Location map: Grossdietwil
Municipality · Wahlkreis Willisau · Lucerne

Grossdietwil: population and statistics

Grossdietwil has a population of 923 (2025) across 10.2 km², or 90.5 people per km². It ranks 1,504 of 2,115 municipalities by population. Its population is growing: +11.1% between 2015 and 2025.

  • 923 residents
  • 10.2 km²
  • 90 people/km²
  • 567 m

Key points

Among the 79 municipalities in Lucerne, Grossdietwil ranks No. 74 by population.

Installed photovoltaic capacity per 1,000 inhabitants: 2,668 kW in Grossdietwil, compared with an average of 1,343 kW in Lucerne and 919.4 kW nationally.

Dwellings in buildings built since 2001: 38.4% in Grossdietwil, compared with an average of 29.3% in Lucerne and 24.6% nationally.

A 1 kWp solar panel tilted at 38° generates about 1,175 kWh a year here.

Grossdietwil in numbers

Population
923
ranked 1,504 of 2,115
+11.1%over 10 years
2015–2025
Population density
90people/km²
ranked 1,466 of 1,806
Area
10.2km²
ranked 896 of 2,110
Elevation
567m
ranked 872 of 2,114
Installed photovoltaic capacity per 1,000 inhabitants
2,668kW
ranked 86 of 1,806
Dwellings in buildings built since 2001
38.4%
ranked 208 of 1,806
Share of jobs in services
39.5%
ranked 1,612 of 1,804
Share of limited companies (AG, GmbH) among registered entities
74.1%
ranked 239 of 1,808

Where is Grossdietwil?

Population of Grossdietwil over time

825850875900925201520172019202120232025
Population, 2015–2025

Grossdietwil had 831 residents in 2015 and 923 in 2025.

YearPopulation
2020855
2021861
2022876
2023904
2024920
2025923

Did you know?

All indicators for Grossdietwil

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.

GrossdietwilNational medianHover over or tap a bar to see what it shows.

Population

IndicatorGrossdietwilLucerneNationalPosition?Rank
Share of people aged 65 and over (2025)19.3%19.4%20.7%ranked 1,158 of 1,811

Housing

IndicatorGrossdietwilLucerneNationalPosition?Rank
Dwellings (2026)451219,0354,927,050ranked 1,581 of 2,108
Dwellings in buildings built before 1946 (2026)24.4%16.6%23.3%ranked 837 of 1,806
Dwellings in buildings built since 2001 (2026)38.4%29.3%25.3%ranked 208 of 1,806
Share of single-family houses among residential buildings (2026)60.0%49.1%69.5%ranked 1,358 of 1,806

Energy

IndicatorGrossdietwilLucerneNationalPosition?Rank
Oil or gas heating systems (2026)38.3%49.7%53.5%ranked 1,411 of 1,806
Heat pumps as main heating (2026)17.8%25.3%13.7%ranked 679 of 1,806
Wood heating systems (2026)36.1%13.2%12.4%ranked 164 of 1,806
District heating (2026)0.6%6.7%1.4%ranked 1,198 of 1,806
Photovoltaic installations (2026)6216,268329,600ranked 1,436 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)2,668 kW1,343 kW1,134 kWranked 86 of 1,806
Rooftop solar electricity potential (2026)15.1 GWh/year3,326 GWh/year64,783 GWh/yearranked 1,240 of 2,114
Rooftop solar potential per inhabitant (2026)16,306 kWh/inh.7,532 kWh/inh.9,356 kWh/inh.ranked 190 of 1,810

Economy

IndicatorGrossdietwilLucerneNationalPosition?Rank
Establishments (2024)10034,265728,011ranked 1,256 of 2,112
Entities listed in the commercial register (2026)5434,626762,757ranked 1,546 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)58.578.464.9ranked 1,191 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)74.1%74.5%65.7%ranked 239 of 1,808
Share of sole proprietorships among registered entities (2026)22.2%20.6%29.0%ranked 1,462 of 1,808

Employment

IndicatorGrossdietwilLucerneNationalPosition?Rank
Jobs (2024)526273,9705,679,518ranked 1,146 of 2,111
Jobs per 1,000 inhabitants (2024)569.9620.6362.9ranked 356 of 1,810
Share of jobs in services (2024)39.5%69.3%63.6%ranked 1,612 of 1,804
Share of jobs in industry and construction (2024)36.7%24.2%24.2%ranked 384 of 1,776

Society

IndicatorGrossdietwilLucerneNationalPosition?Rank
Share of foreign nationals (2025)15.8%21.9%18.9%ranked 1,132 of 1,811

Sunshine and temperatures: Grossdietwil

Annual solar output
1,175kWh
for 1 kWp tilted at 38°
Warmest month
18.1°C
July
Coldest month
0.1°C
January
Most productive month
137kWh
July

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)

Frequently asked questions

What is the population of Grossdietwil?

Grossdietwil has 923 residents (2025), ranking 1,504 of 2,115 municipalities.

How big is Grossdietwil?

Grossdietwil covers 10.2 km², with a density of 90 people per km².

Is the population of Grossdietwil growing?

Between 2015 and 2025, the population of Grossdietwil went from 831 to 923, a change of +11.1%.

Where is Grossdietwil?

Grossdietwil is in Lucerne. It belongs to Wahlkreis Willisau (district). Latitude 47.172, longitude 7.885.

Installed photovoltaic capacity per 1,000 inhabitants: what is the figure for Grossdietwil?

In Grossdietwil, “Installed photovoltaic capacity per 1,000 inhabitants” stands at 2,668 kW (2026), ranking 86 of 1,806 municipalities; the national median is 1,134 kW.

Dwellings in buildings built since 2001: what is the figure for Grossdietwil?

In Grossdietwil, “Dwellings in buildings built since 2001” stands at 38.4% (2026), ranking 208 of 1,806 municipalities; the national median is 25.3%.

How much electricity does a solar panel produce in Grossdietwil?

In Grossdietwil, a 1 kWp south-facing system tilted at 38° produces about 1,175 kWh a year.

Which municipalities border Grossdietwil?

The nearest to Grossdietwil are Altbüron (1.3 km), Fischbach (2.5 km), Melchnau (2.7 km), Reisiswil (3.0 km), Gondiswil (3.0 km).