Municipality · Agder

Sirdal: population and statistics

Sirdal has a population of 1,911 (2026) across 1,373.0 km², or 1.4 people per km². It ranks 288 of 357 municipalities by population. Its population is growing: +4.3% between 2016 and 2026.

  • 1,911 residents
  • 1,373.0 km²
  • 1 people/km²
  • 723 m
Location map: Sirdal

Key points

Among the 25 municipalities in Agder, Sirdal ranks No. 18 by population.

Employed persons as a percentage of the population aged 15–74: 75.4% in Sirdal, compared with an average of 65.2% in Agder and 68.2% nationally.

Cabins and holiday homes per 1,000 inhabitants: 2,315 per 1,000 inh. in Sirdal, compared with an average of 123.1 per 1,000 inh. in Agder and 80.4 per 1,000 inh. nationally.

Largest business sector: Agriculture, forestry and fishing, with 21.5% of the area's business sites.

A 1 kWp solar panel tilted at 36° generates about 799 kWh a year here.

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Sirdal in numbers

Population
1,911
ranked 288 of 357 +4.3%
Population density
1people/km²
ranked 313 of 351
Area
1,373km²
ranked 59 of 357
Elevation
723m
ranked 40 of 357
Employed persons as a percentage of the population aged 15–74
75.4%
ranked 1 of 351
Cabins and holiday homes per 1,000 inhabitants
2,315per 1,000 inh.
ranked 4 of 351
Establishments per 1,000 inhabitants
230.2per 1,000 inh.
ranked 13 of 351
Passenger cars in own-account transport per 1,000 inhabitants
641per 1,000 inh.
ranked 58 of 351

All indicators for Sirdal

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

IndicatorSirdalAgderNationalPositionRank
Net migration per 1,000 inhabitants (2025)1.0 per 1,000 inh.3.8 per 1,000 inh.4.1 per 1,000 inh.ranked 237 of 351
Share of inhabitants aged 65 and over (2026)20.4%19.6%23.7%ranked 274 of 351
Share of inhabitants under 18 (2026)21.2%20.5%18.7%ranked 60 of 351

Housing

IndicatorSirdalAgderNationalPositionRank
Total dwellings (occupied and unoccupied) (2026)1,206159,4322,760,619ranked 283 of 357
Share of dwellings built before 1946 (2026)19.6%15.9%16.4%ranked 124 of 351
Share of dwellings built after 2000 (2026)22.0%31.1%21.8%ranked 171 of 351
Share of dwellings in detached, semi-detached and terraced houses (2026)82.9%77.3%89.9%ranked 260 of 351
Share of dwellings in blocks of flats (2026)3.1%16.1%4.4%ranked 209 of 351
Cabins and holiday homes per 1,000 inhabitants (2026)2,315 per 1,000 inh.123.1 per 1,000 inh.153.1 per 1,000 inh.ranked 4 of 351

Economy

IndicatorSirdalAgderNationalPositionRank
Establishments (2026)44038,330656,492ranked 239 of 357
Establishments per 1,000 inhabitants (2026)230.2 per 1,000 inh.118.3 per 1,000 inh.129.8 per 1,000 inh.ranked 13 of 351
Median income before tax (gross income) (2024)542,000 NOK–500,900 NOKranked 43 of 351
Active businesses in the Central Coordinating Register (2026)505 per 1,000 inh.51,828 per 1,000 inh.915,761 per 1,000 inh.ranked 248 of 357
Active businesses in the register per 1,000 inhabitants (2026)264.3 per 1,000 inh.160.0 per 1,000 inh.167.1 per 1,000 inh.ranked 23 of 351
Businesses registered in the last 12 months per 1,000 inhabitants (2026)15.7 per 1,000 inh.13.3 per 1,000 inh.11.9 per 1,000 inh.ranked 41 of 351

Employment

IndicatorSirdalAgderNationalPositionRank
Employed persons as a percentage of the population aged 15–74 (2025)75.4%65.2%67.5%ranked 1 of 351
Registered unemployed as a share of the population aged 15–74 (2025)0.2%1.1%0.9%ranked 346 of 351

Tourism

IndicatorSirdalAgderNationalPositionRank
Overnight stays at hotels, campsites and cabin villages (2025)53,022–112,411ranked 72 of 103

Transport

IndicatorSirdalAgderNationalPositionRank
Passenger cars in own-account transport per 1,000 inhabitants (2025)641 per 1,000 inh.527 per 1,000 inh.591 per 1,000 inh.ranked 58 of 351
Share of electric cars among passenger cars in own-account transport (2025)19.5%29.3%19.7%ranked 180 of 351

Society

IndicatorSirdalAgderNationalPositionRank
Share of population with immigrant background (2025)14.7%17.9%15.2%ranked 198 of 351

Health

IndicatorSirdalAgderNationalPositionRank
Life expectancy at birth (average of women and men) (2025)82.8 years82.882.8ranked 151 of 351

Education

IndicatorSirdalAgderNationalPositionRank
Share with university or university college education (2025)30.0%33.9%27.5%ranked 112 of 351

Population of Sirdal over time

1,7511,8111,8721,9322016: 1,8322017: 1,8362018: 1,8422019: 1,8392020: 1,8222021: 1,7722022: 1,8102023: 1,8372024: 1,8732025: 1,9022026: 1,911201620182020202220242026

Sirdal had 1,832 residents in 2016 and 1,911 in 2026.

YearPopulation
20211,772
20221,810
20231,837
20241,873
20251,902
20261,911

Where is Sirdal?

Business sectors: Sirdal

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

Sunshine and temperatures: Sirdal

Annual solar output
799kWh
for 1 kWp tilted at 36°
Warmest month
12.2°C
July
Coldest month
−4.3°C
February
Most productive month
131kWh
May

Jan: 2 kWhJanFeb: 14 kWhFebMar: 85 kWhMarApr: 128 kWhAprMay: 131 kWhMayJun: 126 kWhJunJul: 111 kWhJulAug: 98 kWhAugSep: 65 kWhSepOct: 32 kWhOctNov: 4 kWhNovDec: 1 kWhDec0 °CJan: −4.2 °CFeb: −4.3 °CMar: −2.4 °CApr: 1.0 °CMay: 5.5 °CJun: 10.4 °CJul: 12.2 °CAug: 11.2 °CSep: 8.3 °COct: 4.0 °CNov: −0.1 °CDec: −3.0 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Frequently asked questions

What is the population of Sirdal?

Sirdal has 1,911 residents (2026), ranking 288 of 357 municipalities.

How big is Sirdal?

Sirdal covers 1,373.0 km², with a density of 1 people per km².

Is the population of Sirdal growing?

Between 2016 and 2026, the population of Sirdal went from 1,832 to 1,911, a change of +4.3%.

Where is Sirdal?

Sirdal is in Agder. Latitude 58.862, longitude 6.813.

Employed persons as a percentage of the population aged 15–74: what is the figure for Sirdal?

In Sirdal, “Employed persons as a percentage of the population aged 15–74” stands at 75.4% (2025), ranking 1 of 351 municipalities; the national median is 67.5%.

Cabins and holiday homes per 1,000 inhabitants: what is the figure for Sirdal?

In Sirdal, “Cabins and holiday homes per 1,000 inhabitants” stands at 2,315 per 1,000 inh. (2026), ranking 4 of 351 municipalities; the national median is 153.1 per 1,000 inh..

How much electricity does a solar panel produce in Sirdal?

In Sirdal, a 1 kWp south-facing system tilted at 36° produces about 799 kWh a year.

Which municipalities border Sirdal?

The nearest to Sirdal are Åseral (38 km), Lund (43 km), Hjelmeland (44 km), Bjerkreim (45 km), Gjesdal (47 km).