Demographics
BFS · 2025Women
5'751 50.8%
Men
5'576 49.2%
Children & youth (0–19)
2'166 19.1%
Swiss citizens
8'159 72.0%
Foreign residents
3'168 28.0%
Population density
1'531 pop./km²
0–19 · 2'166 · 19.1%20–64 · 6'404 · 56.5%65+ · 2'757 · 24.3%
Foreign residents 28.0%0%64.0%
Population change 2025: +190 (+1.7%) · 105 births · 99 deaths · net migration +184
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
14.06.2026Änderung des Bundesgesetzes über den zivilen Ersatzdienst (Zivildienstgesetz, ZDG)Federal● Accepted · 52.5% YesDistrict Bezirk Arlesheim: 50.8% Yes
54.0% YesNo 46.0%
14.06.2026Volksinitiative «Keine 10-Millionen-Schweiz! (Nachhaltigkeitsinitiative)»Federal● Rejected · 45.2% YesDistrict Bezirk Arlesheim: 39.2% Yes
45.3% YesNo 54.7%
14.06.2026Neue Ortsdurchfahrt BirsfeldenCantonal BL● Accepted · 56.2% YesDistrict Bezirk Arlesheim: 58.3% Yes
56.7% YesNo 43.4%
14.06.2026Gesetzesinitiative Energiepolitik nur mit der BevölkerungCantonal BL● Rejected · 44.4% YesDistrict Bezirk Arlesheim: 41.9% Yes
46.4% YesNo 53.6%
14.06.2026Verfassungsinitiative Zämme in EuropaCantonal BL● Accepted · 53.7% YesDistrict Bezirk Arlesheim: 58.0% Yes
55.8% YesNo 44.2%
08.03.2026Bundesgesetz über die IndividualbesteuerungFederal● Accepted · 54.3% YesDistrict Bezirk Arlesheim: 55.4% Yes
52.4% YesNo 47.6%
08.03.2026Volksinitiative «Für eine gerechte Energie- und Klimapolitik: Investieren für Wohlstand, Arbeit und Umwelt (Klimafonds-Initiative)»Federal● Rejected · 29.3% YesDistrict Bezirk Arlesheim: 29.1% Yes
26.8% YesNo 73.2%
08.03.2026Volksinitiative «200 Franken sind genug! (SRG-Initiative)»Federal● Rejected · 38.1% YesDistrict Bezirk Arlesheim: 33.4% Yes
40.3% YesNo 59.7%
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 21.09.2026
Politics
National Council election 2023SVP29.9% · strongest party
SVP29.9%
SP24.6%
FDP15.0%
Mitte13.1%
GRÜNE8.1%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Taxes 2026
ESTVMunicipal tax multiplier56%
Cantonal tax multiplier100%
56%BL range 45%72%
Tax rank 20 of 86 in canton Basel-LandschaftTax burden
Single, 100'000 CHF gross income
15'900 CHF(15.9%)
Rank 15 of 86 in the canton · 1228 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
100'000 CHF:15'900 CHF(~15.9%)
AeschCanton range Basel-LandschaftSwitzerland median
Show data table
| Gross income | Aesch | Basel-Landschaft | Switzerland median |
|---|---|---|---|
| 40'000 | 6.1% | 5.7–6.7% | 5.4% |
| 50'000 | 8.3% | 7.8–9.2% | 7.8% |
| 60'000 | 10.4% | 9.7–11.4% | 10.5% |
| 70'000 | 12.1% | 11.3–13.2% | 11.9% |
| 80'000 | 13.4% | 12.6–14.7% | 13.1% |
| 90'000 | 14.6% | 13.7–16% | 14.1% |
| 100'000 | 15.9% | 14.9–17.4% | 15.3% |
| 110'000 | 17.1% | 16–18.6% | 16.3% |
| 120'000 | 18.1% | 17–19.7% | 17.2% |
| 130'000 | 19% | 17.9–20.7% | 18.1% |
| 140'000 | 19.9% | 18.7–21.7% | 19% |
| 150'000 | 20.8% | 19.5–22.5% | 19.7% |
| 175'000 | 22.6% | 21.3–24.5% | 21.6% |
| 200'000 | 24.2% | 22.8–26.2% | 23.2% |
| 225'000 | 25.5% | 24.1–27.6% | 24.6% |
| 250'000 | 26.7% | 25.3–28.8% | 25.8% |
| 275'000 | 27.7% | 26.3–29.9% | 26.8% |
| 300'000 | 28.6% | 27.1–30.8% | 27.4% |
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026
Climate
MeteoSwiss 1 km grid · 1991–2020Annual mean temperature 1991–202011 °C
Precipitation 1991–2020995 mm
11 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026
Terrain
swisstopo · DHM 40 mHighest point
496 m
Mean elevation
331 m
Relief
209 m
Mean slope
4.5°
Flat share
64.5%
South-facing
6.3%
Above 2000 m
0.0%
Relief 209 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
60.8 GWh/yr
Roofs + façades
79.5 GWh/yr
≈ households powered
13'500
Per inhabitant
5'363 kWh/yr
61 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 · 2027Tariff H4
31.21 Rp./kWh
Energy
13.45 Rp./kWh
Grid usage
13.78 Rp./kWh
Levies + grid surcharge
2.91 Rp./kWh
31.21 Rp./kWh10.5645.88
Canton median 31.21 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator Primeo Netz 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.
2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Health-insurance premiums
BAG · 2024Premium regionRegion 1
Standard model, deductible 300680 CHF/mo
Ø premium in canton Basel-Landschaft479 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo
Premiums are set per canton and premium region. This area lies in premium region 1 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 · AREVacancy rate
0.94 %
Second homes
8.2 %
Avg. rooms
3.7
Dwellings
5'610
Built before 19467.4%
Built since 200126.0%
0.94 %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 · 2024Jobs
5'767
Workplaces
645
Services share
63.9 %
Jobs by sector: Primary 99 (1.7%) · Secondary 1'984 (34.4%) · Tertiary 3'684 (63.9%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026
Agriculture
BFS · 2025Farms
11
Organic share
45.5 %
Farmland
284 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026
Accessibility
ARE · NPVMNational Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026
Municipality
Wikidata · CC0Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities11'327 #9 BL · #147 CHGrowing municipalities1.7% #19 BL · #442 CHShrinking municipalities1.7% #68 BL · #1665 CHJobs per resident0.51 #15 BL · #508 CHFamilies & children19.1% #47 BL · #1421 CHAge structure24.3% #31 BL · #480 CHWomen share50.8% #29 BL · #509 CHForeign residents28% #14 BL · #402 CHPopulation density1'531/km² #8 BL · #113 CHTax burden15'900 #15 BL · #1228 CHTaxes56% #20 BLWarmest municipalities11 °C #6 BL · #64 CHSunniest municipalities41.9% #15 BL · #1147 CHRainiest municipalities995 mm #51 BL · #1639 CHVoter turnout47.8% #75 BL · #1871 CHAgainst Switzerland7% #38 BL · #1372 CHAligned with Switzerland93% #8 BL · #96 CHSVP strongholds29.9% #63 BL · #1273 CHSP strongholds24.6% #22 BL · #193 CHCentre strongholds13.1% #17 BL · #955 CHFDP strongholds15% #17 BL · #822 CHGLP strongholds5% #61 BL · #1195 CHGreen strongholds8.1% #63 BL · #859 CHLargest by area7.4 km² #25 BL · #1207 CHHighest municipalities312 m #77 BL · #2048 CHSecond homes8.2% #71 BL · #1579 CHOrganic farming45.5% #7 BL · #164 CHBest-connected municipalities34 min #19 BL · #137 CHRemotest municipalities34 min #65 BL · #1965 CHHighest peaks496 m #75 BL · #1893 CHHighest-lying municipalities331 m #80 BL · #2082 CHGreatest vertical range209 m #64 BL · #1316 CHSteepest municipalities4.5° #79 BL · #1664 CHSolar potential61 GWh #8 BL · #236 CHSolar potential per capita5'363 kWh #73 BL · #1926 CHCheapest electricity31.21 Rp./kWh #64 BL · #1931 CHMost expensive electricity31.21 Rp./kWh #4 BL · #183 CH
Postal codes (3)
swisstopoLocalities
swisstopo · 3Nearby municipalities
swisstopo- What is the postal code of Aesch?
- Aesch has 3 postal codes: 4147, 4153, 4202.
- What is the tax rate in Aesch?
- The municipal tax multiplier of Aesch is 56% (2026); canton BL levies 100%.
- How much tax do you pay in Aesch?
- A single person without children pays about 15'900 CHF income tax in Aesch on 100'000 CHF gross income (federal, cantonal, municipal), rank 15 of 86 in canton BL. Source: ESTV (2026).
- How many residents does Aesch have?
- Aesch has 11'327 residents (2025).
- How many foreign residents live in Aesch?
- Aesch has 3'168 foreign residents, a share of 27.97% (2025).
Map
OpenStreetMapAesch compared with
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