Location map: Flumenthal
Municipality · Bezirk Lebern · Solothurn

Flumenthal: population and statistics

Flumenthal has a population of 1,023 (2025) across 3.1 km², or 329 people per km². It ranks 1,447 of 2,115 municipalities by population. Its population is growing: +6.7% between 2015 and 2025.

  • 1,023 residents
  • 3.1 km²
  • 329 people/km²
  • 447 m

Key points

Among the 106 municipalities in Solothurn, Flumenthal ranks No. 75 by population.

Dwellings in buildings built since 2001: 14.4% in Flumenthal, compared with an average of 21.9% in Solothurn and 24.6% nationally.

Share of jobs in services: 79.1% in Flumenthal, compared with an average of 67.4% in Solothurn and 73.4% nationally.

A 1 kWp solar panel tilted at 37° generates about 1,194 kWh a year here.

Flumenthal in numbers

Population
1,023
ranked 1,447 of 2,115
+6.7%over 10 years
2015–2025
Population density
329people/km²
ranked 749 of 1,806
Area
3.1km²
ranked 1,818 of 2,110
Elevation
447m
ranked 1,486 of 2,114
Dwellings in buildings built since 2001
14.4%
ranked 1,548 of 1,806
Share of jobs in services
79.1%
ranked 347 of 1,804
Photovoltaic installations
42
ranked 1,665 of 2,108
Share of limited companies (AG, GmbH) among registered entities
60.9%
ranked 1,314 of 1,808

Where is Flumenthal?

Population of Flumenthal over time

9009501,0001,0501,100201520172019202120232025
Population, 2015–2025

Flumenthal had 959 residents in 2015 and 1,023 in 2025.

YearPopulation
20201,052
20211,033
20221,026
20231,043
20241,052
20251,023

Did you know?

All indicators for Flumenthal

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.

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

Population

IndicatorFlumenthalSolothurnNationalPosition?Rank
Share of people aged 65 and over (2025)20.9%21.7%20.7%ranked 861 of 1,811

Housing

IndicatorFlumenthalSolothurnNationalPosition?Rank
Dwellings (2026)542148,9004,927,050ranked 1,452 of 2,108
Dwellings in buildings built before 1946 (2026)30.6%22.0%23.3%ranked 566 of 1,806
Dwellings in buildings built since 2001 (2026)14.4%21.9%25.3%ranked 1,548 of 1,806
Share of single-family houses among residential buildings (2026)73.5%70.1%69.5%ranked 641 of 1,806

Energy

IndicatorFlumenthalSolothurnNationalPosition?Rank
Oil or gas heating systems (2026)63.5%72.7%53.5%ranked 577 of 1,806
Heat pumps as main heating (2026)20.3%11.4%13.7%ranked 548 of 1,806
Wood heating systems (2026)6.6%8.1%12.4%ranked 1,311 of 1,806
District heating (2026)0.4%2.7%1.4%ranked 1,304 of 1,806
Photovoltaic installations (2026)4211,211329,600ranked 1,665 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,328 kW1,095 kW1,134 kWranked 684 of 1,806
Rooftop solar electricity potential (2026)10.5 GWh/year2,373 GWh/year64,783 GWh/yearranked 1,521 of 2,114
Rooftop solar potential per inhabitant (2026)10,254 kWh/inh.8,138 kWh/inh.9,356 kWh/inh.ranked 758 of 1,810

Economy

IndicatorFlumenthalSolothurnNationalPosition?Rank
Establishments (2024)6918,596728,011ranked 1,511 of 2,112
Entities listed in the commercial register (2026)6918,362762,757ranked 1,400 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)67.463.064.9ranked 813 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)60.9%65.9%65.7%ranked 1,314 of 1,808
Share of sole proprietorships among registered entities (2026)33.3%29.3%29.0%ranked 525 of 1,808

Employment

IndicatorFlumenthalSolothurnNationalPosition?Rank
Jobs (2024)430151,6335,679,518ranked 1,239 of 2,111
Jobs per 1,000 inhabitants (2024)420.3520.0362.9ranked 701 of 1,810
Share of jobs in services (2024)79.1%67.4%63.6%ranked 347 of 1,804
Share of jobs in industry and construction (2024)17.2%27.9%24.2%ranked 1,240 of 1,776

Society

IndicatorFlumenthalSolothurnNationalPosition?Rank
Share of foreign nationals (2025)14.8%25.9%18.9%ranked 1,209 of 1,811

Sunshine and temperatures: Flumenthal

Annual solar output
1,194kWh
for 1 kWp tilted at 37°
Warmest month
19.4°C
July
Coldest month
0.9°C
January
Most productive month
141kWh
July

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

Frequently asked questions

What is the population of Flumenthal?

Flumenthal has 1,023 residents (2025), ranking 1,447 of 2,115 municipalities.

How big is Flumenthal?

Flumenthal covers 3.1 km², with a density of 329 people per km².

Is the population of Flumenthal growing?

Between 2015 and 2025, the population of Flumenthal went from 959 to 1,023, a change of +6.7%.

Where is Flumenthal?

Flumenthal is in Solothurn. It belongs to Bezirk Lebern (district). Latitude 47.237, longitude 7.599.

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

In Flumenthal, “Dwellings in buildings built since 2001” stands at 14.4% (2026), ranking 1,548 of 1,806 municipalities; the national median is 25.3%.

Share of jobs in services: what is the figure for Flumenthal?

In Flumenthal, “Share of jobs in services” stands at 79.1% (2024), ranking 347 of 1,804 municipalities; the national median is 63.6%.

How much electricity does a solar panel produce in Flumenthal?

In Flumenthal, a 1 kWp south-facing system tilted at 37° produces about 1,194 kWh a year.

Which municipalities border Flumenthal?

The nearest to Flumenthal are Hubersdorf (0.9 km), Attiswil (1.6 km), Kammersrohr (1.8 km), Luterbach (2.2 km), Riedholz (2.4 km).