Municipality · Agder

Birkenes: population and statistics

Birkenes has a population of 5,447 (2026) across 596.0 km², or 9.1 people per km². It ranks 179 of 357 municipalities by population. Its population is growing: +5.8% between 2016 and 2026.

  • 5,447 residents
  • 596.0 km²
  • 9 people/km²
  • 287 m
Location map: Birkenes

Key points

Among the 25 municipalities in Agder, Birkenes ranks No. 14 by population.

Share of inhabitants under 18: 23.4% in Birkenes, compared with an average of 20.5% in Agder and 19.6% nationally.

Share of dwellings built after 2000: 33.0% in Birkenes, compared with an average of 31.1% in Agder and 27.0% nationally.

Largest business sector: Agriculture, forestry and fishing, with 28.7% of the area's business sites.

A 1 kWp solar panel tilted at 44° generates about 981 kWh a year here.

Did you know?

Birkenes in numbers

Population
5,447
ranked 179 of 357 +5.8%
Population density
9people/km²
ranked 168 of 351
Area
596km²
ranked 183 of 357
Elevation
287m
ranked 125 of 357
Share of inhabitants under 18
23.4%
ranked 12 of 351
Share of dwellings built after 2000
33.0%
ranked 54 of 351
Passenger cars in own-account transport per 1,000 inhabitants
551per 1,000 inh.
ranked 264 of 351
Registered unemployed as a share of the population aged 15–74
1.2%
ranked 72 of 351

All indicators for Birkenes

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

IndicatorBirkenesAgderNationalPositionRank
Net migration per 1,000 inhabitants (2025)2.8 per 1,000 inh.3.8 per 1,000 inh.4.1 per 1,000 inh.ranked 200 of 351
Share of inhabitants aged 65 and over (2026)17.4%19.6%23.7%ranked 320 of 351
Share of inhabitants under 18 (2026)23.4%20.5%18.7%ranked 12 of 351

Housing

IndicatorBirkenesAgderNationalPositionRank
Total dwellings (occupied and unoccupied) (2026)2,447159,4322,760,619ranked 197 of 357
Share of dwellings built before 1946 (2026)16.6%15.9%16.4%ranked 171 of 351
Share of dwellings built after 2000 (2026)33.0%31.1%21.8%ranked 54 of 351
Share of dwellings in detached, semi-detached and terraced houses (2026)86.1%77.3%89.9%ranked 231 of 351
Share of dwellings in blocks of flats (2026)6.9%16.1%4.4%ranked 122 of 351
Cabins and holiday homes per 1,000 inhabitants (2026)149.3 per 1,000 inh.123.1 per 1,000 inh.153.1 per 1,000 inh.ranked 180 of 351

Economy

IndicatorBirkenesAgderNationalPositionRank
Establishments (2026)66838,330656,492ranked 186 of 357
Establishments per 1,000 inhabitants (2026)122.6 per 1,000 inh.118.3 per 1,000 inh.129.8 per 1,000 inh.ranked 198 of 351
Median income before tax (gross income) (2024)495,200 NOK–500,900 NOKranked 203 of 351
Active businesses in the Central Coordinating Register (2026)920 per 1,000 inh.51,828 per 1,000 inh.915,761 per 1,000 inh.ranked 178 of 357
Active businesses in the register per 1,000 inhabitants (2026)168.9 per 1,000 inh.160.0 per 1,000 inh.167.1 per 1,000 inh.ranked 168 of 351
Businesses registered in the last 12 months per 1,000 inhabitants (2026)12.9 per 1,000 inh.13.3 per 1,000 inh.11.9 per 1,000 inh.ranked 121 of 351

Employment

IndicatorBirkenesAgderNationalPositionRank
Employed persons as a percentage of the population aged 15–74 (2025)68.0%65.2%67.5%ranked 157 of 351
Registered unemployed as a share of the population aged 15–74 (2025)1.2%1.1%0.9%ranked 72 of 351

Transport

IndicatorBirkenesAgderNationalPositionRank
Passenger cars in own-account transport per 1,000 inhabitants (2025)551 per 1,000 inh.527 per 1,000 inh.591 per 1,000 inh.ranked 264 of 351
Share of electric cars among passenger cars in own-account transport (2025)23.4%29.3%19.7%ranked 126 of 351

Society

IndicatorBirkenesAgderNationalPositionRank
Share of population with immigrant background (2025)15.3%17.9%15.2%ranked 174 of 351

Health

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

Education

IndicatorBirkenesAgderNationalPositionRank
Share with university or university college education (2025)25.8%33.9%27.5%ranked 227 of 351

Population of Birkenes over time

5,0975,2415,3865,5302016: 5,1472017: 5,1782018: 5,1872019: 5,2122020: 5,2262021: 5,2742022: 5,3422023: 5,3902024: 5,4802025: 5,4132026: 5,447201620182020202220242026

Birkenes had 5,147 residents in 2016 and 5,447 in 2026.

YearPopulation
20215,274
20225,342
20235,390
20245,480
20255,413
20265,447

Where is Birkenes?

Business sectors: Birkenes

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

Sunshine and temperatures: Birkenes

Annual solar output
981kWh
for 1 kWp tilted at 44°
Warmest month
16.2°C
July
Coldest month
−0.8°C
January
Most productive month
136kWh
June

Jan: 23 kWhJanFeb: 45 kWhFebMar: 93 kWhMarApr: 124 kWhAprMay: 132 kWhMayJun: 136 kWhJunJul: 129 kWhJulAug: 113 kWhAugSep: 84 kWhSepOct: 55 kWhOctNov: 29 kWhNovDec: 17 kWhDec0 °CJan: −0.8 °CFeb: −0.8 °CMar: 1.3 °CApr: 5.6 °CMay: 10.4 °CJun: 14.6 °CJul: 16.2 °CAug: 14.8 °CSep: 11.9 °COct: 7.4 °CNov: 3.4 °CDec: 0.2 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

Frequently asked questions

What is the population of Birkenes?

Birkenes has 5,447 residents (2026), ranking 179 of 357 municipalities.

How big is Birkenes?

Birkenes covers 596.0 km², with a density of 9 people per km².

Is the population of Birkenes growing?

Between 2016 and 2026, the population of Birkenes went from 5,147 to 5,447, a change of +5.8%.

Where is Birkenes?

Birkenes is in Agder. Latitude 58.449, longitude 8.233.

Share of inhabitants under 18: what is the figure for Birkenes?

In Birkenes, “Share of inhabitants under 18” stands at 23.4% (2026), ranking 12 of 351 municipalities; the national median is 18.7%.

Share of dwellings built after 2000: what is the figure for Birkenes?

In Birkenes, “Share of dwellings built after 2000” stands at 33.0% (2026), ranking 54 of 351 municipalities; the national median is 21.8%.

How much electricity does a solar panel produce in Birkenes?

In Birkenes, a 1 kWp south-facing system tilted at 44° produces about 981 kWh a year.

Which municipalities border Birkenes?

The nearest to Birkenes are Iveland (16 km), Grimstad (21 km), Lillesand (23 km), Froland (25 km), Vennesla (27 km).