Uznach: population and statistics
Uznach has a population of 7,114 (2025) across 7.5 km², or 944 people per km². It ranks 273 of 2,115 municipalities by population. Its population is growing: +13.0% between 2015 and 2025.
- 7,114 residents
- 7.5 km²
- 944 people/km²
- 408 m
Key points
Among the 75 municipalities in St. Gallen, Uznach ranks No. 23 by population.
Heat pumps as main heating: 32.6% in Uznach, compared with an average of 30.7% in St. Gallen and 15.5% nationally.
Share of foreign nationals: 32.4% in Uznach, compared with an average of 27.2% in St. Gallen and 27.7% nationally.
A 1 kWp solar panel tilted at 40° generates about 1,185 kWh a year here.
Uznach in numbers
Where is Uznach?
Population of Uznach over time
Uznach had 6,295 residents in 2015 and 7,114 in 2025.
| Year | Population |
|---|---|
| 2020 | 6,519 |
| 2021 | 6,564 |
| 2022 | 6,850 |
| 2023 | 7,014 |
| 2024 | 7,038 |
| 2025 | 7,114 |
Did you know?
- Its area is roughly equal to 1,056 football pitches.
- Its population density is 4.1 times the national average.
- The nearest municipality is Schmerikon, 2.6 km away.
- The nearest more populous municipality is Wald (ZH) (10,686 residents), 7.7 km away.
- A 4 kWp rooftop solar system here would generate about 4,740 kWh a year, roughly what an average household uses.
All indicators for Uznach
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 | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 19.4% | 19.9% | 20.7% | ranked 1,145 of 1,811 |
Housing
| Indicator | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 3,186 | 280,853 | 4,927,050 | ranked 338 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 14.5% | 23.5% | 23.3% | ranked 1,373 of 1,806 | |
| Dwellings in buildings built since 2001 (2026) | 32.7% | 24.8% | 25.3% | ranked 438 of 1,806 | |
| Share of single-family houses among residential buildings (2026) | 64.1% | 64.1% | 69.5% | ranked 1,192 of 1,806 |
Energy
| Indicator | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 58.9% | 52.2% | 53.5% | ranked 726 of 1,806 | |
| Heat pumps as main heating (2026) | 32.6% | 30.7% | 13.7% | ranked 191 of 1,806 | |
| Wood heating systems (2026) | 3.7% | 9.0% | 12.4% | ranked 1,558 of 1,806 | |
| District heating (2026) | 2.6% | 6.0% | 1.4% | ranked 696 of 1,806 | |
| Photovoltaic installations (2026) | 289 | 26,111 | 329,600 | ranked 292 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,504 kW | 1,325 kW | 1,134 kW | ranked 526 of 1,806 | |
| Rooftop solar electricity potential (2026) | 46.4 GWh/year | 4,072 GWh/year | 64,783 GWh/year | ranked 376 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 6,524 kWh/inh. | 7,485 kWh/inh. | 9,356 kWh/inh. | ranked 1,460 of 1,810 |
Economy
| Indicator | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 478 | 39,699 | 728,011 | ranked 300 of 2,112 | |
| Entities listed in the commercial register (2026) | 484 | 42,658 | 762,757 | ranked 302 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 68.0 | 78.4 | 64.9 | ranked 790 of 1,811 | |
| Share of limited companies (AG, GmbH) among registered entities (2026) | 67.4% | 65.2% | 65.7% | ranked 738 of 1,808 | |
| Share of sole proprietorships among registered entities (2026) | 28.9% | 29.2% | 29.0% | ranked 907 of 1,808 |
Employment
| Indicator | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 3,618 | 317,461 | 5,679,518 | ranked 269 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 508.6 | 583.5 | 362.9 | ranked 471 of 1,810 | |
| Share of jobs in services (2024) | 71.9% | 64.9% | 63.6% | ranked 591 of 1,804 | |
| Share of jobs in industry and construction (2024) | 27.1% | 30.3% | 24.2% | ranked 754 of 1,776 |
Society
| Indicator | Uznach | St. Gallen | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 32.4% | 27.2% | 18.9% | ranked 213 of 1,811 |
Sunshine and temperatures: Uznach
Frequently asked questions
What is the population of Uznach?
Uznach has 7,114 residents (2025), ranking 273 of 2,115 municipalities.
How big is Uznach?
Uznach covers 7.5 km², with a density of 944 people per km².
Is the population of Uznach growing?
Between 2015 and 2025, the population of Uznach went from 6,295 to 7,114, a change of +13.0%.
Where is Uznach?
Uznach is in St. Gallen. It belongs to Wahlkreis See-Gaster (district). Latitude 47.224, longitude 8.984.
Heat pumps as main heating: what is the figure for Uznach?
In Uznach, “Heat pumps as main heating” stands at 32.6% (2026), ranking 191 of 1,806 municipalities; the national median is 13.7%.
Share of foreign nationals: what is the figure for Uznach?
In Uznach, “Share of foreign nationals” stands at 32.4% (2025), ranking 213 of 1,811 municipalities; the national median is 18.9%.
How much electricity does a solar panel produce in Uznach?
In Uznach, a 1 kWp south-facing system tilted at 40° produces about 1,185 kWh a year.
Which municipalities border Uznach?
The nearest to Uznach are Schmerikon (2.6 km), Benken (SG) (3.6 km), Tuggen (3.7 km), Kaltbrunn (3.8 km), Gommiswald (5.1 km).