Koblenz: population and statistics
Koblenz has a population of 1,835 (2025) across 4.1 km², or 450 people per km². It ranks 1,025 of 2,115 municipalities by population. Its population is growing: +12.7% between 2015 and 2025.
- 1,835 residents
- 4.1 km²
- 450 people/km²
- 316 m
Key points
Among the 197 municipalities in Aargau, Koblenz ranks No. 114 by population.
District heating: 0.0% in Koblenz, compared with an average of 6.5% in Aargau and 7.3% nationally.
Share of foreign nationals: 48.3% in Koblenz, compared with an average of 28.1% in Aargau and 27.7% nationally.
A 1 kWp solar panel tilted at 37° generates about 1,170 kWh a year here.
Koblenz in numbers
Where is Koblenz?
Population of Koblenz over time
Koblenz had 1,628 residents in 2015 and 1,835 in 2025.
| Year | Population |
|---|---|
| 2020 | 1,671 |
| 2021 | 1,684 |
| 2022 | 1,673 |
| 2023 | 1,759 |
| 2024 | 1,821 |
| 2025 | 1,835 |
Did you know?
- “District heating”: lower than in 99% of municipalities.
- “Share of foreign nationals”: higher than in 99% of municipalities.
- Its area is roughly equal to 571 football pitches.
- The nearest municipality is Full-Reuenthal, 2.9 km away.
- The nearest more populous municipality is Klingnau (3,710 residents), 3.1 km away.
- A 4 kWp rooftop solar system here would generate about 4,680 kWh a year, roughly what an average household uses.
All indicators for Koblenz
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 | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 16.6% | 19.5% | 20.7% | ranked 1,565 of 1,811 |
Housing
| Indicator | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 876 | 355,613 | 4,927,050 | ranked 1,122 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 15.5% | 16.6% | 23.3% | ranked 1,329 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 21.1% | 30.9% | 25.3% | ranked 1,176 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 71.8% | 70.4% | 69.5% | ranked 770 of 1,806 |
Energy
| Indicator | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 72.8% | 66.6% | 53.5% | ranked 265 of 1,806 | |
| Heat pumps as main heating (2026) | 9.3% | 11.6% | 13.7% | ranked 1,302 of 1,806 | |
| Wood heating systems (2026) | 9.6% | 8.3% | 12.4% | ranked 1,089 of 1,806 | |
| District heating (2026) | 0.0% | 6.5% | 1.4% | ranked 1,506 of 1,806 | |
| Photovoltaic installations (2026) | 71 | 26,039 | 329,600 | ranked 1,339 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 2,486 kW | 997.1 kW | 1,134 kW | ranked 106 of 1,806 | |
| Rooftop solar electricity potential (2026) | 16.0 GWh/year | 5,431 GWh/year | 64,783 GWh/year | ranked 1,198 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 8,698 kWh/inh. | 7,302 kWh/inh. | 9,356 kWh/inh. | ranked 1,037 of 1,810 |
Economy
| Indicator | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 95 | 47,193 | 728,011 | ranked 1,293 of 2,112 | |
| Entities listed in the commercial register (2026) | 113 | 46,143 | 762,757 | ranked 1,085 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 61.6 | 62.0 | 64.9 | ranked 1,036 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 55.8% | 66.6% | 65.7% | ranked 1,584 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 36.3% | 29.1% | 29.0% | ranked 316 of 1,808 |
Employment
| Indicator | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 424 | 364,295 | 5,679,518 | ranked 1,250 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 231.1 | 489.8 | 362.9 | ranked 1,442 of 1,810 | |
| Share of jobs in services (2024) | 57.5% | 69.1% | 63.6% | ranked 1,111 of 1,804 | |
| Share of jobs in industry and construction (2024) | 34.9% | 26.5% | 24.2% | ranked 437 of 1,776 |
Society
| Indicator | Koblenz | Aargau | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 48.3% | 28.1% | 18.9% | ranked 15 of 1,811 |
Sunshine and temperatures: Koblenz
Frequently asked questions
What is the population of Koblenz?
Koblenz has 1,835 residents (2025), ranking 1,025 of 2,115 municipalities.
How big is Koblenz?
Koblenz covers 4.1 km², with a density of 450 people per km².
Is the population of Koblenz growing?
Between 2015 and 2025, the population of Koblenz went from 1,628 to 1,835, a change of +12.7%.
Where is Koblenz?
Koblenz is in Aargau. It belongs to Bezirk Zurzach (district). Latitude 47.610, longitude 8.237.
District heating: what is the figure for Koblenz?
In Koblenz, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.
Share of foreign nationals: what is the figure for Koblenz?
In Koblenz, “Share of foreign nationals” stands at 48.3% (2025), ranking 15 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Koblenz?
In Koblenz, a 1 kWp south-facing system tilted at 37° produces about 1,170 kWh a year.
Which municipalities border Koblenz?
The nearest to Koblenz are Full-Reuenthal (2.9 km), Klingnau (3.1 km), Leuggern (3.4 km), Döttingen (4.7 km), Zurzach (4.9 km).