Municipality · Province of Liège · Wallonia
Olne
About Olne
Olne is a municipality in the province of Liège in Wallonia, Belgium. On 1 January 2026 it had 4,179 inhabitants on an area of 15.9 km², a population density of 262 inhabitants per km². That is close to the average of 292 per km² in Liège and lower than the Belgian average of 387 per km².
By population, Olne ranks 514th of Belgium’s 565 municipalities and 66th of the 84 municipalities in Liège. By area it ranks 507th in Belgium.
The official language is French.
Population of Olne since 2016
Between 1 January 2016 and 1 January 2026 the population of Olne grew by 225 inhabitants (+5.7%), from 3,954 to 4,179. In the last year it changed by +7.
For population growth since 2016, Olne ranks 226th of 565. Over the same period the province of Liège changed by +2.4% and Belgium by +5.3%.
Neighbouring municipalities
Olne borders 5 municipalities:
Postcodes in Olne
| Postcode | Places |
|---|---|
| 4877 |
Distances from Olne
| To | km | miles |
|---|---|---|
| Liège | 11 | 7 |
| Hasselt | 46 | 29 |
| Namur | 62 | 39 |
| Leuven | 79 | 49 |
| Charleroi | 94 | 58 |
| Brussels | 101 | 63 |
| Arlon | 102 | 63 |
| Mechelen | 103 | 64 |
| Antwerp | 121 | 75 |
| Mons | 125 | 78 |
| Ghent | 151 | 94 |
| Kortrijk | 175 | 109 |
| Bruges | 191 | 119 |
| Ostend | 209 | 130 |
Straight line between the centres of the municipalities. By road it is usually 20–40% further. Calculate another distance →
Nearby municipalities
More about Olne: Wikipedia.