Municipality · Leuven · Flemish BrabantCoat of arms of TienenFlag of Tienen

Tienen: population and statistics

Tienen has a population of 36,962 (2026) across 72.8 km², or 508 people per km². It ranks 62 of 565 municipalities by population. Its population is growing: +8.1% between 2016 and 2026.

  • 36,962 residents
  • 72.8 km²
  • 508 people/km²
  • 45 m
Location map: Tienen

Key points

Among the 63 municipalities in Flemish Brabant, Tienen ranks No. 8 by population.

New dwellings authorised per year per 1,000 inhabitants: 1.72 ‰ inh. in Tienen, compared with an average of 4.02 ‰ inh. in Flemish Brabant and 4.28 ‰ inh. nationally.

Households without a car: 27.0% in Tienen, compared with an average of 21.3% in Flemish Brabant and 27.1% nationally.

Largest business sector: Professional, scientific and technical, with 17.3% of the area's businesses.

A 1 kWp solar panel tilted at 39° generates about 1,095 kWh a year here.

Did you know?

Tienen in numbers

Population
36,962
ranked 62 of 565 +8.1%
Population density
508people/km²
ranked 180 of 564
Area
72.8km²
ranked 143 of 565
Elevation
45m
ranked 308 of 565
New dwellings authorised per year per 1,000 inhabitants
1.72‰ inh.
ranked 511 of 564
Households without a car
27.0%
ranked 58 of 564
VAT-liable enterprises
3,248
ranked 85 of 565
Share of inhabitants of foreign nationality
10.5%
ranked 137 of 564

All indicators for Tienen

Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.

Population

IndicatorTienenFlemish BrabantNationalPositionRank
Share of inhabitants aged 65 and over (2026)22.8%20.8%21.7%ranked 185 of 564
Share of inhabitants under 20 (2026)21.8%22.6%21.5%ranked 241 of 564

Housing

IndicatorTienenFlemish BrabantNationalPositionRank
Buildings built before 1946 (2024)43.1%–34.6%ranked 183 of 564
Buildings built after 2001 (2024)8.8%–15.3%ranked 483 of 564
Share of houses in the building stock (2024)80.5%–79.9%ranked 243 of 564
Number of dwellings (2024)17,575542,5045,783,434ranked 65 of 565
New dwellings authorised per year per 1,000 inhabitants (2021-2025)1.72 ‰ inh.4.02 ‰ inh.4.39 ‰ inh.ranked 511 of 564

Energy

IndicatorTienenFlemish BrabantNationalPositionRank
Residential buildings with central heating or air conditioning (2024)70.5%–76.7%ranked 410 of 564

Economy

IndicatorTienenFlemish BrabantNationalPositionRank
VAT-liable enterprises (2024)3,248130,8331,170,010ranked 85 of 565
VAT-liable enterprises per 1,000 inhabitants (2024)87.9 ‰ inh.108.1 ‰ inh.102.2 ‰ inh.ranked 409 of 564
Net taxable income per inhabitant (2023)24,352 €26,927 €24,247 €ranked 274 of 564
Median disposable income (administrative) (2023)29,953 €–30,830 €ranked 364 of 551
Median selling price of houses (2025)273,750 €–302,500 €ranked 371 of 554
Median selling price of apartments (2025)213,000 €–249,900 €ranked 234 of 299

Transport

IndicatorTienenFlemish BrabantNationalPositionRank
Cars per household (2025)1.041.201.25ranked 495 of 564
Households without a car (2025)27.0%21.3%17.6%ranked 58 of 564

Society

IndicatorTienenFlemish BrabantNationalPositionRank
Share of inhabitants of foreign nationality (2026)10.5%11.9%6.4%ranked 137 of 564
Administrative poverty risk (2023)8.7%6.8%7.0%ranked 177 of 551

Population of Tienen over time

33,76834,97236,17537,3792016: 34,1852017: 34,3652018: 34,6752019: 34,9752020: 35,2932021: 35,5452022: 35,9732023: 36,2822024: 36,5812025: 36,8902026: 36,962201620182020202220242026

Tienen had 34,185 residents in 2016 and 36,962 in 2026.

YearPopulation
202135,545
202235,973
202336,282
202436,581
202536,890
202636,962

Where is Tienen?

Business sectors: Tienen

Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.

Sunshine and temperatures: Tienen

Annual solar output
1,095kWh
for 1 kWp tilted at 39°
Warmest month
18.9°C
July
Coldest month
3.4°C
January
Most productive month
132kWh
May

Jan: 40 kWhJanFeb: 58 kWhFebMar: 98 kWhMarApr: 124 kWhAprMay: 132 kWhMayJun: 129 kWhJunJul: 129 kWhJulAug: 119 kWhAugSep: 106 kWhSepOct: 78 kWhOctNov: 49 kWhNovDec: 35 kWhDec0 °CJan: 3.4 °CFeb: 4.0 °CMar: 6.5 °CApr: 10.0 °CMay: 13.7 °CJun: 17.3 °CJul: 18.9 °CAug: 18.1 °CSep: 15.5 °COct: 12.0 °CNov: 7.3 °CDec: 4.5 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Frequently asked questions

What is the population of Tienen?

Tienen has 36,962 residents (2026), ranking 62 of 565 municipalities.

How big is Tienen?

Tienen covers 72.8 km², with a density of 508 people per km².

Is the population of Tienen growing?

Between 2016 and 2026, the population of Tienen went from 34,185 to 36,962, a change of +8.1%.

Where is Tienen?

Tienen is in Flemish Brabant. It belongs to Leuven (arrondissement). Latitude 50.807, longitude 4.937.

New dwellings authorised per year per 1,000 inhabitants: what is the figure for Tienen?

In Tienen, “New dwellings authorised per year per 1,000 inhabitants” stands at 1.72 ‰ inh. (2021-2025), ranking 511 of 564 municipalities; the national median is 4.39 ‰ inh..

Households without a car: what is the figure for Tienen?

In Tienen, “Households without a car” stands at 27.0% (2025), ranking 58 of 564 municipalities; the national median is 17.6%.

How much electricity does a solar panel produce in Tienen?

In Tienen, a 1 kWp south-facing system tilted at 39° produces about 1,095 kWh a year.

Which municipalities border Tienen?

The nearest to Tienen are Hoegaarden (5.1 km), Glabbeek (6.6 km), Hélécine (7.2 km), Linter (8.0 km), Boutersem (8.7 km).

Coat of arms: Benzebuth198, CC BY-SA 3.0, Wikimedia Commons · Flag: Johannes Rössel (talk), Public domain, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.