Location map: Aeschi (SO)
Municipality · Bezirk Wasseramt · Solothurn

Aeschi (SO): population and statistics

Aeschi (SO) has a population of 1,342 (2025) across 5.5 km², or 245 people per km². It ranks 1,255 of 2,115 municipalities by population. Its population is growing: +10.4% between 2015 and 2025.

  • 1,342 residents
  • 5.5 km²
  • 245 people/km²
  • 499 m

Key points

Among the 106 municipalities in Solothurn, Aeschi (SO) ranks No. 60 by population.

Share of foreign nationals: 8.9% in Aeschi (SO), compared with an average of 25.9% in Solothurn and 27.7% nationally.

Share of people aged 65 and over: 25.6% in Aeschi (SO), compared with an average of 21.7% in Solothurn and 19.8% nationally.

A 1 kWp solar panel tilted at 38° generates about 1,183 kWh a year here.

Aeschi (SO) in numbers

Population
1,342
ranked 1,255 of 2,115
+10.4%over 10 years
2015–2025
Population density
245people/km²
ranked 934 of 1,806
Area
5.5km²
ranked 1,433 of 2,110
Elevation
499m
ranked 1,153 of 2,114
Share of foreign nationals
8.9%
ranked 1,599 of 1,811
Share of people aged 65 and over
25.6%
ranked 226 of 1,811
Jobs per 1,000 inhabitants
191.5
ranked 1,593 of 1,810
Share of single-family houses among residential buildings
76.3%
ranked 452 of 1,806

Where is Aeschi (SO)?

Population of Aeschi (SO) over time

1,2001,2501,3001,350201520172019202120232025
Population, 2015–2025

Aeschi (SO) had 1,216 residents in 2015 and 1,342 in 2025.

YearPopulation
20201,268
20211,310
20221,306
20231,329
20241,328
20251,342

Did you know?

All indicators for Aeschi (SO)

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.

Aeschi (SO)National medianHover over or tap a bar to see what it shows.

Population

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Share of people aged 65 and over (2025)25.6%21.7%20.7%ranked 226 of 1,811

Housing

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Dwellings (2026)677148,9004,927,050ranked 1,304 of 2,108
Dwellings in buildings built before 1946 (2026)21.1%22.0%23.3%ranked 1,010 of 1,806
Dwellings in buildings built since 2001 (2026)27.5%21.9%25.3%ranked 758 of 1,806
Share of single-family houses among residential buildings (2026)76.3%70.1%69.5%ranked 452 of 1,806

Energy

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Oil or gas heating systems (2026)58.7%72.7%53.5%ranked 741 of 1,806
Heat pumps as main heating (2026)20.7%11.4%13.7%ranked 533 of 1,806
Wood heating systems (2026)16.0%8.1%12.4%ranked 715 of 1,806
District heating (2026)0.3%2.7%1.4%ranked 1,350 of 1,806
Photovoltaic installations (2026)10711,211329,600ranked 1,019 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)1,379 kW1,095 kW1,134 kWranked 646 of 1,806
Rooftop solar electricity potential (2026)12.3 GWh/year2,373 GWh/year64,783 GWh/yearranked 1,402 of 2,114
Rooftop solar potential per inhabitant (2026)9,136 kWh/inh.8,138 kWh/inh.9,356 kWh/inh.ranked 949 of 1,810

Economy

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Establishments (2024)6618,596728,011ranked 1,543 of 2,112
Entities listed in the commercial register (2026)7418,362762,757ranked 1,357 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)55.163.064.9ranked 1,337 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)60.8%65.9%65.7%ranked 1,324 of 1,808
Share of sole proprietorships among registered entities (2026)29.7%29.3%29.0%ranked 839 of 1,808

Employment

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Jobs (2024)257151,6335,679,518ranked 1,498 of 2,111
Jobs per 1,000 inhabitants (2024)191.5520.0362.9ranked 1,593 of 1,810
Share of jobs in services (2024)62.6%67.4%63.6%ranked 934 of 1,804
Share of jobs in industry and construction (2024)21.0%27.9%24.2%ranked 1,040 of 1,776

Society

IndicatorAeschi (SO)SolothurnNationalPosition?Rank
Share of foreign nationals (2025)8.9%25.9%18.9%ranked 1,599 of 1,811

Sunshine and temperatures: Aeschi (SO)

Annual solar output
1,183kWh
for 1 kWp tilted at 38°
Warmest month
18.9°C
July
Coldest month
0.5°C
January
Most productive month
138kWh
July

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

Frequently asked questions

What is the population of Aeschi (SO)?

Aeschi (SO) has 1,342 residents (2025), ranking 1,255 of 2,115 municipalities.

How big is Aeschi (SO)?

Aeschi (SO) covers 5.5 km², with a density of 245 people per km².

Is the population of Aeschi (SO) growing?

Between 2015 and 2025, the population of Aeschi (SO) went from 1,216 to 1,342, a change of +10.4%.

Where is Aeschi (SO)?

Aeschi (SO) is in Solothurn. It belongs to Bezirk Wasseramt (district). Latitude 47.182, longitude 7.662.

Share of foreign nationals: what is the figure for Aeschi (SO)?

In Aeschi (SO), “Share of foreign nationals” stands at 8.9% (2025), ranking 1,599 of 1,811 municipalities; the national median is 18.9%.

Share of people aged 65 and over: what is the figure for Aeschi (SO)?

In Aeschi (SO), “Share of people aged 65 and over” stands at 25.6% (2025), ranking 226 of 1,811 municipalities; the national median is 20.7%.

How much electricity does a solar panel produce in Aeschi (SO)?

In Aeschi (SO), a 1 kWp south-facing system tilted at 38° produces about 1,183 kWh a year.

Which municipalities border Aeschi (SO)?

The nearest to Aeschi (SO) are Bolken (1.2 km), Etziken (1.3 km), Hüniken (1.9 km), Niederönz (2.0 km), Inkwil (2.4 km).