What is the postal code of Ziefen?

The postal code of Ziefen is 4417.

What is the tax rate in Ziefen?

The municipal tax multiplier of Ziefen is 59% (2026); canton BL levies 100%.

How much tax do you pay in Ziefen?

A single person without children pays about 16'173 CHF income tax in Ziefen on 100'000 CHF gross income (federal, cantonal, municipal), rank 33 of 86 in canton BL. Source: ESTV (2026).

How many residents does Ziefen have?

Ziefen has 1'740 residents (2025).

How many foreign residents live in Ziefen?

Ziefen has 205 foreign residents, a share of 11.78% (2025).

Switzerland · Canton BL · Bezirk Liestal

Ziefen

4417

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

Demographics

BFS · 2025

Women

872 50.1%

Men

868 49.9%

Children & youth (0–19)

386 22.2%

Swiss citizens

1'535 88.2%

Foreign residents

205 11.8%

Population density

223 pop./km²

0–19 · 386 · 22.2%20–64 · 961 · 55.2%65+ · 393 · 22.6%

Foreign residents 11.8%0%64.0%

Population change 2025: +32 (+1.9%) · 6 births · 11 deaths · net migration +30

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 Ziefen

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 Liestal: 27.7% Yes

30.7% YesNo 69.3%

27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Liestal: 25.5% Yes

26.2% YesNo 73.8%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der Mehrwertabgabe: StichfrageCantonal BL● Rejected · 36.3% YesDistrict Bezirk Liestal: 36.4% Yes

33.7% YesNo 66.3%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der Mehrwertabgabe: GegenvorschlagCantonal BL● Rejected · 43.9% YesDistrict Bezirk Liestal: 41.7% Yes

40.2% YesNo 59.8%

27.09.2026Gesetzesinitiative Fairer Kompromiss bei der MehrwertabgabeCantonal BL● Rejected · 31.7% YesDistrict Bezirk Liestal: 32.1% Yes

29.9% YesNo 70.1%

14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Liestal: 51.8% Yes

47.3% YesNo 52.7%

14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Liestal: 43.9% Yes

42.7% YesNo 57.3%

14.06.2026Neue Ortsdurchfahrt BirsfeldenCantonal BL● Accepted · 56.2% YesDistrict Bezirk Liestal: 56.9% Yes

54.6% YesNo 45.4%

14.06.2026Gesetzesinitiative Energiepolitik nur mit der BevölkerungCantonal BL● Rejected · 44.4% YesDistrict Bezirk Liestal: 45.4% Yes

39.4% YesNo 60.6%

14.06.2026Verfassungsinitiative Zämme in EuropaCantonal BL● Accepted · 53.7% YesDistrict Bezirk Liestal: 53.0% Yes

52.3% YesNo 47.7%

All federal votes →

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

Politics

National Council election 2023

SP31.0% · strongest party

SP31.0%

SVP27.6%

GRÜNE13.0%

FDP8.5%

GLP6.3%

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

Taxes 2026

ESTV

Municipal tax multiplier59%

Cantonal tax multiplier100%

59%BL range 45%72%

Tax rank 40 of 86 in canton Basel-Landschaft

Tax burden

Single, 100'000 CHF gross income

16'173 CHF(16.2%)

Rank 33 of 86 in the canton · 1368 of 2110 in Switzerland

Median canton 16'264 CHF · median Switzerland 15'290 CHF

Cheapest Pfeffingen 14'899 CHF · most expensive Waldenburg 17'356 CHF

Income tax as % of gross income

100'000 CHF:16'173 CHF(~16.2%)

ZiefenCanton range Basel-LandschaftSwitzerland median

Show data table

Gross income	Ziefen	Basel-Landschaft	Switzerland median
40'000	6.2%	5.7–6.7%	5.4%
50'000	8.5%	7.8–9.2%	7.8%
60'000	10.6%	9.7–11.4%	10.5%
70'000	12.3%	11.3–13.2%	11.9%
80'000	13.7%	12.6–14.7%	13.1%
90'000	14.8%	13.7–16%	14.1%
100'000	16.2%	14.9–17.4%	15.3%
110'000	17.4%	16–18.6%	16.3%
120'000	18.4%	17–19.7%	17.2%
130'000	19.3%	17.9–20.7%	18.1%
140'000	20.3%	18.7–21.7%	19%
150'000	21.1%	19.5–22.5%	19.7%
175'000	23%	21.3–24.5%	21.6%
200'000	24.6%	22.8–26.2%	23.2%
225'000	25.9%	24.1–27.6%	24.6%
250'000	27.1%	25.3–28.8%	25.8%
275'000	28.1%	26.3–29.9%	26.8%
300'000	29%	27.1–30.8%	27.4%

2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020

Annual mean temperature 1991–202010.2 °C

Precipitation 1991–20201'059 mm

10.2 °CCH range -5.5°14°

1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m

Highest point

756 m

Mean elevation

510 m

Relief

356 m

Mean slope

12.7°

Flat share

15.3%

South-facing

14.9%

Above 2000 m

0.0%

Relief 356 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

14.8 GWh/yr

Roofs + façades

19.8 GWh/yr

≈ households powered

3'300

Per inhabitant

8'500 kWh/yr

15 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

25.7 Rp./kWh

Energy

11.11 Rp./kWh

Grid usage

10.62 Rp./kWh

Levies + grid surcharge

2.64 Rp./kWh

25.7 Rp./kWh10.5645.88

Canton median 31.21 Rp./kWhSwiss median 26.53 Rp./kWh

Network operator EBL (Genossenschaft Elektra Baselland)

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

Premium regionRegion 2

Standard model, deductible 300635 CHF/mo

Ø premium in canton Basel-Landschaft479 CHF/mo

Estimate Switzerland 2026465.3 CHF/mo

Compare health insurers in Ziefen →Canton Basel-Landschaft →Premiums explained →

Premiums are set per canton and premium region. This area lies in premium region 2 of canton Basel-Landschaft. Shown is the average adult premium paid across the whole canton Basel-Landschaft (2024, BAG) — a region-specific average is not available in the cantonal data.

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

Housing

BFS · ARE

Vacancy rate

0 %

Second homes

10.6 %

Avg. rooms

4.4

Dwellings

753

Built before 194631.2%

Built since 200124.3%

0 %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

481

Workplaces

120

Services share

39.7 %

Jobs by sector: Primary 42 (8.7%) · Secondary 248 (51.6%) · Tertiary 191 (39.7%)

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

Agriculture

BFS · 2025

Farms

Organic share

18.8 %

Farmland

390 ha

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

Accessibility

ARE · NPVM

Major centrePT 49 min · Car 33 min

AgglomerationPT 49 min · Car 33 min

Remoteness 37/86 in canton

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

Municipality

Wikidata · CC0

BFS municipality number2834

Websiteziefen.ch ↗

DistrictBezirk Liestal

Wikidata · continuously updated, retrieved 24.09.2026

Where Ziefen ranks

Largest municipalities1'740 #34 BL · #1061 CH Growing municipalities1.9% #17 BL · #393 CH Shrinking municipalities1.9% #72 BL · #1719 CH Jobs per resident0.28 #45 BL · #1384 CH Families & children22.2% #4 BL · #498 CH Age structure22.6% #57 BL · #751 CH Women share50.1% #43 BL · #870 CH Foreign residents11.8% #66 BL · #1567 CH Population density223/km² #47 BL · #967 CH Tax burden16'173 #40 BL · #1375 CH Taxes59% #40 BL Warmest municipalities10.2 °C #35 BL · #333 CH Sunniest municipalities41.7% #24 BL · #1181 CH Rainiest municipalities1'059 mm #22 BL · #1333 CH Voter turnout61.6% #8 BL · #453 CH Against Switzerland17.6% #16 BL · #694 CH Aligned with Switzerland82.4% #35 BL · #743 CH SVP strongholds27.6% #72 BL · #1425 CH SP strongholds31% #4 BL · #35 CH Centre strongholds5.8% #73 BL · #1705 CH FDP strongholds8.5% #71 BL · #1548 CH GLP strongholds6.3% #40 BL · #906 CH Green strongholds13% #11 BL · #247 CH Largest by area7.8 km² #23 BL · #1163 CH Highest municipalities430 m #53 BL · #1706 CH Second homes10.6% #39 BL · #1112 CH Organic farming18.8% #35 BL · #702 CH Best-connected municipalities49 min #49 BL · #435 CH Remotest municipalities49 min #37 BL · #1673 CH Highest peaks756 m #28 BL · #1070 CH Highest-lying municipalities510 m #43 BL · #1387 CH Greatest vertical range356 m #32 BL · #885 CH Steepest municipalities12.7° #38 BL · #716 CH Solar potential15 GWh #34 BL · #1249 CH Solar potential per capita8'500 kWh #37 BL · #1359 CH Cheapest electricity25.7 Rp./kWh #21 BL · #744 CH Most expensive electricity25.7 Rp./kWh #38 BL · #1336 CH

Postal codes (1)

swisstopo

4417

Ziefen

Localities

swisstopo · 1

Ziefen4417

Nearby municipalities

swisstopo

Frequently asked questions

What is the postal code of Ziefen?: The postal code of Ziefen is 4417.
What is the tax rate in Ziefen?: The municipal tax multiplier of Ziefen is 59% (2026); canton BL levies 100%.
How much tax do you pay in Ziefen?: A single person without children pays about 16'173 CHF income tax in Ziefen on 100'000 CHF gross income (federal, cantonal, municipal), rank 33 of 86 in canton BL. Source: ESTV (2026).
How many residents does Ziefen have?: Ziefen has 1'740 residents (2025).
How many foreign residents live in Ziefen?: Ziefen has 205 foreign residents, a share of 11.78% (2025).

Map

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