Skip to content
Immolytics

Living · portrait by municipality

Living in Zwalm: what the figures say

Flanders · East Flanders · public registers

In brief

  • Zwalm has 8,340 inhabitants over 33.6 km², that is 320 per km².
  • The population grew by +2.4% in five years: the municipality attracts.
  • 34.4 recorded offences per 1,000 inhabitants, 33% below the Belgian median (51.5).
  • Median declared income: €33,377 per return, that is +67% against the national median.
  • 1,742 hours of sunshine and 797 mm of rain a year on average (RMI, 1991-2020), against 1,703 h and 837 mm for the median Belgian municipality.

Statbel, Federal Police and OpenStreetMap; the scores are computed by Immolytics, out of 100.

Flanders

Official municipal outline, Statbel boundaries

The municipality's scores

Out of 100, computed on actual amenities (stops, schools, shops, green space) and police statistics.

13/100overall score
89/100safety
19/100schools

Housing in Zwalm

Median prices from notarial deeds, Q1 2026, set against local income.

€360,500house, median price
10.8years of median income for a house

Demographics

8,340Population+2.4 % over five years
320Population densityinhabitants per km²
1,314HouseholdsAverage household size : 6.4
2.2 %Foreign population

Age distribution

Local economy

€33,377Median income+66.9 % National comparison
1,050Enterprises125.9 per 1,000 inhabitants
10.8xAffordability ratioIncome vs property price

Tax pressure : 25.4 %

Safety

Offences recorded by the Federal Police, set against the population.

Safety — Federal Police 2023

Score 89/100

34.4

criminal offences per 1,000 inhabitants

Below median
Zwalm
34.4
Belgium (avg.)
51.5
Brussels
295.0

Scale 0 – 300 offences / 1,000 pop. · Belgium ≈ 51.5 · Brussels ≈ 295

This score ranks municipalities by recorded offences relative to their resident population. Employment, retail and tourism hubs rank higher because offences against visitors are counted while those visitors are not part of the reference population.

Source: Federal Police of Belgium — Police Crime Statistics 2023

Schools and transport

The amenities counted in the municipality, not an impression.

Schools

School map

Total schools

3

School density

3.6

per 10,000 pop.

Primary / kindergarten
3
Secondary
0
Higher education
0

Source: FASE 2026 (Wallonia-Brussels Federation) and Onderwijs Vlaanderen

Climate of Zwalm

RMI normals for 1991-2020, each set against the median Belgian municipality.

11.0 °Cmean annual temperaturemedian municipality: 10.8 °C
1,742 hhours of sunshine per yearmedian municipality: 1,703 h
797 mmprecipitation per yearmedian municipality: 837 mm
130rainy days (at least 1 mm)median municipality: 134
41frost daysmedian municipality: 51
6days at 30 °C or moremedian municipality: 7

Last frost on average on 6 April, first frost on 14 November; growing season from 13 May to 11 October.

Source: RMI (Royal Meteorological Institute), climate statistics of Belgian municipalities, reference period 1991-2020. RMI sheet for the municipality (PDF, in French)

Neighbouring municipalities

Median house price and overall score, to compare before choosing.

Explore Zwalm

Frequently asked questions

Zwalm has 8,340 inhabitants, that is 320 per km². The population changed by +2.4% in five years (Statbel).
The Federal Police recorded 34.4 offences per 1,000 inhabitants there, against 51.5 for the median Belgian municipality. The figure counts every offence, from bicycle theft to assault; it places the municipality, it does not describe a street.
The median price of a house is €360,500 and that of an apartment not published (Q1 2026, Statbel notarial deeds). The buying in Zwalm page details the budget with duties and fees.
The municipality has 3 schools, including 3 primary and 0 secondary schools (community registers). The school-by-school detail is in the schools and transport section.

Sources: Statbel for population, households, incomes and prices; Federal Police for recorded offences; community registers for schools; operators' GTFS timetables for transport; OpenStreetMap for the scores. A portrait in figures, not an opinion.

Moving to Zwalm: internet and energy

The practical steps of your move, in a few clicks.

Sponsored links: Immolytics may earn a commission, at no extra cost to you.