Location map: Unterseen
Municipality · Verwaltungskreis Interlaken-Oberhasli · Bern

Unterseen: population and statistics

Unterseen has a population of 5,750 (2025) across 14.1 km², or 408 people per km². It ranks 364 of 2,115 municipalities by population. Its population is growing: +1.1% between 2015 and 2025.

  • 5,750 residents
  • 14.1 km²
  • 408 people/km²
  • 569 m

Key points

Among the 335 municipalities in Bern, Unterseen ranks No. 36 by population.

Share of single-family houses among residential buildings: 52.8% in Unterseen, compared with an average of 54.1% in Bern and 56.9% nationally.

Share of people aged 65 and over: 25.7% in Unterseen, compared with an average of 22.7% in Bern and 19.8% nationally.

A 1 kWp solar panel tilted at 40° generates about 1,288 kWh a year here.

Unterseen in numbers

Population
5,750
ranked 364 of 2,115
+1.1%over 10 years
2015–2025
Population density
408people/km²
ranked 637 of 1,806
Area
14.1km²
ranked 648 of 2,110
Elevation
569m
ranked 863 of 2,114
Share of single-family houses among residential buildings
52.8%
ranked 1,601 of 1,806
Share of people aged 65 and over
25.7%
ranked 220 of 1,811
Jobs
3,516
ranked 275 of 2,111
Establishments
439
ranked 318 of 2,112

Where is Unterseen?

Population of Unterseen over time

5,6505,7005,7505,8005,8505,900201520172019202120232025
Population, 2015–2025

Unterseen had 5,690 residents in 2015 and 5,750 in 2025.

YearPopulation
20205,760
20215,738
20225,745
20235,738
20245,708
20255,750

Did you know?

All indicators for Unterseen

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.

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

Population

IndicatorUnterseenBernNationalPosition?Rank
Share of people aged 65 and over (2025)25.7%22.7%20.7%ranked 220 of 1,811

Housing

IndicatorUnterseenBernNationalPosition?Rank
Dwellings (2026)3,489599,6334,927,050ranked 312 of 2,108
Dwellings in buildings built before 1946 (2026)27.0%29.0%23.3%ranked 705 of 1,806
Dwellings in buildings built since 2001 (2026)16.9%17.2%25.3%ranked 1,429 of 1,806
Share of single-family houses among residential buildings (2026)52.8%54.1%69.5%ranked 1,601 of 1,806

Energy

IndicatorUnterseenBernNationalPosition?Rank
Oil or gas heating systems (2026)69.2%60.7%53.5%ranked 383 of 1,806
Heat pumps as main heating (2026)7.0%14.3%13.7%ranked 1,503 of 1,806
Wood heating systems (2026)8.7%14.7%12.4%ranked 1,154 of 1,806
District heating (2026)8.2%5.7%1.4%ranked 300 of 1,806
Photovoltaic installations (2026)23540,598329,600ranked 405 of 2,108
Installed photovoltaic capacity per 1,000 inhabitants (2026)947.3 kW999.1 kW1,134 kWranked 1,176 of 1,806
Rooftop solar electricity potential (2026)37.7 GWh/year9,185 GWh/year64,783 GWh/yearranked 516 of 2,114
Rooftop solar potential per inhabitant (2026)6,553 kWh/inh.8,535 kWh/inh.9,356 kWh/inh.ranked 1,454 of 1,810

Economy

IndicatorUnterseenBernNationalPosition?Rank
Establishments (2024)43980,971728,011ranked 318 of 2,112
Entities listed in the commercial register (2026)42967,347762,757ranked 337 of 2,115
Entities in the commercial register per 1,000 inhabitants (2026)74.662.664.9ranked 578 of 1,811
Share of limited companies (AG, GmbH) among registered entities (2026)73.0%64.8%65.7%ranked 307 of 1,808
Share of sole proprietorships among registered entities (2026)24.5%29.2%29.0%ranked 1,310 of 1,808

Employment

IndicatorUnterseenBernNationalPosition?Rank
Jobs (2024)3,516677,4925,679,518ranked 275 of 2,111
Jobs per 1,000 inhabitants (2024)611.5629.6362.9ranked 305 of 1,810
Share of jobs in services (2024)80.6%70.3%63.6%ranked 310 of 1,804
Share of jobs in industry and construction (2024)17.4%22.5%24.2%ranked 1,227 of 1,776

Society

IndicatorUnterseenBernNationalPosition?Rank
Share of foreign nationals (2025)21.9%18.6%18.9%ranked 686 of 1,811

Sunshine and temperatures: Unterseen

Annual solar output
1,288kWh
for 1 kWp tilted at 40°
Warmest month
11.2°C
July
Coldest month
−8.4°C
January
Most productive month
132kWh
April

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

Frequently asked questions

What is the population of Unterseen?

Unterseen has 5,750 residents (2025), ranking 364 of 2,115 municipalities.

How big is Unterseen?

Unterseen covers 14.1 km², with a density of 408 people per km².

Is the population of Unterseen growing?

Between 2015 and 2025, the population of Unterseen went from 5,690 to 5,750, a change of +1.1%.

Where is Unterseen?

Unterseen is in Bern. It belongs to Verwaltungskreis Interlaken-Oberhasli (district). Latitude 46.687, longitude 7.850.

Share of single-family houses among residential buildings: what is the figure for Unterseen?

In Unterseen, “Share of single-family houses among residential buildings” stands at 52.8% (2026), ranking 1,601 of 1,806 municipalities; the national median is 69.5%.

Share of people aged 65 and over: what is the figure for Unterseen?

In Unterseen, “Share of people aged 65 and over” stands at 25.7% (2025), ranking 220 of 1,811 municipalities; the national median is 20.7%.

How much electricity does a solar panel produce in Unterseen?

In Unterseen, a 1 kWp south-facing system tilted at 40° produces about 1,288 kWh a year.

Which municipalities border Unterseen?

The nearest to Unterseen are Interlaken (1.2 km), Matten bei Interlaken (2.4 km), Wilderswil (2.7 km), Bönigen (3.4 km), Ringgenberg (BE) (3.9 km).