Othmarsingen: population and statistics
Othmarsingen has a population of 3,301 (2025) across 4.7 km², or 701 people per km². It ranks 672 of 2,115 municipalities by population. Its population is growing: +22.4% between 2015 and 2025.
- 3,301 residents
- 4.7 km²
- 701 people/km²
- 393 m
Key points
Among the 197 municipalities in Aargau, Othmarsingen ranks No. 75 by population.
Share of people aged 65 and over: 14.1% in Othmarsingen, compared with an average of 19.5% in Aargau and 19.8% nationally.
Dwellings in buildings built since 2001: 40.0% in Othmarsingen, compared with an average of 30.9% in Aargau and 24.6% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,147 kWh a year here.
Othmarsingen in numbers
Where is Othmarsingen?
Population of Othmarsingen over time
Othmarsingen had 2,697 residents in 2015 and 3,301 in 2025.
| Year | Population |
|---|---|
| 2020 | 3,037 |
| 2021 | 3,040 |
| 2022 | 3,096 |
| 2023 | 3,155 |
| 2024 | 3,168 |
| 2025 | 3,301 |
Did you know?
- “Share of people aged 65 and over”: lower than in 97% of municipalities.
- “Dwellings in buildings built since 2001”: higher than in 92% of municipalities.
- Its area is roughly equal to 660 football pitches.
- Its population density is 3.0 times the national average.
- The nearest municipality is Hendschiken, 1.6 km away.
- The nearest more populous municipality is Niederlenz (4,998 residents), 2.9 km away.
- A 4 kWp rooftop solar system here would generate about 4,588 kWh a year, roughly what an average household uses.
All indicators for Othmarsingen
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 14.1% | 19.5% | 20.7% | ranked 1,759 of 1,811 |
Housing
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 1,555 | 355,613 | 4,927,050 | ranked 758 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 15.1% | 16.6% | 23.3% | ranked 1,350 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 40.0% | 30.9% | 25.3% | ranked 150 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 74.4% | 70.4% | 69.5% | ranked 580 of 1,806 |
Energy
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 71.8% | 66.6% | 53.5% | ranked 300 of 1,806 | |
| Heat pumps as main heating (2026) | 14.2% | 11.6% | 13.7% | ranked 881 of 1,806 | |
| Wood heating systems (2026) | 7.6% | 8.3% | 12.4% | ranked 1,246 of 1,806 | |
| District heating (2026) | 0.6% | 6.5% | 1.4% | ranked 1,193 of 1,806 | |
| Photovoltaic installations (2026) | 133 | 26,039 | 329,600 | ranked 839 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 897.7 kW | 997.1 kW | 1,134 kW | ranked 1,253 of 1,806 | |
| Rooftop solar electricity potential (2026) | 24.8 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 846 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 7,525 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,275 of 1,810 |
Economy
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 195 | 47,193 | 728,011 | ranked 782 of 2,112 | |
| Entities listed in the commercial register (2026) | 198 | 46,143 | 762,757 | ranked 739 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 60.0 | 62.0 | 64.9 | ranked 1,115 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 72.2% | 66.6% | 65.7% | ranked 362 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 23.7% | 29.1% | 29.0% | ranked 1,367 of 1,808 |
Employment
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 1,206 | 364,295 | 5,679,518 | ranked 730 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 365.3 | 489.8 | 362.9 | ranked 895 of 1,810 | |
| Share of jobs in services (2024) | 68.2% | 69.1% | 63.6% | ranked 726 of 1,804 | |
| Share of jobs in industry and construction (2024) | 29.0% | 26.5% | 24.2% | ranked 666 of 1,776 |
Society
| Indicator | Othmarsingen | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 28.8% | 28.1% | 18.9% | ranked 346 of 1,811 |
Sunshine and temperatures: Othmarsingen
Frequently asked questions
What is the population of Othmarsingen?
Othmarsingen has 3,301 residents (2025), ranking 672 of 2,115 municipalities.
How big is Othmarsingen?
Othmarsingen covers 4.7 km², with a density of 701 people per km².
Is the population of Othmarsingen growing?
Between 2015 and 2025, the population of Othmarsingen went from 2,697 to 3,301, a change of +22.4%.
Where is Othmarsingen?
Othmarsingen is in Aargau. It belongs to Bezirk Lenzburg (district). Latitude 47.401, longitude 8.215.
Share of people aged 65 and over: what is the figure for Othmarsingen?
In Othmarsingen, “Share of people aged 65 and over” stands at 14.1% (2025), ranking 1,759 of 1,811 municipalities; the national median is 20.7%.
Dwellings in buildings built since 2001: what is the figure for Othmarsingen?
In Othmarsingen, “Dwellings in buildings built since 2001” stands at 40.0% (2026), ranking 150 of 1,806 municipalities; the national median is 25.3%.
How much electricity does a solar panel produce in Othmarsingen?
In Othmarsingen, a 1 kWp south-facing system tilted at 37° produces about 1,147 kWh a year.
Which municipalities border Othmarsingen?
The nearest to Othmarsingen are Hendschiken (1.6 km), Mägenwil (1.9 km), Brunegg (2.0 km), Dottikon (2.6 km), Niederlenz (2.9 km).