Aremark: population and statistics
Aremark has a population of 1,354 (2026) across 282.0 km², or 4.8 people per km². It ranks 311 of 357 municipalities by population. Its population is falling: −3.6% between 2016 and 2026.
- 1,354 residents
- 282.0 km²
- 5 people/km²
- 119 m
Key points
Among the 12 municipalities in Østfold, Aremark ranks No. 12 by population.
Share of dwellings built before 1946: 31.4% in Aremark, compared with an average of 17.6% in Østfold and 15.9% nationally.
Life expectancy at birth (average of women and men): 82.0 years in Aremark, compared with an average of 82.0 years in Østfold and 83.1 years nationally.
Largest business sector: Agriculture, forestry and fishing, with 39.1% of the area's business sites.
A 1 kWp solar panel tilted at 44° generates about 940 kWh a year here.
Did you know?
- Number 1 in Østfold for “Share of dwellings built before 1946”.
- Number 1 in Østfold for “Share of dwellings in detached, semi-detached and terraced houses”.
- “Share of dwellings built before 1946”: higher than in 98% of municipalities.
- “Life expectancy at birth (average of women and men)”: lower than in 95% of municipalities.
- “Share of population with immigrant background”: lower than in 93% of municipalities.
- Its area is roughly equal to 39,496 football pitches.
- Its population density is 3.9 times lower than the national average.
Aremark in numbers
All indicators for Aremark
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
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Net migration per 1,000 inhabitants (2025) | 11.1 per 1,000 inh. | 7.2 per 1,000 inh. | 4.1 per 1,000 inh. | ranked 63 of 351 | |
| Share of inhabitants aged 65 and over (2026) | 26.8% | 21.3% | 23.7% | ranked 82 of 351 | |
| Share of inhabitants under 18 (2026) | 17.4% | 19.1% | 18.7% | ranked 250 of 351 |
Housing
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Total dwellings (occupied and unoccupied) (2026) | 755 | 149,193 | 2,760,619 | ranked 324 of 357 | |
| Share of dwellings built before 1946 (2026) | 31.4% | 17.6% | 16.4% | ranked 7 of 351 | |
| Share of dwellings built after 2000 (2026) | 11.9% | 26.2% | 21.8% | ranked 312 of 351 | |
| Share of dwellings in detached, semi-detached and terraced houses (2026) | 96.0% | 76.1% | 89.9% | ranked 22 of 351 | |
| Share of dwellings in blocks of flats (2026) | 0.7% | 19.4% | 4.4% | ranked 302 of 351 | |
| Cabins and holiday homes per 1,000 inhabitants (2026) | 526.6 per 1,000 inh. | 62.7 per 1,000 inh. | 153.1 per 1,000 inh. | ranked 50 of 351 |
Economy
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Establishments (2026) | 240 | 33,434 | 656,492 | ranked 314 of 357 | |
| Establishments per 1,000 inhabitants (2026) | 177.3 per 1,000 inh. | 105.6 per 1,000 inh. | 129.8 per 1,000 inh. | ranked 81 of 351 | |
| Median income before tax (gross income) (2024) | 481,500 NOK | – | 500,900 NOK | ranked 266 of 351 | |
| Active businesses in the Central Coordinating Register (2026) | 294 per 1,000 inh. | 45,332 per 1,000 inh. | 915,761 per 1,000 inh. | ranked 309 of 357 | |
| Active businesses in the register per 1,000 inhabitants (2026) | 217.1 per 1,000 inh. | 143.3 per 1,000 inh. | 167.1 per 1,000 inh. | ranked 75 of 351 | |
| Businesses registered in the last 12 months per 1,000 inhabitants (2026) | 8.1 per 1,000 inh. | 11.6 per 1,000 inh. | 11.9 per 1,000 inh. | ranked 323 of 351 |
Employment
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Employed persons as a percentage of the population aged 15–74 (2025) | 64.0% | 62.6% | 67.5% | ranked 281 of 351 | |
| Registered unemployed as a share of the population aged 15–74 (2025) | 1.0% | 1.5% | 0.9% | ranked 129 of 351 |
Tourism
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays at hotels, campsites and cabin villages (2025) | 40,876 | – | 112,411 | ranked 79 of 103 |
Transport
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Passenger cars in own-account transport per 1,000 inhabitants (2025) | 669 per 1,000 inh. | 552 per 1,000 inh. | 591 per 1,000 inh. | ranked 28 of 351 | |
| Share of electric cars among passenger cars in own-account transport (2025) | 19.0% | 30.5% | 19.7% | ranked 190 of 351 |
Society
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Share of population with immigrant background (2025) | 10.0% | 22.8% | 15.2% | ranked 327 of 351 |
Health
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Life expectancy at birth (average of women and men) (2025) | 82.0 years | 82.0 | 82.8 | ranked 322 of 351 |
Education
| Indicator | Aremark | Østfold | National | Position | Rank |
|---|---|---|---|---|---|
| Share with university or university college education (2025) | 24.0% | 30.4% | 27.5% | ranked 281 of 351 |
Population of Aremark over time
Aremark had 1,404 residents in 2016 and 1,354 in 2026.
| Year | Population |
|---|---|
| 2021 | 1,325 |
| 2022 | 1,315 |
| 2023 | 1,329 |
| 2024 | 1,347 |
| 2025 | 1,346 |
| 2026 | 1,354 |
Where is Aremark?
Business sectors: Aremark
Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than nationally.
- Agriculture, forestry and fishing39.1% ×3.8
- Construction11.3% ×1.1
- Real estate10.5% ×1.0
- Wholesale and retail trade6.3% ×0.6
- Health and social work5.5% ×0.6
- Manufacturing3.8% ×1.1
- Transport and storage3.8% ×0.8
- Education2.9% ×0.8
Sunshine and temperatures: Aremark
Frequently asked questions
What is the population of Aremark?
Aremark has 1,354 residents (2026), ranking 311 of 357 municipalities.
How big is Aremark?
Aremark covers 282.0 km², with a density of 5 people per km².
Is the population of Aremark growing?
Between 2016 and 2026, the population of Aremark went from 1,404 to 1,354, a change of −3.6%.
Where is Aremark?
Aremark is in Østfold. Latitude 59.223, longitude 11.696.
Share of dwellings built before 1946: what is the figure for Aremark?
In Aremark, “Share of dwellings built before 1946” stands at 31.4% (2026), ranking 7 of 351 municipalities; the national median is 16.4%.
Life expectancy at birth (average of women and men): what is the figure for Aremark?
In Aremark, “Life expectancy at birth (average of women and men)” stands at 82.0 years (2025), ranking 322 of 351 municipalities; the national median is 82.8 years.
How much electricity does a solar panel produce in Aremark?
In Aremark, a 1 kWp south-facing system tilted at 44° produces about 940 kWh a year.
Which municipalities border Aremark?
The nearest to Aremark are Halden (16 km), Rakkestad (23 km), Sarpsborg (29 km), Marker (32 km), Skiptvet (42 km).