What is the postal code of Härkingen?

The postal code of Härkingen is 4624.

What is the tax rate in Härkingen?

The municipal tax multiplier of Härkingen is 89% (2026); canton SO levies 104%.

How much tax do you pay in Härkingen?

A single person without children pays about 14'628 CHF income tax in Härkingen on 100'000 CHF gross income (federal, cantonal, municipal), rank 4 of 104 in canton SO. Source: ESTV (2026).

How many residents does Härkingen have?

Härkingen has 1'763 residents (2025).

How many foreign residents live in Härkingen?

Härkingen has 288 foreign residents, a share of 16.34% (2025).

Switzerland · Canton SO · Bezirk Gäu

Härkingen

4624

Relief © swisstopo · TINITALY · geoland.at · LGL · IGN · swissTLM3D · swissTLMRegio

Demographics

BFS · 2025

Women

850 48.2%

Men

913 51.8%

Children & youth (0–19)

373 21.2%

Swiss citizens

1'475 83.7%

Foreign residents

288 16.3%

Population density

320 pop./km²

0–19 · 373 · 21.2%20–64 · 1'086 · 61.6%65+ · 304 · 17.2%

Foreign residents 16.3%0%64.0%

Population change 2025: −18 (−1%) · 21 births · 15 deaths · net migration −24

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

Vote results for Härkingen

BFS

27.09.2026Popular Initiative 'For food security – through increased sustainable domestic production, more plant-based food and clean drinking water (Food Initiative)'Federal● Rejected · 27.5% YesDistrict Bezirk Gäu: 19.4% Yes

18.8% YesNo 81.2%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Gäu: 32.5% Yes

36.5% YesNo 63.5%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Gäu: 64.0% Yes

63.8% YesNo 36.2%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Gäu: 62.1% Yes

63.2% YesNo 36.8%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung des KantonsratsgesetzesCantonal SO● Accepted · 58.6% YesDistrict Bezirk Gäu: 50.2% Yes

49.4% YesNo 50.6%

14.06.2026Stellvertretung im Kantonsrat bei Mutterschaft: Änderung der KantonsverfassungCantonal SO● Accepted · 58.7% YesDistrict Bezirk Gäu: 50.6% Yes

50.2% YesNo 49.9%

08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Gäu: 48.6% Yes

50.1% YesNo 49.9%

08.03.2026Popular Initiative ‘For a fair energy and climate policy: Investing for prosperity, jobs and the environment (Climate Fund Initiative)’Federal● Rejected · 29.3% YesDistrict Bezirk Gäu: 16.6% Yes

15.2% YesNo 84.8%

08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Gäu: 46.6% Yes

52.3% YesNo 47.8%

08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Gäu: 43.2% Yes

45.7% YesNo 54.3%

All federal votes →

Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023

SVP38.3% · strongest party

SVP38.3%

Mitte27.1%

FDP14.6%

SP9.7%

GRÜNE4.3%

sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026

Taxes 2026

ESTV

Municipal tax multiplier89%

Cantonal tax multiplier104%

89%SO range 65%145%

Tax rank 4 of 104 in canton Solothurn

Tax burden

Single, 100'000 CHF gross income

14'628 CHF(14.6%)

Rank 4 of 104 in the canton · 952 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:14'628 CHF(~14.6%)

HärkingenCanton range SolothurnSwitzerland median

Show data table

Gross income	Härkingen	Solothurn	Switzerland median
40'000	6.9%	6.1–8.8%	5.4%
50'000	8.9%	7.9–11.4%	7.8%
60'000	10.6%	9.4–13.5%	10.5%
70'000	11.9%	10.5–15.1%	11.9%
80'000	12.9%	11.5–16.3%	13.1%
90'000	13.7%	12.2–17.3%	14.1%
100'000	14.6%	13–18.4%	15.3%
110'000	15.4%	13.8–19.3%	16.3%
120'000	16.1%	14.4–20.1%	17.2%
130'000	16.8%	15.1–20.9%	18.1%
140'000	17.5%	15.7–21.8%	19%
150'000	18.2%	16.4–22.5%	19.7%
175'000	19.8%	17.8–24.3%	21.6%
200'000	21.1%	19.1–25.8%	23.2%
225'000	22.2%	20.1–27%	24.6%
250'000	23.2%	21.1–28.2%	25.8%
275'000	24%	21.9–29.1%	26.8%
300'000	24.7%	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 1991–20201'092 mm

9.6 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

451 m

Mean elevation

431 m

Relief

35 m

Mean slope

1.3°

Flat share

94.4%

South-facing

1.1%

Above 2000 m

0.0%

Relief 35 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

35.6 GWh/yr

Roofs + façades

42.2 GWh/yr

≈ households powered

7'900

Per inhabitant

20'216 kWh/yr

36 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

27.07 Rp./kWh

Energy

12.45 Rp./kWh

Grid usage

9.75 Rp./kWh

Levies + grid surcharge

2.6 Rp./kWh

27.07 Rp./kWh10.5645.88

Canton median 28.51 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator HEnergie Härkingen HEH

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

Health-insurance premiums

BAG · 2024

Standard model, deductible 300606 CHF/mo

Ø premium in canton Solothurn424 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Härkingen →Canton Solothurn →Premiums explained →

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

0.85 %

Second homes

8.2 %

Avg. rooms

Dwellings

828

Built before 194616.1%

Built since 200138.8%

0.85 %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

3'491

Workplaces

196

Services share

86.4 %

Jobs by sector: Primary 25 (0.7%) · Secondary 450 (12.9%) · Tertiary 3'016 (86.4%)

STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025

Farms

Organic share

12.5 %

Farmland

231 ha

Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM

Major centrePT 64 min · Car 36 min

AgglomerationPT 25 min · Car 16 min

Remoteness 50/104 in canton

National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0

BFS municipality number2402

Websitehaerkingen.ch ↗

DistrictBezirk Gäu

Wikidata · continuously updated, retrieved 24.09.2026

Where Härkingen ranks

Largest municipalities1'763 #50 SO · #1050 CH Growing municipalities-1% #87 SO · #1812 CH Shrinking municipalities-1% #18 SO · #296 CH Jobs per resident1.98 #1 SO · #12 CH Families & children21.2% #16 SO · #744 CH Age structure17.2% #101 SO · #1741 CH Women share48.2% #86 SO · #1815 CH Foreign residents16.3% #45 SO · #1175 CH Population density320/km² #50 SO · #740 CH Tax burden14'628 #4 SO · #952 CH Taxes89% #4 SO Warmest municipalities9.6 °C #24 SO · #874 CH Sunniest municipalities40.3% #53 SO · #1678 CH Rainiest municipalities1'092 mm #60 SO · #1152 CH Voter turnout53.8% #51 SO · #1378 CH Against Switzerland17.6% #20 SO · #690 CH Aligned with Switzerland82.4% #55 SO · #739 CH SVP strongholds38.3% #19 SO · #750 CH SP strongholds9.7% #75 SO · #1550 CH Centre strongholds27.1% #19 SO · #299 CH FDP strongholds14.6% #60 SO · #859 CH GLP strongholds3.7% #85 SO · #1458 CH Green strongholds4.3% #86 SO · #1675 CH Largest by area5.5 km² #58 SO · #1468 CH Highest municipalities430 m #83 SO · #1703 CH Second homes8.2% #74 SO · #1584 CH Organic farming12.5% #48 SO · #1037 CH Best-connected municipalities64 min #52 SO · #907 CH Remotest municipalities64 min #50 SO · #1200 CH Highest peaks451 m #101 SO · #2019 CH Highest-lying municipalities431 m #90 SO · #1861 CH Greatest vertical range35 m #99 SO · #2073 CH Steepest municipalities1.3° #99 SO · #2055 CH Solar potential36 GWh #23 SO · #550 CH Solar potential per capita20'216 kWh #3 SO · #176 CH Cheapest electricity27.07 Rp./kWh #35 SO · #1125 CH Most expensive electricity27.07 Rp./kWh #70 SO · #980 CH

Postal codes (1)

swisstopo

4624

Härkingen

Localities

swisstopo · 1

Härkingen4624

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Härkingen?: The postal code of Härkingen is 4624.
What is the tax rate in Härkingen?: The municipal tax multiplier of Härkingen is 89% (2026); canton SO levies 104%.
How much tax do you pay in Härkingen?: A single person without children pays about 14'628 CHF income tax in Härkingen on 100'000 CHF gross income (federal, cantonal, municipal), rank 4 of 104 in canton SO. Source: ESTV (2026).
How many residents does Härkingen have?: Härkingen has 1'763 residents (2025).
How many foreign residents live in Härkingen?: Härkingen has 288 foreign residents, a share of 16.34% (2025).

Map

OpenStreetMap

Compare

Härkingen compared with