St. Martin-Karlsbach: population and statistics
St. Martin-Karlsbach has a population of 1,619 (2026) across 24.9 km², or 65.1 people per km². It ranks 1,200 of 2,092 municipalities by population. Its population is falling: −4.0% between 2016 and 2026.
- 1,619 residents
- 24.9 km²
- 65 people/km²
- 287 m
St. Martin-Karlsbach in numbers
Key points
Among the 573 municipalities in Lower Austria, St. Martin-Karlsbach ranks No. 319 by population.
Share of foreign nationals: 2.8% in St. Martin-Karlsbach, compared with an average of 12.4% in Lower Austria and 20.1% nationally.
Largest business sector: Wholesale and retail trade, with 31.6% of the area's trade licences.
A 1 kWp solar panel tilted at 38° generates about 1,128 kWh a year here.
Did you know?
- “Share of foreign nationals”: lower than in 94% of municipalities.
- “Average household size”: higher than in 94% of municipalities.
- Its area is roughly equal to 3,483 football pitches.
- The nearest more populous municipality is Ybbs an der Donau (5,711 residents), 3.3 km away.
- A 4 kWp rooftop solar system here would generate about 4,512 kWh a year, roughly what an average household uses.
Population of St. Martin-Karlsbach over time
St. Martin-Karlsbach had 1,687 residents in 2016 and 1,619 in 2026.
| Year | Population |
|---|---|
| 2021 | 1,619 |
| 2022 | 1,623 |
| 2023 | 1,632 |
| 2024 | 1,621 |
| 2025 | 1,634 |
| 2026 | 1,619 |
All indicators for St. Martin-Karlsbach
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 | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Share of people under 15 (2026) | 16.6% | 14.3% | 14.5% | ranked 255 of 1,982 | |
| Share of people aged 65 and over (2026) | 22.3% | 22.2% | 22.1% | ranked 940 of 1,982 | |
| Median age (2026) | 45.5 years | – | 46.2 | ranked 1,159 of 1,982 | |
| Share of women (2026) | 48.9% | 50.8% | 50.3% | ranked 1,695 of 1,982 |
Housing
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Private households (2024) | 612 | 760,913 | 4,139,571 | ranked 1,305 of 2,091 | |
| Average household size (2024) | 2.67 persons | – | 2.35 | ranked 113 of 1,981 |
Economy
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2024) | 107 | 142,917 | 743,940 | ranked 1,447 of 2,091 | |
| Establishments (2024) | 118 | 163,268 | 850,266 | ranked 1,448 of 2,091 | |
| Establishments per 1,000 inhabitants (2024) | 72.3 | 94.5 | 91.3 | ranked 1,648 of 1,981 | |
| Active trade licences (2026) | 134 | 193,063 | 945,381 | ranked 1,364 of 2,088 | |
| Trade licences per 1,000 inhabitants (2026) | 82.8 | 111.6 | 98.4 | ranked 1,548 of 1,978 | |
| Municipal taxes and levies per inhabitant (2019) | 401 € | 520 € | 344 € | ranked 805 of 1,976 | |
| Municipal debt per inhabitant (2019) | 842 € | 2,123 € | 1,414 € | ranked 1,421 of 1,976 |
Employment
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Employment rate (aged 15 to 64) (2024) | 78.3% | 75.2% | 77.4% | ranked 771 of 1,981 | |
| Unemployment rate (aged 15 and over) (2024) | 2.1% | 4.9% | 3.5% | ranked 1,665 of 1,981 | |
| Persons employed in establishments in the municipality (2024) | 550 | 804,756 | 4,878,849 | ranked 1,116 of 2,091 | |
| Jobs per 100 inhabitants (2024) | 33.7 | 46.6 | 32.4 | ranked 926 of 1,981 |
Transport
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Share of out-commuters among employed persons by place of residence (2024) | 80.6% | 73.0% | 77.3% | ranked 639 of 1,981 |
Society
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2024) | 2.8% | 12.4% | 8.5% | ranked 1,838 of 1,981 | |
| Families (2024) | 508 | 490,205 | 2,490,615 | ranked 1,098 of 2,091 |
Education
| Indicator | St. Martin-Karlsbach | Lower Austria | National | Position | Rank |
|---|---|---|---|---|---|
| Share of people aged 15 and over with an apprenticeship, BMS, AHS or BHS as highest qualification (2024) | 69.7% | 62.9% | 66.4% | ranked 374 of 1,981 | |
| Share of people aged 15 and over with a university, academy or college qualification as highest qualification (2024) | 11.5% | 15.1% | 11.0% | ranked 872 of 1,981 |
Business sectors: St. Martin-Karlsbach
Share of each sector in total trade licences; “×1.5” means the sector is 1.5 times more common than nationally.
- Wholesale and retail trade31.6% ×1.4
- Other service activities12.0% ×1.4
- Administrative and support services9.0% ×1.1
- Construction8.3% ×1.2
- Professional, scientific and technical8.3% ×0.6
- Accommodation and food services7.5% ×1.0
- Manufacturing6.8% ×1.1
- Information and communication6.8% ×0.9
Sunshine and temperatures: St. Martin-Karlsbach
Where is St. Martin-Karlsbach?
Frequently asked questions
What is the population of St. Martin-Karlsbach?
St. Martin-Karlsbach has 1,619 residents (2026), ranking 1,200 of 2,092 municipalities.
How big is St. Martin-Karlsbach?
St. Martin-Karlsbach covers 24.9 km², with a density of 65 people per km².
Is the population of St. Martin-Karlsbach growing?
Between 2016 and 2026, the population of St. Martin-Karlsbach went from 1,687 to 1,619, a change of −4.0%.
Where is St. Martin-Karlsbach?
St. Martin-Karlsbach is in Lower Austria. It belongs to Melk (district). Latitude 48.164, longitude 15.022.
Share of foreign nationals: what is the figure for St. Martin-Karlsbach?
In St. Martin-Karlsbach, “Share of foreign nationals” stands at 2.8% (2024), ranking 1,838 of 1,981 municipalities; the national median is 8.5%.
Average household size: what is the figure for St. Martin-Karlsbach?
In St. Martin-Karlsbach, “Average household size” stands at 2.67 persons (2024), ranking 113 of 1,981 municipalities; the national median is 2.35 persons.
How much electricity does a solar panel produce in St. Martin-Karlsbach?
In St. Martin-Karlsbach, a 1 kWp south-facing system tilted at 38° produces about 1,128 kWh a year.
Which municipalities border St. Martin-Karlsbach?
The nearest to St. Martin-Karlsbach are Ybbs an der Donau (3.3 km), Neumarkt an der Ybbs (4.0 km), Blindenmarkt (4.6 km), Hofamt Priel (5.4 km), Persenbeug-Gottsdorf (6.2 km).