Municipality · Trøndelag - Trööndelage

Indre Fosen: population and statistics

Indre Fosen has a population of 10,006 (2026) across 1,030.0 km², or 9.7 people per km². It ranks 112 of 357 municipalities by population. Its population is falling: −1.7% between 2016 and 2026.

  • 10,006 residents
  • 1,030.0 km²
  • 10 people/km²
  • 3 m
Location map: Indre Fosen

Key points

Among the 38 municipalities in Trøndelag - Trööndelage, Indre Fosen ranks No. 11 by population.

Businesses registered in the last 12 months per 1,000 inhabitants: 8.4 per 1,000 inh. in Indre Fosen, compared with an average of 12.1 per 1,000 inh. in Trøndelag - Trööndelage and 13.4 per 1,000 inh. nationally.

Share of population with immigrant background: 11.5% in Indre Fosen, compared with an average of 15.7% in Trøndelag - Trööndelage and 21.8% nationally.

Largest business sector: Agriculture, forestry and fishing, with 30.7% of the area's business sites.

A 1 kWp solar panel tilted at 45° generates about 784 kWh a year here.

Did you know?

Indre Fosen in numbers

Population
10,006
ranked 112 of 357 −1.7%
Population density
10people/km²
ranked 163 of 351
Area
1,030km²
ranked 104 of 357
Elevation
3m
ranked 337 of 357
Businesses registered in the last 12 months per 1,000 inhabitants
8.4per 1,000 inh.
ranked 319 of 351
Share of population with immigrant background
11.5%
ranked 301 of 351
Passenger cars in own-account transport per 1,000 inhabitants
640per 1,000 inh.
ranked 59 of 351
Registered unemployed as a share of the population aged 15–74
1.3%
ranked 43 of 351

All indicators for Indre Fosen

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.

Population

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Net migration per 1,000 inhabitants (2025)−1.3 per 1,000 inh.3.2 per 1,000 inh.4.1 per 1,000 inh.ranked 273 of 351
Share of inhabitants aged 65 and over (2026)25.2%19.6%23.7%ranked 119 of 351
Share of inhabitants under 18 (2026)18.8%19.3%18.7%ranked 166 of 351

Housing

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Total dwellings (occupied and unoccupied) (2026)5,423252,6032,760,619ranked 110 of 357
Share of dwellings built before 1946 (2026)19.3%13.9%16.4%ranked 130 of 351
Share of dwellings built after 2000 (2026)20.1%29.2%21.8%ranked 193 of 351
Share of dwellings in detached, semi-detached and terraced houses (2026)91.5%67.6%89.9%ranked 135 of 351
Share of dwellings in blocks of flats (2026)3.0%25.7%4.4%ranked 213 of 351
Cabins and holiday homes per 1,000 inhabitants (2026)195.4 per 1,000 inh.105.8 per 1,000 inh.153.1 per 1,000 inh.ranked 144 of 351

Economy

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Establishments (2026)1,33755,147656,492ranked 103 of 357
Establishments per 1,000 inhabitants (2026)133.6 per 1,000 inh.112.7 per 1,000 inh.129.8 per 1,000 inh.ranked 165 of 351
Median income before tax (gross income) (2024)485,400 NOK–500,900 NOKranked 248 of 351
Active businesses in the Central Coordinating Register (2026)1,683 per 1,000 inh.74,237 per 1,000 inh.915,761 per 1,000 inh.ranked 106 of 357
Active businesses in the register per 1,000 inhabitants (2026)168.2 per 1,000 inh.151.7 per 1,000 inh.167.1 per 1,000 inh.ranked 170 of 351
Businesses registered in the last 12 months per 1,000 inhabitants (2026)8.4 per 1,000 inh.12.1 per 1,000 inh.11.9 per 1,000 inh.ranked 319 of 351

Employment

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Employed persons as a percentage of the population aged 15–74 (2025)66.0%68.5%67.5%ranked 228 of 351
Registered unemployed as a share of the population aged 15–74 (2025)1.3%1.0%0.9%ranked 43 of 351

Transport

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Passenger cars in own-account transport per 1,000 inhabitants (2025)640 per 1,000 inh.516 per 1,000 inh.591 per 1,000 inh.ranked 59 of 351
Share of electric cars among passenger cars in own-account transport (2025)22.7%31.4%19.7%ranked 130 of 351

Society

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Share of population with immigrant background (2025)11.5%15.7%15.2%ranked 301 of 351

Health

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Life expectancy at birth (average of women and men) (2025)83.2 years83.282.8ranked 92 of 351

Education

IndicatorIndre FosenTrøndelag - TrööndelageNationalPositionRank
Share with university or university college education (2025)24.5%37.5%27.5%ranked 268 of 351

Population of Indre Fosen over time

9,8589,97710,09710,2162016: 10,1752017: 10,1082018: 10,0902019: 9,9882020: 10,0842021: 9,9482022: 9,8992023: 9,9772024: 10,0232025: 10,0422026: 10,006201620182020202220242026

Indre Fosen had 10,175 residents in 2016 and 10,006 in 2026.

YearPopulation
20219,948
20229,899
20239,977
202410,023
202510,042
202610,006

Where is Indre Fosen?

Business sectors: Indre Fosen

Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than nationally.

Sunshine and temperatures: Indre Fosen

Annual solar output
784kWh
for 1 kWp tilted at 45°
Warmest month
15.6°C
July
Coldest month
−2.3°C
January
Most productive month
118kWh
May

Jan: 7 kWhJanFeb: 30 kWhFebMar: 78 kWhMarApr: 105 kWhAprMay: 118 kWhMayJun: 115 kWhJunJul: 113 kWhJulAug: 97 kWhAugSep: 66 kWhSepOct: 41 kWhOctNov: 13 kWhNovDec: 2 kWhDec0 °CJan: −2.3 °CFeb: −2.1 °CMar: 0.4 °CApr: 5.0 °CMay: 9.4 °CJun: 13.2 °CJul: 15.6 °CAug: 14.4 °CSep: 10.7 °COct: 5.6 °CNov: 1.1 °CDec: −1.7 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Frequently asked questions

What is the population of Indre Fosen?

Indre Fosen has 10,006 residents (2026), ranking 112 of 357 municipalities.

How big is Indre Fosen?

Indre Fosen covers 1,030.0 km², with a density of 10 people per km².

Is the population of Indre Fosen growing?

Between 2016 and 2026, the population of Indre Fosen went from 10,175 to 10,006, a change of −1.7%.

Where is Indre Fosen?

Indre Fosen is in Trøndelag - Trööndelage. Latitude 63.677, longitude 10.610.

Businesses registered in the last 12 months per 1,000 inhabitants: what is the figure for Indre Fosen?

In Indre Fosen, “Businesses registered in the last 12 months per 1,000 inhabitants” stands at 8.4 per 1,000 inh. (2026), ranking 319 of 351 municipalities; the national median is 11.9 per 1,000 inh..

Share of population with immigrant background: what is the figure for Indre Fosen?

In Indre Fosen, “Share of population with immigrant background” stands at 11.5% (2025), ranking 301 of 351 municipalities; the national median is 15.2%.

How much electricity does a solar panel produce in Indre Fosen?

In Indre Fosen, a 1 kWp south-facing system tilted at 45° produces about 784 kWh a year.

Which municipalities border Indre Fosen?

The nearest to Indre Fosen are Frosta (11 km), Trondheim - Tråante (30 km), Malvik (35 km), Levanger - Levangke (35 km), Åfjord (35 km).