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Watermael-Boitsfort

Reference date: 2026-01-01

25,271

residents

Explore Watermael-Boitsfort through official statistics on population, age, housing, mobility, businesses and the local built environment, with sources and reference dates.

Charle-Albert Castle, a documented local view of Watermael-Boitsfort
Charle-Albert CastleLéonie Locatelli · CC BY-SA 4.0 · Adapted for Belgium in Maps; changes were made.
Population density
1,948.7residents/km²
Rank in Belgium
122ndout of 565 municipalities
Population change
-56
Reference date
2026-01-01

Key figures

At a glance

Twelve source-backed signals place this municipality in its demographic, housing, economic, land-use, mobility and connectivity context.

What stands out

  1. Scheduled public transport305.1 departures / 1,000 residentsScheduled public transport: 305.1 departures / 1,000 residents · national percentile 98/100
  2. Fixed broadband coverage99.6 %Fixed broadband coverage: 99.6 % · national percentile 97/100
  3. Population density1,948.7 residents/km²Population density: 1,948.7 residents/km² · national percentile 94/100

Indicators use their latest available source period. The date is shown separately for every figure.

Population and age

Population

25,271

residents

−56 since 2025 (−0.2%)

93% above Belgium’s municipal median · national percentile 78/100 among 565

49% below the municipal median in Brussels-Capital · provincial percentile 8/100 among 19

Period: · Source: Statbel population by residence, nationality, marital status, age and sex, 2026

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Population density

1,948.7

residents/km²

−4.3 since 2025 (−0.2%)

6.1× Belgium’s municipal median · national percentile 94/100 among 565

the municipal median in Brussels-Capital is 4.8× this value · provincial percentile 3/100 among 19

Period: · Source: Statbel population by residence, nationality, marital status, age and sex, 2026

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Age profile

43

years

Same as Belgium’s municipal median

16% above the municipal median in Brussels-Capital · provincial percentile 97/100 among 19

Period: · Source: Statbel population by residence, nationality, marital status, age and sex, 2026

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Housing and built environment

Housing stock

12,423

dwellings

104% above Belgium’s municipal median · national percentile 80/100 among 565

54% below the municipal median in Brussels-Capital · provincial percentile 24/100 among 19

Period: · Source: Statbel cadastral building stock, 2025 release

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Building permits

3.3

new dwellings / 1,000 existing dwellings

Total: 41 dwellings

54% below Belgium’s municipal median · national percentile 20/100 among 565

4.0× the municipal median in Brussels-Capital · provincial percentile 66/100 among 19

Reference date: · Source: Statbel building permits by month and administrative geography

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Land cover

Woodland

59.1

% of municipal area

Total: 767 ha

53% above Belgium’s municipal median · national percentile 88/100 among 565

118% above the municipal median in Brussels-Capital · provincial percentile 97/100 among 19

Reference date: · Source: Statbel land cover according to the Land Register (SQLite)

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House sales

9.8

sales / 1,000 dwellings

Total: 122 sales

43% below Belgium’s municipal median · national percentile 9/100 among 565

199% above the municipal median in Brussels-Capital · provincial percentile 97/100 among 19

Reference date: · Source: Statbel real-estate deeds by statistical sector, 2013-2024

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Mobility and connectivity

Scheduled public transport

305.1

departures / 1,000 residents

Total: 7,709 departures

3.1× Belgium’s municipal median · national percentile 98/100 among 565

18% above the municipal median in Brussels-Capital · provincial percentile 76/100 among 19

Scheduled service date: Published timetable; planned service, not observed operations. · Source: De Lijn static GTFS, STIB-MIVB static GTFS, TEC static GTFS, SNCB-NMBS static GTFS, Statbel population by residence, nationality, marital status, age and sex, 2026, Statbel statistical sectors 2026 (GeoJSON, EPSG:3812)

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Public level crossings

0

crossings

Same as Belgium’s municipal median

Same as the municipal median in Brussels-Capital

Period: · Source: Infrabel — public level crossings

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Fixed broadband coverage

99.6

%

1% above Belgium’s municipal median · national percentile 97/100 among 565

0.2% above the municipal median in Brussels-Capital · provincial percentile 76/100 among 19

Period: · Source: BIPT Atlas Fixed

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5G mobile coverage

100.0

%

Same as Belgium’s municipal median

Same as the municipal median in Brussels-Capital

Period: · Source: BIPT Atlas Mobile

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Economy and employment

VAT-registered enterprises

130.9

enterprises / 1,000 residents

Total: 3,307 enterprises

28% above Belgium’s municipal median · national percentile 88/100 among 565

51% above the municipal median in Brussels-Capital · provincial percentile 87/100 among 19

Reference date: · Source: Statbel VAT-registered enterprises by legal form, 2024

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Official time series

Official time series: Watermael-Boitsfort2017–2026: 24,871–25,271.25,48625,25025,01324,77724,871201725,012201825,184201925,332202025,221202125,187202225,392202325,295202425,327202525,2712026
2017-01-01 – 2026-01-01

Source: official Statbel data · Statbel

View the exact data table
Official time series
202625,2711,948.7
202525,3271,953.0
202425,2951,950.6
202325,3921,958.1
202225,1871,942.2
202125,2211,944.9
202025,3321,952.1
201925,1841,940.7
201825,0121,927.4
201724,8711,915.5
201624,6191,896.1
201524,4541,883.4
201424,4081,879.9
201324,4671,884.4
201224,3031,871.8
201124,2471,867.5
201024,2601,868.5
200924,1661,861.2

Key figures

Municipalities in the same province with a similar population

Use these population patterns in Horizon Mapper for catchment and location-opportunity analysis. Horizon Mapper