Municipality · Province of Antwerp · Flanders
Westerlo
About Westerlo
Westerlo is a municipality in the province of Antwerp in Flanders, Belgium. On 1 January 2026 it had 25,723 inhabitants on an area of 55.4 km², a population density of 464 inhabitants per km². That is lower than the average of 677 per km² in Antwerp and higher than the Belgian average of 387 per km².
By population, Westerlo ranks 120th of Belgium’s 565 municipalities and 16th of the 67 municipalities in Antwerp. By area it ranks 206th in Belgium.
The official language is Dutch.
Population of Westerlo since 2016
Between 1 January 2016 and 1 January 2026 the population of Westerlo grew by 1,018 inhabitants (+4.1%), from 24,705 to 25,723. In the last year it changed by +32.
For population growth since 2016, Westerlo ranks 321st of 565. Over the same period the province of Antwerp changed by +7.0% and Belgium by +5.3%.
Neighbouring municipalities
Westerlo borders 6 municipalities:
Postcodes in Westerlo
| Postcode | Places |
|---|---|
| 2260 | Westerlo, Oevel, Tongerlo, Zoerle-Parwijs |
Distances from Westerlo
| To | km | miles |
|---|---|---|
| Leuven | 28 | 17 |
| Mechelen | 31 | 19 |
| Hasselt | 38 | 24 |
| Antwerp | 39 | 24 |
| Brussels | 44 | 27 |
| Namur | 72 | 45 |
| Liège | 73 | 45 |
| Ghent | 81 | 50 |
| Charleroi | 82 | 51 |
| Mons | 97 | 60 |
| Bruges | 117 | 73 |
| Kortrijk | 118 | 74 |
| Ostend | 137 | 85 |
| Arlon | 172 | 107 |
Straight line between the centres of the municipalities. By road it is usually 20–40% further. Calculate another distance →
Nearby municipalities
More about Westerlo: Wikipedia.