What is the postal code of Kestenholz?

The postal code of Kestenholz is 4703.

What is the tax rate in Kestenholz?

The municipal tax multiplier of Kestenholz is 117% (2026); canton SO levies 104%.

How much tax do you pay in Kestenholz?

A single person without children pays about 16'476 CHF income tax in Kestenholz on 100'000 CHF gross income (federal, cantonal, municipal), rank 37 of 104 in canton SO. Source: ESTV (2026).

How many residents does Kestenholz have?

Kestenholz has 1'888 residents (2025).

How many foreign residents live in Kestenholz?

Kestenholz has 193 foreign residents, a share of 10.22% (2025).

Switzerland · Canton SO

Kestenholz

4703

SO CANTON4703

Residents

1'888

Area

8.6 km²

Population density

220 pop./km²

Elevation

498 m a.s.l.

Tax multiplier

117%

Postal codes

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN

Demographics

BFS · 2025

Women

927 49.1%

Men

961 50.9%

Children & youth (0–19)

383 20.3%

Swiss citizens

1'695 89.8%

Foreign residents

193 10.2%

Population density

220 pop./km²

0–19 · 383 · 20.3%20–64 · 1'106 · 58.6%65+ · 399 · 21.1%

Foreign residents 10.2%0%64.0%

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

Vote results for Kestenholz

BFS

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

64.5% YesNo 35.5%

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

59.1% YesNo 40.9%

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

52.9% YesNo 47.1%

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

53.4% YesNo 46.6%

08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% Yes

44.9% YesNo 55.1%

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

14.4% YesNo 85.6%

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

39.8% YesNo 60.2%

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

38.2% YesNo 61.8%

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

72.4% YesNo 27.6%

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

44.0% YesNo 56.0%

All federal votes →

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

Politics

National Council election 2023

Mitte40.6% · strongest party

Mitte40.6%

SVP27.2%

FDP13.9%

SP8.5%

GRÜNE4.4%

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

Taxes 2026

ESTV

Municipal tax multiplier117%

Cantonal tax multiplier104%

117%SO range 65%145%

Tax rank 38 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

16'476 CHF(16.5%)

Rank 37 of 104 in the canton · 1557 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:16'476 CHF(~16.5%)

KestenholzCanton range SolothurnSwitzerland median

Show data table

Gross income	Kestenholz	Solothurn	Switzerland median
40'000	7.8%	6.1–8.8%	5.4%
50'000	10.1%	7.9–11.4%	7.8%
60'000	12%	9.4–13.5%	10.5%
70'000	13.4%	10.5–15.1%	11.9%
80'000	14.6%	11.5–16.3%	13.1%
90'000	15.5%	12.2–17.3%	14.1%
100'000	16.5%	13–18.4%	15.3%
110'000	17.3%	13.8–19.3%	16.3%
120'000	18.1%	14.4–20.1%	17.2%
130'000	18.9%	15.1–20.9%	18.1%
140'000	19.6%	15.7–21.8%	19%
150'000	20.3%	16.4–22.5%	19.7%
175'000	22%	17.8–24.3%	21.6%
200'000	23.4%	19.1–25.8%	23.2%
225'000	24.6%	20.1–27%	24.6%
250'000	25.7%	21.1–28.2%	25.8%
275'000	26.5%	21.9–29.1%	26.8%
300'000	27.3%	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 1991–20209.5 °C

Precipitation 1991–20201'112 mm

9.5 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

520 m

Mean elevation

465 m

Relief

90 m

Mean slope

4.1°

Flat share

67.7%

South-facing

10.9%

Above 2000 m

0.0%

Relief 90 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

20.3 GWh/yr

Roofs + façades

25.2 GWh/yr

≈ households powered

4'500

20 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

43.61 Rp./kWh

Energy

25.5 Rp./kWh

Grid usage

11.98 Rp./kWh

Levies + grid surcharge

3.2 Rp./kWh

43.61 Rp./kWh9.6443.61

Canton median 30.42 Rp./kWhSwiss median 27.7 Rp./kWh

Network operator Energie Kestenholz

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

0.45 %

Avg. rooms

4.3

Dwellings

885

Built before 194624.2%

Built since 200120.2%

0.45 %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 79 min · Car 44 min

AgglomerationPT 18 min · Car 10 min

Remoteness 9/104 in canton

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

Municipality

Wikidata · CC0

Websitekestenholz.ch ↗

Wikidata · continuously updated, retrieved 31.08.2026

Rankings

Largest municipalities1'888 #46 SO · #1005 CH Families & children20.3% #38 SO · #1031 CH Age structure21.1% #66 SO · #1025 CH Women share49.1% #70 SO · #1476 CH Foreign residents10.2% #79 SO · #1682 CH Population density220/km² #63 SO · #974 CH Tax burden16'476 #38 SO · #1558 CH Taxes117% #38 SO Warmest municipalities9.5 °C #37 SO · #966 CH Sunniest municipalities39.9% #98 SO · #1930 CH Rainiest municipalities1'112 mm #49 SO · #1041 CH Voter turnout54.9% #35 SO · #1087 CH Against Switzerland11% #50 SO · #1171 CH Aligned with Switzerland89% #24 SO · #291 CH SVP strongholds27.2% #85 SO · #1445 CH SP strongholds8.5% #79 SO · #1651 CH Centre strongholds40.6% #2 SO · #128 CH FDP strongholds13.9% #68 SO · #932 CH GLP strongholds3.3% #93 SO · #1530 CH Green strongholds4.4% #83 SO · #1650 CH Largest by area8.6 km² #27 SO · #1083 CH Highest municipalities498 m #40 SO · #1218 CH Remotest municipalities79 min #9 SO · #787 CH Best-connected municipalities79 min #96 SO · #1334 CH Highest peaks520 m #77 SO · #1812 CH Highest-lying municipalities465 m #73 SO · #1619 CH Greatest vertical range90 m #79 SO · #1883 CH Steepest municipalities4.1° #76 SO · #1725 CH Solar potential20 GWh #43 SO · #1006 CH Cheapest electricity43.61 Rp./kWh #104 SO · #2106 CH Most expensive electricity43.61 Rp./kWh #1 SO · #1 CH

Postal codes (1)

swisstopo

4703

Kestenholz

Localities

swisstopo · 1

Kestenholz4703

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Kestenholz?: The postal code of Kestenholz is 4703.
What is the tax rate in Kestenholz?: The municipal tax multiplier of Kestenholz is 117% (2026); canton SO levies 104%.
How much tax do you pay in Kestenholz?: A single person without children pays about 16'476 CHF income tax in Kestenholz on 100'000 CHF gross income (federal, cantonal, municipal), rank 37 of 104 in canton SO. Source: ESTV (2026).
How many residents does Kestenholz have?: Kestenholz has 1'888 residents (2025).
How many foreign residents live in Kestenholz?: Kestenholz has 193 foreign residents, a share of 10.22% (2025).

Map

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