrunnen-St. Niklaus is 4532.
What is the tax rate in Feldbrunnen-St. Niklaus?: The municipal tax multiplier of Feldbrunnen-St. Niklaus is 68% (2026); canton SO levies 104%.
How much tax do you pay in Feldbrunnen-St. Niklaus?: A single person without children pays about 13'227 CHF income tax in Feldbrunnen-St. Niklaus on 100'000 CHF gross income (federal, cantonal, municipal), rank 2 of 104 in canton SO. Source: ESTV (2026).
How many residents does Feldbrunnen-St. Niklaus have?: Feldbrunnen-St. Niklaus has 1'068 residents (2025).
How many foreign residents live in Feldbrunnen-St. Niklaus?: Feldbrunnen-St. Niklaus has 134 foreign residents, a share of 12.55% (2025).

Map

OpenStreetMap

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