Location map: Lohn-Ammannsegg
Municipality · Bezirk Wasseramt · Solothurn

Lohn-Ammannsegg: population and statistics

Lohn-Ammannsegg has a population of 2,940 (2025) across 4.5 km², or 656 people per km². It ranks 742 of 2,115 municipalities by population. Its population is growing: +8.6% between 2015 and 2025.

  • 2,940 residents
  • 4.5 km²
  • 656 people/km²
  • 494 m

Key points

Among the 106 municipalities in Solothurn, Lohn-Ammannsegg ranks No. 31 by population.

District heating: 0.0% in Lohn-Ammannsegg, compared with an average of 2.7% in Solothurn and 7.3% nationally.

Share of people aged 65 and over: 26.4% in Lohn-Ammannsegg, compared with an average of 21.7% in Solothurn and 19.8% nationally.

A 1 kWp solar panel tilted at 37° generates about 1,201 kWh a year here.

Lohn-Ammannsegg in numbers

Population
2,940
ranked 742 of 2,115
+8.6%over 10 years
2015–2025
Population density
656people/km²
ranked 419 of 1,806
Area
4.5km²
ranked 1,586 of 2,110
Elevation
494m
ranked 1,175 of 2,114
District heating
0.0%
ranked 1,506 of 1,806
Share of people aged 65 and over
26.4%
ranked 177 of 1,811
Share of limited companies (AG, GmbH) among registered entities
74.8%
ranked 205 of 1,808
Share of foreign nationals
9.5%
ranked 1,563 of 1,811

Where is Lohn-Ammannsegg?

Population of Lohn-Ammannsegg over time

2,7002,8002,9003,000201520172019202120232025
Population, 2015–2025

Lohn-Ammannsegg had 2,706 residents in 2015 and 2,940 in 2025.

YearPopulation
20202,870
20212,891
20222,953
20232,976
20242,947
20252,940

Did you know?

All indicators for Lohn-Ammannsegg

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.

Lohn-AmmannseggNational medianHover over or tap a bar to see what it shows.

Population

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Share of people aged 65 and over (2025)26.4%21.7%20.7%ranked 177 of 1,811

Housing

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Dwellings (2026)1,395148,9004,927,050ranked 825 of 2,108
Dwellings in buildings built before 1946 (2026)11.0%22.0%23.3%ranked 1,556 of 1,806
Dwellings in buildings built since 2001 (2026)31.2%21.9%25.3%ranked 529 of 1,806
Share of single-family houses among residential buildings (2026)78.6%70.1%69.5%ranked 298 of 1,806

Energy

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Oil or gas heating systems (2026)64.4%72.7%53.5%ranked 533 of 1,806
Heat pumps as main heating (2026)24.9%11.4%13.7%ranked 387 of 1,806
Wood heating systems (2026)5.1%8.1%12.4%ranked 1,441 of 1,806
District heating (2026)0.0%2.7%1.4%ranked 1,506 of 1,806
Photovoltaic installations (2026)21411,211329,600ranked 468 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,455 kW1,095 kW1,134 kWranked 573 of 1,806
Rooftop solar electricity potential (2026)25.1 GWh/year2,373 GWh/year64,783 GWh/yearranked 836 of 2,114
Rooftop solar potential per inhabitant (2026)8,544 kWh/inh.8,138 kWh/inh.9,356 kWh/inh.ranked 1,066 of 1,810

Economy

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Establishments (2024)16818,596728,011ranked 892 of 2,112
Entities listed in the commercial register (2026)22618,362762,757ranked 667 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)76.963.064.9ranked 516 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)74.8%65.9%65.7%ranked 205 of 1,808
Share of sole proprietorships among registered entities (2026)20.8%29.3%29.0%ranked 1,559 of 1,808

Employment

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Jobs (2024)946151,6335,679,518ranked 856 of 2,111
Jobs per 1,000 inhabitants (2024)321.8520.0362.9ranked 1,072 of 1,810
Share of jobs in services (2024)63.7%67.4%63.6%ranked 895 of 1,804
Share of jobs in industry and construction (2024)34.7%27.9%24.2%ranked 448 of 1,776

Society

IndicatorLohn-AmmannseggSolothurnNationalPosition?Rank
Share of foreign nationals (2025)9.5%25.9%18.9%ranked 1,563 of 1,811

Sunshine and temperatures: Lohn-Ammannsegg

Annual solar output
1,201kWh
for 1 kWp tilted at 37°
Warmest month
19.2°C
July
Coldest month
0.6°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 Lohn-Ammannsegg?

Lohn-Ammannsegg has 2,940 residents (2025), ranking 742 of 2,115 municipalities.

How big is Lohn-Ammannsegg?

Lohn-Ammannsegg covers 4.5 km², with a density of 656 people per km².

Is the population of Lohn-Ammannsegg growing?

Between 2015 and 2025, the population of Lohn-Ammannsegg went from 2,706 to 2,940, a change of +8.6%.

Where is Lohn-Ammannsegg?

Lohn-Ammannsegg is in Solothurn. It belongs to Bezirk Wasseramt (district). Latitude 47.169, longitude 7.525.

District heating: what is the figure for Lohn-Ammannsegg?

In Lohn-Ammannsegg, “District heating” stands at 0.0% (2026), ranking 1,506 of 1,806 municipalities; the national median is 1.4%.

Share of people aged 65 and over: what is the figure for Lohn-Ammannsegg?

In Lohn-Ammannsegg, “Share of people aged 65 and over” stands at 26.4% (2025), ranking 177 of 1,811 municipalities; the national median is 20.7%.

How much electricity does a solar panel produce in Lohn-Ammannsegg?

In Lohn-Ammannsegg, a 1 kWp south-facing system tilted at 37° produces about 1,201 kWh a year.

Which municipalities border Lohn-Ammannsegg?

The nearest to Lohn-Ammannsegg are Lüterkofen-Ichertswil (1.7 km), Lüsslingen-Nennigkofen (2.9 km), Biberist (2.9 km), Wiler bei Utzenstorf (3.2 km), Gerlafingen (3.7 km).