Municipality · LiègeCoat of arms of Grâce-HollogneFlag of Grâce-Hollogne

Grâce-Hollogne: population and statistics

Grâce-Hollogne has a population of 23,353 (2026) across 34.2 km², or 683 people per km². It ranks 138 of 565 municipalities by population. Its population is growing: +5.5% between 2016 and 2026.

  • 23,353 residents
  • 34.2 km²
  • 683 people/km²
  • 108 m
Location map: Grâce-Hollogne

Key points

Among the 84 municipalities in Liège, Grâce-Hollogne ranks No. 9 by population.

Net taxable income per inhabitant: 19,024 € in Grâce-Hollogne, compared with an average of 21,639 € in Liège and 23,352 € nationally.

New dwellings authorised per year per 1,000 inhabitants: 1.37 ‰ inh. in Grâce-Hollogne, compared with an average of 2.72 ‰ inh. in Liège and 4.28 ‰ inh. nationally.

Largest business sector: Wholesale and retail trade, with 20.5% of the area's businesses.

A 1 kWp solar panel tilted at 39° generates about 1,042 kWh a year here.

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Grâce-Hollogne in numbers

Population
23,353
ranked 138 of 565 +5.5%
Population density
683people/km²
ranked 130 of 564
Area
34.2km²
ranked 358 of 565
Elevation
108m
ranked 182 of 565
Net taxable income per inhabitant
19,024€
ranked 535 of 564
New dwellings authorised per year per 1,000 inhabitants
1.37‰ inh.
ranked 529 of 564
Share of inhabitants under 20
24.5%
ranked 45 of 564
Administrative poverty risk
14.5%
ranked 47 of 551

All indicators for Grâce-Hollogne

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

IndicatorGrâce-HollogneLiègeNationalPositionRank
Share of inhabitants aged 65 and over (2026)19.4%20.6%21.7%ranked 445 of 564
Share of inhabitants under 20 (2026)24.5%22.2%21.5%ranked 45 of 564

Housing

IndicatorGrâce-HollogneLiègeNationalPositionRank
Buildings built before 1946 (2024)40.2%–34.6%ranked 211 of 564
Buildings built after 2001 (2024)10.8%–15.3%ranked 441 of 564
Share of houses in the building stock (2024)81.1%–79.9%ranked 215 of 564
Number of dwellings (2024)10,312549,9485,783,434ranked 150 of 565
New dwellings authorised per year per 1,000 inhabitants (2021-2025)1.37 ‰ inh.2.72 ‰ inh.4.39 ‰ inh.ranked 529 of 564

Energy

IndicatorGrâce-HollogneLiègeNationalPositionRank
Residential buildings with central heating or air conditioning (2024)66.0%–76.7%ranked 473 of 564

Economy

IndicatorGrâce-HollogneLiègeNationalPositionRank
VAT-liable enterprises (2024)1,52089,3301,170,010ranked 242 of 565
VAT-liable enterprises per 1,000 inhabitants (2024)65.1 ‰ inh.79.4 ‰ inh.102.2 ‰ inh.ranked 514 of 564
Net taxable income per inhabitant (2023)19,024 €21,639 €24,247 €ranked 535 of 564
Median disposable income (administrative) (2023)26,354 €–30,830 €ranked 510 of 551
Median selling price of houses (2025)220,000 €–302,500 €ranked 475 of 554
Median selling price of apartments (2025)199,000 €–249,900 €ranked 252 of 299

Transport

IndicatorGrâce-HollogneLiègeNationalPositionRank
Cars per household (2025)1.161.111.25ranked 402 of 564
Households without a car (2025)21.7%25.4%17.6%ranked 141 of 564

Society

IndicatorGrâce-HollogneLiègeNationalPositionRank
Share of inhabitants of foreign nationality (2026)13.6%11.6%6.4%ranked 90 of 564
Administrative poverty risk (2023)14.5%14.1%7.0%ranked 47 of 551

Population of Grâce-Hollogne over time

21,95422,50523,05623,6072016: 22,1452017: 22,1882018: 22,5412019: 22,6602020: 22,8232021: 22,8602022: 23,0372023: 23,0502024: 23,2612025: 23,4162026: 23,353201620182020202220242026

Grâce-Hollogne had 22,145 residents in 2016 and 23,353 in 2026.

YearPopulation
202122,860
202223,037
202323,050
202423,261
202523,416
202623,353

Where is Grâce-Hollogne?

Business sectors: Grâce-Hollogne

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

Sunshine and temperatures: Grâce-Hollogne

Annual solar output
1,042kWh
for 1 kWp tilted at 39°
Warmest month
18.4°C
July
Coldest month
2.7°C
January
Most productive month
124kWh
May

Jan: 39 kWhJanFeb: 57 kWhFebMar: 92 kWhMarApr: 116 kWhAprMay: 124 kWhMayJun: 123 kWhJunJul: 124 kWhJulAug: 113 kWhAugSep: 102 kWhSepOct: 74 kWhOctNov: 46 kWhNovDec: 33 kWhDec0 °CJan: 2.7 °CFeb: 3.3 °CMar: 5.9 °CApr: 9.5 °CMay: 13.3 °CJun: 16.9 °CJul: 18.4 °CAug: 17.7 °CSep: 14.9 °COct: 11.5 °CNov: 6.7 °CDec: 3.9 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Frequently asked questions

What is the population of Grâce-Hollogne?

Grâce-Hollogne has 23,353 residents (2026), ranking 138 of 565 municipalities.

How big is Grâce-Hollogne?

Grâce-Hollogne covers 34.2 km², with a density of 683 people per km².

Is the population of Grâce-Hollogne growing?

Between 2016 and 2026, the population of Grâce-Hollogne went from 22,145 to 23,353, a change of +5.5%.

Where is Grâce-Hollogne?

Grâce-Hollogne is in Liège. It belongs to Liège (arrondissement). Latitude 50.633, longitude 5.477.

Net taxable income per inhabitant: what is the figure for Grâce-Hollogne?

In Grâce-Hollogne, “Net taxable income per inhabitant” stands at 19,024 € (2023), ranking 535 of 564 municipalities; the national median is 24,247 €.

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

In Grâce-Hollogne, “New dwellings authorised per year per 1,000 inhabitants” stands at 1.37 ‰ inh. (2021-2025), ranking 529 of 564 municipalities; the national median is 4.39 ‰ inh..

How much electricity does a solar panel produce in Grâce-Hollogne?

In Grâce-Hollogne, a 1 kWp south-facing system tilted at 39° produces about 1,042 kWh a year.

Which municipalities border Grâce-Hollogne?

The nearest to Grâce-Hollogne are Flémalle (3.6 km), Awans (3.9 km), Saint-Nicolas (4.0 km), Ans (4.5 km), Seraing (4.5 km).

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