Location map: Buchegg
Municipality · Bezirk Bucheggberg · Solothurn

Buchegg: population and statistics

Buchegg has a population of 2,979 (2025) across 22.6 km², or 132 people per km². It ranks 734 of 2,115 municipalities by population. Its population is growing: +5.6% between 2015 and 2025.

  • 2,979 residents
  • 22.6 km²
  • 132 people/km²
  • 564 m

Key points

Among the 106 municipalities in Solothurn, Buchegg ranks No. 30 by population.

Share of foreign nationals: 5.7% in Buchegg, compared with an average of 25.9% in Solothurn and 27.7% nationally.

Dwellings in buildings built before 1946: 46.0% in Buchegg, compared with an average of 22.0% in Solothurn and 22.4% nationally.

A 1 kWp solar panel tilted at 37° generates about 1,202 kWh a year here.

Buchegg in numbers

Population
2,979
ranked 734 of 2,115
+5.6%over 10 years
2015–2025
Population density
132people/km²
ranked 1,284 of 1,806
Area
22.6km²
ranked 397 of 2,110
Elevation
564m
ranked 891 of 2,114
Share of foreign nationals
5.7%
ranked 1,736 of 1,811
Dwellings in buildings built before 1946
46.0%
ranked 169 of 1,806
Wood heating systems
29.2%
ranked 275 of 1,806
Share of jobs in industry and construction
11.6%
ranked 1,490 of 1,776

Where is Buchegg?

Population of Buchegg over time

2,8002,8502,9002,9503,000201520172019202120232025
Population, 2015–2025

Buchegg had 2,822 residents in 2015 and 2,979 in 2025.

YearPopulation
20202,861
20212,851
20222,898
20232,926
20242,964
20252,979

Did you know?

All indicators for Buchegg

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.

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

Population

IndicatorBucheggSolothurnNationalPosition?Rank
Share of people aged 65 and over (2025)24.2%21.7%20.7%ranked 376 of 1,811

Housing

IndicatorBucheggSolothurnNationalPosition?Rank
Dwellings (2026)1,514148,9004,927,050ranked 776 of 2,108
Dwellings in buildings built before 1946 (2026)46.0%22.0%23.3%ranked 169 of 1,806
Dwellings in buildings built since 2001 (2026)16.8%21.9%25.3%ranked 1,430 of 1,806
Share of single-family houses among residential buildings (2026)73.9%70.1%69.5%ranked 618 of 1,806

Energy

IndicatorBucheggSolothurnNationalPosition?Rank
Oil or gas heating systems (2026)47.3%72.7%53.5%ranked 1,134 of 1,806
Heat pumps as main heating (2026)15.1%11.4%13.7%ranked 817 of 1,806
Wood heating systems (2026)29.2%8.1%12.4%ranked 275 of 1,806
District heating (2026)5.5%2.7%1.4%ranked 432 of 1,806
Photovoltaic installations (2026)27411,211329,600ranked 319 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,895 kW1,095 kW1,134 kWranked 263 of 1,806
Rooftop solar electricity potential (2026)40.0 GWh/year2,373 GWh/year64,783 GWh/yearranked 462 of 2,114
Rooftop solar potential per inhabitant (2026)13,444 kWh/inh.8,138 kWh/inh.9,356 kWh/inh.ranked 371 of 1,810

Economy

IndicatorBucheggSolothurnNationalPosition?Rank
Establishments (2024)23918,596728,011ranked 640 of 2,112
Entities listed in the commercial register (2026)19618,362762,757ranked 746 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)65.863.064.9ranked 869 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)64.8%65.9%65.7%ranked 981 of 1,808
Share of sole proprietorships among registered entities (2026)31.6%29.3%29.0%ranked 675 of 1,808

Employment

IndicatorBucheggSolothurnNationalPosition?Rank
Jobs (2024)1,266151,6335,679,518ranked 704 of 2,111
Jobs per 1,000 inhabitants (2024)425.0520.0362.9ranked 686 of 1,810
Share of jobs in services (2024)71.6%67.4%63.6%ranked 602 of 1,804
Share of jobs in industry and construction (2024)11.6%27.9%24.2%ranked 1,490 of 1,776

Society

IndicatorBucheggSolothurnNationalPosition?Rank
Share of foreign nationals (2025)5.7%25.9%18.9%ranked 1,736 of 1,811

Sunshine and temperatures: Buchegg

Annual solar output
1,202kWh
for 1 kWp tilted at 37°
Warmest month
19.2°C
July
Coldest month
0.7°C
January
Most productive month
142kWh
July

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

Frequently asked questions

What is the population of Buchegg?

Buchegg has 2,979 residents (2025), ranking 734 of 2,115 municipalities.

How big is Buchegg?

Buchegg covers 22.6 km², with a density of 132 people per km².

Is the population of Buchegg growing?

Between 2015 and 2025, the population of Buchegg went from 2,822 to 2,979, a change of +5.6%.

Where is Buchegg?

Buchegg is in Solothurn. It belongs to Bezirk Bucheggberg (district). Latitude 47.136, longitude 7.476.

Share of foreign nationals: what is the figure for Buchegg?

In Buchegg, “Share of foreign nationals” stands at 5.7% (2025), ranking 1,736 of 1,811 municipalities; the national median is 18.9%.

Dwellings in buildings built before 1946: what is the figure for Buchegg?

In Buchegg, “Dwellings in buildings built before 1946” stands at 46.0% (2026), ranking 169 of 1,806 municipalities; the national median is 23.3%.

How much electricity does a solar panel produce in Buchegg?

In Buchegg, a 1 kWp south-facing system tilted at 37° produces about 1,202 kWh a year.

Which municipalities border Buchegg?

The nearest to Buchegg are Unterramsern (1.9 km), Lüterkofen-Ichertswil (3.6 km), Bätterkinden (4.3 km), Leuzigen (4.6 km), Arch (4.8 km).