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City · Solothurn

Olten

These figures are for the whole municipality Olten belongs to.

Landscape

The shape of the place

The land-use survey ending in 2025 shows how the area is shared between buildings, woodland, farmland and water.

43%

Forest

  • Forest43%
  • Settlement41%
  • Agriculture10%
  • Water5%
  • Other<1%
Survey period ending 2025 · BFS

Housing

Finding a home here

A view of the rental market, drawn from 114 apartment and house listings. These are advertised rents, before any individual negotiation.

Figures of the municipality of Olten

Homes to rentHomes to buy
Net asking rent

CHF 18.5

/ m² per month

Middle half of advertised rents

17.122.1

1 Nov 2026

More about Housing
Vacancy
1.76%As of 1 June 2026

2026

1.76%

3.91.90
20222026
Vacancy
20151.18%
20162.99%
20172.75%
20182.68%
20193.04%
20203.28%
20213.66%
20223.87%
20232.50%
20242.44%
20252.06%
20261.76%
Net asking rentCHF 18.5/ m² per monthFigures of the municipality of Olten · 1 Nov 2026

Figures of the municipality of Olten · Median of 114 listings for flats and houses · middle half 17.1–22.1 · as of 1 Nov 2026

Gross asking rentCHF 21.3/ m² per monthFigures of the municipality of Olten · 1 Nov 2026

Figures of the municipality of Olten · Median of 149 listings for flats and houses · middle half 20–25.4 · as of 1 Nov 2026

Asking priceCHF 6'577/ m²Figures of the municipality of Olten · 1 Nov 2026

Figures of the municipality of Olten · Median of 20 listings for flats and houses · middle half 6'066–9'124 · as of 1 Nov 2026

Dwellings11'053Counted on 31 Dec 2025 · in 3'135 residential buildings
Newly built dwellings52During 2024
Primary residences87%Dwelling inventory 2026
Broadband coverage88%FibreAs of 2026 · Broadband coverage is one part of everyday infrastructure. This is coverage across the reported area; availability at a particular home still depends on its address.

People

The people who live here

The population grew by 13.4% between 2010 and 2025. The annual record shows how that change unfolded.

End of 2025

2025

19'265

19.3K9.6K0
20212025
Population
201016'987
201117'076
201217'133
201317'280
201417'350
201517'833
201618'166
201718'389
201818'363
201918'399
202018'496
202118'349
202218'339
202318'715
202419'051
202519'265
More about People
Population
19'265End of 2025

2025

19'265

19.3K9.6K0
20212025
Population
201016'987
201117'076
201217'133
201317'280
201417'350
201517'833
201618'166
201718'389
201818'363
201918'399
202018'496
202118'349
202218'339
202318'715
202419'051
202519'265
Foreign residents
32.5%End of 2025

2025

32.5%

32.516.20
20212025
Foreign residents
201027.9%
201127.2%
201227.2%
201327.3%
201427.8%
201528.7%
201628.9%
201729.1%
201829.1%
201929.3%
202029.6%
202129.7%
202230.2%
202331.4%
202432.0%
202532.5%
Jobs (FTE)
18'359

As of 2024 · The reported area accounts for 18'359 full-time-equivalent jobs. This describes employment located here, rather than the number of residents who work.

2024

18'359

18.4K9.2K0
20202024
Jobs (FTE)
201115'007
201215'107
201315'226
201415'260
201516'159
201616'408
201716'827
201817'146
201917'201
202017'243
202117'477
202217'677
202318'381
202418'359

Taxes & income

A picture of local costs

Single person without children, gross wage CHF 100'000 · Canton, municipality and personal tax, without church, federal and wealth tax · tax year 2026

Figures of the municipality of Olten

CHF 14'225

/ year

More about Taxes & income
Income taxCHF 14'225/ yearFigures of the municipality of Olten · Tax year 2026

Figures of the municipality of Olten · Single person without children, gross wage CHF 100'000 · Canton, municipality and personal tax, without church, federal and wealth tax · tax year 2026

Tax multiplier
108%Tax year 2026

2026

108%

108540
20222026
Tax multiplier
2010100%
2011100%
201295%
201395%
2014105%
2015108%
2016108%
2017108%
2018108%
2019112%
2020108%
2021108%
2022108%
2023108%
2024108%
2025108%
2026108%
Median taxable income
CHF 49'300All taxpayers · tax period 2022

2022

CHF 49'300

49.3K24.7K0
20182022
Median taxable income
2010CHF 43'500
2011CHF 44'200
2012CHF 44'100
2013CHF 44'000
2014CHF 44'900
2015CHF 44'700
2016CHF 45'400
2017CHF 45'700
2018CHF 46'800
2019CHF 47'500
2020CHF 48'000
2021CHF 48'700
2022CHF 49'300
Median net income
CHF 53'500As of 2022

2022

CHF 53'500

53.5K26.8K0
20182022
Median net income
2010CHF 48'500
2011CHF 49'100
2012CHF 49'200
2013CHF 49'100
2014CHF 49'200
2015CHF 49'050
2016CHF 49'800
2017CHF 50'100
2018CHF 51'700
2019CHF 52'100
2020CHF 52'400
2021CHF 53'400
2022CHF 53'500
Paying direct federal tax78%As of 2022
Cantonal tax multiplier
104%Tax year 2026

2026

104%

104520
20222026
Cantonal tax multiplier
2010105%
2011104%
2012100%
2013100%
2014102%
2015104%
2016104%
2017104%
2018104%
2019104%
2020104%
2021104%
2022104%
2023104%
2024104%
2025104%
2026104%

Federal data — BFS (STATPOP, STATENT, land use), ESTV, BAKOM, ARE. Asking rents and prices: Homematch, from listings on Swiss portals.

The municipality
Settlement type
Urban
Municipality type
Urban municipality of a medium-sized agglomertation
Language region
German
Agglomeration
Olten – Zofingen
Labour market region
Aarau–Olten
Statistical city
Yes
Mountain region
No

Federal Statistical Office · 2020