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Zemst

Reference date: 2026-01-01

23,367

residents

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

A documented local view of Zemst
Documented local viewFunkyxian · CC BY-SA 4.0 · Adapted for Belgium in Maps; changes were made.
Population density
540.5residents/km²
Rank in Belgium
137thout of 565 municipalities
Population change
-2
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. Population density540.5 residents/km²Population density: 540.5 residents/km² · national percentile 70/100
  2. Land cover32.9 % of municipal areaLand cover: 32.9 % of municipal area · national percentile 31/100
  3. Scheduled public transport70.4 departures / 1,000 residentsScheduled public transport: 70.4 departures / 1,000 residents · national percentile 32/100

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

Population and age

Population

23,367

residents

−2 since 2025 (0.0%)

79% above Belgium’s municipal median · national percentile 76/100 among 565

54% above the municipal median in Flemish Brabant · provincial percentile 75/100 among 63

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

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Population density

540.5

residents/km²

−0.1 since 2025 (0.0%)

69% above Belgium’s municipal median · national percentile 70/100 among 565

3% below the municipal median in Flemish Brabant · provincial percentile 48/100 among 63

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

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Age profile

45

years

5% above Belgium’s municipal median

2% above the municipal median in Flemish Brabant

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

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Housing and built environment

Housing stock

10,084

dwellings

65% above Belgium’s municipal median · national percentile 72/100 among 565

54% above the municipal median in Flemish Brabant · provincial percentile 74/100 among 63

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

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Building permits

7.4

new dwellings / 1,000 existing dwellings

Total: 75 dwellings

4% above Belgium’s municipal median · national percentile 53/100 among 565

15% above the municipal median in Flemish Brabant · provincial percentile 60/100 among 63

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

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Land cover

Arable land

32.9

% of municipal area

Total: 1,422 ha

15% below Belgium’s municipal median · national percentile 31/100 among 565

10% below the municipal median in Flemish Brabant · provincial percentile 34/100 among 63

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

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House sales

17.9

sales / 1,000 dwellings

Total: 180 sales

4% above Belgium’s municipal median · national percentile 55/100 among 565

2% below the municipal median in Flemish Brabant · provincial percentile 47/100 among 63

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

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Mobility and connectivity

Scheduled public transport

70.4

departures / 1,000 residents

Total: 1,645 departures

29% below Belgium’s municipal median · national percentile 32/100 among 565

50% below the municipal median in Flemish Brabant · provincial percentile 12/100 among 63

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 Flemish Brabant

Period: · Source: Infrabel — public level crossings

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Fixed broadband coverage

98.2

%

0.2% below Belgium’s municipal median · national percentile 43/100 among 565

0.3% below the municipal median in Flemish Brabant · provincial percentile 40/100 among 63

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 Flemish Brabant

Period: · Source: BIPT Atlas Mobile

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Economy and employment

VAT-registered enterprises

98.9

enterprises / 1,000 residents

Total: 2,311 enterprises

3% below Belgium’s municipal median · national percentile 44/100 among 565

12% below the municipal median in Flemish Brabant · provincial percentile 18/100 among 63

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

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Official time series

Official time series: Zemst2017–2026: 23,240–23,367.23,43023,35723,28423,21123,240201723,325201823,358201923,260202023,314202123,306202223,357202323,401202423,369202523,3672026
2017-01-01 – 2026-01-01

Source: official Statbel data · Statbel

View the exact data table
Official time series
202623,367540.5
202523,369540.6
202423,401541.3
202323,357540.3
202223,306539.1
202123,314539.3
202023,260538.1
201923,358540.3
201823,325539.6
201723,240537.1
201623,068533.1
201522,778526.4
201422,587522.0
201322,437518.5
201222,249514.2
201121,960507.5
201021,928506.8
200921,837504.7

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