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Demographics

BFS · 2025
Women
1'601 48.5%
Men
1'700 51.5%
Children & youth (0–19)
710 21.5%
Swiss citizens
2'351 71.2%
Foreign residents
950 28.8%
Population density
699 pop./km²
0–19 · 710 · 21.5%20–64 · 2'126 · 64.4%65+ · 465 · 14.1%
Foreign residents 28.8%0%64.0%
Population change 2025: +133 (+4.2%) · 32 births · 13 deaths · net migration +111
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
27.09.2026Popular Initiative 'Safeguard Swiss neutrality (Neutrality Initiative)'Federal● Rejected · 29.8% YesDistrict Bezirk Lenzburg: 31.6% Yes
33.5% YesNo 66.5%
14.06.2026Amendment to the Civilian Service ActFederal● Accepted · 52.5% YesDistrict Bezirk Lenzburg: 56.9% Yes
55.3% YesNo 44.7%
14.06.2026Popular initiative: 'No to Switzerland of 10 million! (Sustainability Initiative)'Federal● Rejected · 45.2% YesDistrict Bezirk Lenzburg: 54.0% Yes
55.5% YesNo 44.5%
14.06.2026Aargauische Volksinitiative "Bildungsqualität sichern – JETZT!" vom 28. August 2024Cantonal AG● Rejected · 42.6% YesDistrict Bezirk Lenzburg: 42.3% Yes
44.8% YesNo 55.2%
14.06.2026Verkehrsinfrastruktur-Entwicklung Raum Suhr (VERAS); Verpflichtungskredit vom 16. Dezember 2025Cantonal AG● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 60.2% Yes
57.9% YesNo 42.1%
08.03.2026Federal Act on Individual TaxationFederal● Accepted · 54.3% YesDistrict Bezirk Lenzburg: 48.8% Yes
52.2% YesNo 47.8%
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 Lenzburg: 22.8% Yes
20.1% YesNo 79.9%
08.03.2026Popular Initiative ‘200 francs is enough! (SBC Initiative)’Federal● Rejected · 38.1% YesDistrict Bezirk Lenzburg: 44.0% Yes
44.9% YesNo 55.1%
08.03.2026Cash Initiative and Counter-Proposal: Deciding QuestionFederal● Rejected · 37.4% YesDistrict Bezirk Lenzburg: 37.2% Yes
39.2% YesNo 60.8%
All federal votes →
Popular votes (sd-t-17-02) 2026 · Federal Statistical Office (FSO), retrieved 04.10.2026

Politics

National Council election 2023
SVP39.8% · strongest party
SVP39.8%
SP14.4%
Mitte12.6%
FDP10.9%
GLP7.4%
sd-t-17.02-NRW2023 2023 · Federal Statistical Office (FSO), retrieved 25.09.2026
Municipal tax multiplier104%
Cantonal tax multiplier103%
104%AG range 48%127%
Tax rank 72 of 196 in canton Aargau
Tax burden
Single, 100'000 CHF gross income
12'739 CHF(12.7%)
Rank 72 of 196 in the canton · 456 of 2110 in Switzerland
Median canton 12'952 CHF · median Switzerland 15'290 CHF
Cheapest Oberwil-Lieli 9'753 CHF · most expensive Ammerswil 13'965 CHF
Income tax as % of gross income
0%8%15%23%30%40k50k100k150k200k250k300k
100'000 CHF:12'739 CHF(~12.7%)
OthmarsingenCanton range AargauSwitzerland median
Show data table
Gross incomeOthmarsingenAargauSwitzerland median
40'0005.1%3.8–5.6%5.4%
50'0006.9%5.2–7.7%7.8%
60'0008.5%6.4–9.3%10.5%
70'0009.8%7.4–10.7%11.9%
80'00010.8%8.2–11.9%13.1%
90'00011.7%8.9–12.8%14.1%
100'00012.7%9.8–14%15.3%
110'00013.7%10.5–14.9%16.3%
120'00014.4%11.2–15.8%17.2%
130'00015.1%11.7–16.5%18.1%
140'00015.9%12.4–17.3%19%
150'00016.5%13–18%19.7%
175'00018.1%14.4–19.7%21.6%
200'00019.5%15.5–21.1%23.2%
225'00020.7%16.6–22.4%24.6%
250'00021.8%17.6–23.6%25.8%
275'00022.8%18.4–24.5%26.8%
300'00023.5%19.1–25.3%27.4%
2026 · Federal Tax Administration (FTA), retrieved 24.09.2026

Climate

MeteoSwiss 1 km grid · 1991–2020
Annual mean temperature 1991–20209.9 °C
Precipitation 1991–20201'047 mm
9.9 °CCH range -5.5°14°
1991–2020 · MeteoSwiss, retrieved 28.08.2026

Terrain

swisstopo · DHM 40 m
Highest point
542 m
Mean elevation
427 m
Relief
156 m
Mean slope
5.2°
Flat share
64.4%
South-facing
13.2%
Above 2000 m
0.0%
Relief 156 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
24.8 GWh/yr
Roofs + façades
32.3 GWh/yr
≈ households powered
5'500
Per inhabitant
7'525 kWh/yr
25 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
29.56 Rp./kWh
Energy
10.37 Rp./kWh
Grid usage
14.95 Rp./kWh
Levies + grid surcharge
2.95 Rp./kWh
29.56 Rp./kWh10.5645.88
Canton median 26.88 Rp./kWhSwiss median 26.53 Rp./kWh
Network operator AEW 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.

2027 · Federal Electricity Commission (ElCom), retrieved 12.09.2026
Standard model, deductible 300570 CHF/mo
Ø premium in canton Aargau392 CHF/mo
Estimate Switzerland 2026465.3 CHF/mo

Premiums are set not per municipality but per canton and premium region. Shown is the average adult premium paid in canton Aargau (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
0.41 %
Second homes
7.3 %
Avg. rooms
3.9
Dwellings
1'446
Built before 194616.5%
Built since 200135.3%
0.41 %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
1'206
Workplaces
195
Services share
68.2 %
Jobs by sector: Primary 34 (2.8%) · Secondary 350 (29.0%) · Tertiary 822 (68.2%)
STATENT (Statistik der Unternehmensstruktur) 2024 · Federal Statistical Office (FSO), retrieved 24.09.2026

Agriculture

BFS · 2025
Farms
7
Organic share
0 %
Farmland
221 ha
Landwirtschaftliche Strukturerhebung 2025 · Federal Statistical Office (FSO), retrieved 19.09.2026

Accessibility

ARE · NPVM
Major centrePT 56 min · Car 37 min
AgglomerationPT 19 min · Car 13 min
Remoteness 149/196 in canton
National Passenger Transport Model (NPVM) 2025 · Federal Office for Spatial Development (ARE), retrieved 24.09.2026

Municipality

Wikidata · CC0
BFS municipality number4205
Wikidata · continuously updated, retrieved 24.09.2026
Largest municipalities3'301 #75 AG · #671 CHGrowing municipalities4.2% #11 AG · #81 CHShrinking municipalities4.2% #186 AG · #2027 CHJobs per resident0.37 #71 AG · #968 CHFamilies & children21.5% #47 AG · #663 CHAge structure14.1% #191 AG · #2042 CHWomen share48.5% #155 AG · #1716 CHForeign residents28.8% #48 AG · #358 CHPopulation density699/km² #51 AG · #358 CHTax burden12'739 #76 AG · #460 CHTaxes104% #72 AGWarmest municipalities9.9 °C #81 AG · #624 CHSunniest municipalities40.2% #98 AG · #1783 CHRainiest municipalities1'047 mm #144 AG · #1405 CHVoter turnout49.5% #166 AG · #1819 CHAgainst Switzerland12.7% #105 AG · #1077 CHAligned with Switzerland87.3% #63 AG · #407 CHSVP strongholds39.8% #117 AG · #674 CHSP strongholds14.4% #70 AG · #1010 CHCentre strongholds12.6% #93 AG · #994 CHFDP strongholds10.9% #121 AG · #1286 CHGLP strongholds7.4% #89 AG · #685 CHGreen strongholds4.6% #140 AG · #1620 CHLargest by area4.7 km² #131 AG · #1595 CHHighest municipalities395 m #140 AG · #1916 CHSecond homes7.3% #124 AG · #1771 CHOrganic farming0% #176 AG · #1871 CHBest-connected municipalities56 min #50 AG · #660 CHRemotest municipalities56 min #149 AG · #1462 CHHighest peaks542 m #145 AG · #1748 CHHighest-lying municipalities427 m #137 AG · #1879 CHGreatest vertical range156 m #149 AG · #1563 CHSteepest municipalities5.2° #146 AG · #1534 CHSolar potential25 GWh #86 AG · #845 CHSolar potential per capita7'525 kWh #127 AG · #1566 CHCheapest electricity29.56 Rp./kWh #136 AG · #1704 CHMost expensive electricity29.56 Rp./kWh #63 AG · #405 CH

Localities

swisstopo · 2
What is the postal code of Othmarsingen?
Othmarsingen has 2 postal codes: 5504, 5604.
What is the tax rate in Othmarsingen?
The municipal tax multiplier of Othmarsingen is 104% (2026); canton AG levies 103%.
How much tax do you pay in Othmarsingen?
A single person without children pays about 12'739 CHF income tax in Othmarsingen on 100'000 CHF gross income (federal, cantonal, municipal), rank 72 of 196 in canton AG. Source: ESTV (2026).
How many residents does Othmarsingen have?
Othmarsingen has 3'301 residents (2025).
How many foreign residents live in Othmarsingen?
Othmarsingen has 950 foreign residents, a share of 28.78% (2025).

Map

OpenStreetMap