Köflach
in Voitsberg (Steiermark)
Contents: City
The population development of Köflach as well as related information and services (weather, Wikipedia, Google, images).
| Name | District | Population Census 1981-05-12 | Population Census 1991-05-15 | Population Census 2001-05-15 | Population Census 2011-10-31 | Population Census 2021-10-31 | Population Estimate 2026-01-01 | |
|---|---|---|---|---|---|---|---|---|
| Köflach | Voitsberg | 12,567 | 11,825 | 11,207 | 10,229 | 9,686 | 9,557 | → |
Source: Statistik Austria.
Explanation: 2026 population figures are preliminary estimates.
Further information about the population structure:
| Gender (E 2025) | |
|---|---|
| Males | 4,579 |
| Females | 4,910 |
| Age Groups (E 2025) | |
|---|---|
| 0-17 years | 1,283 |
| 18-64 years | 5,522 |
| 65+ years | 2,684 |
| Age Distribution (E 2025) | |
|---|---|
| 90+ years | 127 |
| 80-89 years | 705 |
| 70-79 years | 1,153 |
| 60-69 years | 1,505 |
| 50-59 years | 1,388 |
| 40-49 years | 1,246 |
| 30-39 years | 1,070 |
| 20-29 years | 859 |
| 10-19 years | 783 |
| 0-9 years | 653 |
| Citizenship (E 2025) | |
|---|---|
| Austria | 8,547 |
| EU, EFTA, UK | 544 |
| Other Citizenship | 398 |
| Country of Birth (E 2025) | |
|---|---|
| Austria | 8,396 |
| EU, EFTA, UK | 633 |
| Other country | 460 |