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Population of Sint-Truiden

Reference date: 2026-01-01

41,987

residents

The official population of Sint-Truiden was 41,987 residents on 1 January 2026, ranking 48th among Belgium's municipalities.

A documented local view of Sint-Truiden
Documented local viewUser Charles01 · CC BY-SA 3.0 · Adapted for Belgium in Maps; changes were made.
Population density
392.0residents/km²
Rank in Belgium
48thout of 565 municipalities
Population change
+244
Reference date
2026-01-01

Official time series

Official time series: Sint-Truiden2017–2026: 40,169–41,987.42,31441,49040,66639,84240,169201740,473201840,590201940,672202040,557202140,845202241,353202341,469202441,743202541,9872026
2017-01-01 – 2026-01-01

Source: official Statbel data · Statbel

View the exact data table
Official time series
202641,987392.0
202541,743389.7
202441,469387.1
202341,353386.1
202240,845381.3
202140,557378.6
202040,672379.7
201940,590378.9
201840,473377.8
201740,169375.4
201640,158375.3
201539,957373.4
201439,840372.3
201339,769371.6
201239,747371.4
201139,584369.9
201039,309367.3
200939,117365.5

Population

Who lives here

A complete, non-overlapping view of the registered population by age, from the same reference-date record.
Age structureShare of registered residents in five non-overlapping age groups.Under 18: 16.4%18–24: 7.4%25–44: 23.2%45–64: 27.9%65 and older: 25.3%
Reference date: 2026-01-01
View the exact data table
Registered residents by age group
Under 186,88216.4%
18–243,0847.4%
25–449,72223.2%
45–6411,69427.9%
65 and older10,60525.3%

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