Castricum: population and statistics
Castricum has a population of 37,077 (2026) across 49.5 km², or 749 people per km². It ranks 148 of 342 municipalities by population. Its population is growing: +7.1% between 2016 and 2026.
- 37,077 residents
- 49.5 km²
- 749 people/km²
- 4 m
Key points
Among the 44 municipalities in North Holland, Castricum ranks No. 21 by population.
Owner-occupied dwellings: 75.3% in Castricum, compared with an average of 51.8% in North Holland and 58.1% nationally.
Average distance to the nearest school: 0.6 km in Castricum, compared with an average of 0.7 km in North Holland and 0.8 km nationally.
Largest business sector: Professional, scientific and technical, with 24.3% of the area's business sites.
A 1 kWp solar panel tilted at 40° generates about 1,078 kWh a year here.
Castricum in numbers
Where is Castricum?
Neighbouring municipalities
- Uitgeest4.3 km · 13,489
- Heemskerk4.6 km · 39,529
- Heiloo6.2 km · 24,613
- Beverwijk7.3 km · 43,052
- Velsen9.9 km · 70,361
- Alkmaar10 km · 113,196
- Zaanstad12 km · 165,201
- Bergen14 km · 29,653
All municipalities in North Holland
All municipalities in IJmond (COROP region)
Municipalities of similar size
Population of Castricum over time
Castricum had 34,604 residents in 2016 and 37,077 in 2026.
| Year | Population |
|---|---|
| 2021 | 36,086 |
| 2022 | 36,263 |
| 2023 | 36,345 |
| 2024 | 36,366 |
| 2025 | 36,618 |
| 2026 | 37,077 |
Did you know?
- “Owner-occupied dwellings”: higher than in 95% of municipalities.
- “Average distance to the nearest school”: lower than in 94% of municipalities.
- Its area is roughly equal to 6,937 football pitches.
- The nearest municipality is Uitgeest, 4.3 km away.
- The nearest more populous municipality is Velsen (70,361 residents), 9.9 km away.
- A 4 kWp rooftop solar system here would generate about 4,312 kWh a year, roughly what an average household uses.
All indicators for Castricum
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 | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2026) | 27.1% | 19.4% | 23.6% | ranked 51 of 342 | |
| Share of residents under 15 (2026) | 14.5% | 14.5% | 14.8% | ranked 197 of 342 | |
| Natural increase per 1,000 inhabitants (2024) | −3.6 ‰ | 0.7 ‰ | −1.3 ‰ | ranked 261 of 342 | |
| Net migration per 1,000 inhabitants (domestic and international) (2024) | 10.5 ‰ | 4.6 ‰ | 6.5 ‰ | ranked 74 of 342 |
Housing
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Housing stock (2025) | 16,672 dwellings | 1,420,067 | 8,274,510 | ranked 147 of 342 | |
| Dwellings built before 1946 (2024) | 10.9% | 25.0% | 13.1% | ranked 213 of 338 | |
| Dwellings built since 2000 (2024) | 18.4% | 20.8% | 19.9% | ranked 201 of 338 | |
| Single-family dwellings (2024) | 76.3% | 50.2% | 79.5% | ranked 208 of 342 | |
| Owner-occupied dwellings (2024) | 75.3% | 51.8% | 66.7% | ranked 17 of 342 | |
| Housing association dwellings (2024) | 15.8% | 30.5% | 23.7% | ranked 312 of 340 | |
| Average official property value (WOZ) of dwellings (2026) | 548,000 € | 524,447 € | 438,000 € | ranked 42 of 342 | |
| New dwellings in the last five years per 1,000 inhabitants (2025) | 16.5 ‰ | 22.5 ‰ | 17.4 ‰ | ranked 190 of 341 |
Energy
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average natural gas use per dwelling (2025) | 920 m³ | 746 m³ | 900 m³ | ranked 138 of 342 | |
| Average electricity supplied per dwelling (2025) | 2,590 kWh | 2,350 kWh | 2,810 kWh | ranked 258 of 342 | |
| Dwellings without natural gas (2025) | 5% | 13% | 7% | ranked 236 of 342 | |
| Dwellings with solar power (2025) | 54% | 28% | 46% | ranked 54 of 342 | |
| Dwellings mainly heated by electricity (2025) | 11% | 8% | 12% | ranked 178 of 342 | |
| Area of solar parks (2022) | 0 ha | 191 ha | 3,475 ha | ranked 159 of 341 | |
| Dwellings with an individual central heating boiler (2022) | 90.0% | 80.6% | 90.3% | ranked 178 of 341 | |
| Dwellings with district heating (2022) | 0.2% | 8.8% | 0.1% | ranked 143 of 341 | |
| Average electricity fed back to the grid per dwelling (2025) | 1,180 kWh | 600 kWh | 1,245 kWh | ranked 192 of 342 | |
| Installed solar panel capacity per inhabitant (2025) | 1,065 Wp | 890 Wp | 1,707 Wp | ranked 273 of 342 | |
| Solar power installations per 1,000 inhabitants (2025) | 265.4 ‰ | 137.7 ‰ | 222.7 ‰ | ranked 55 of 342 |
Economy
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average disposable income per household (2024) | 71,000 € | 65,353 € | 63,450 € | ranked 65 of 336 | |
| Business establishments (2026) | 5,315 | 533,195 | 2,612,530 | ranked 141 of 342 | |
| Business establishments per 1,000 inhabitants (2026) | 143.4 ‰ | 177.2 ‰ | 135.6 ‰ | ranked 120 of 342 |
Employment
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Unemployment benefits (WW), % of residents 15–65 (2026) | 1.4% | 1.7% | 1.5% | ranked 185 of 342 | |
| Social assistance (below pension age), % of residents 15–65 (2026) | 1.8% | 3.5% | 2.3% | ranked 258 of 342 |
Transport
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Privately owned passenger cars per 1,000 inhabitants (2025) | 481 ‰ | 385 ‰ | 508 ‰ | ranked 229 of 342 | |
| Average distance to the nearest railway station (2025) | 2.7 km | 3.7 km | 4.6 km | ranked 243 of 342 |
Society
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average household size (2025) | 2.2 persons | 2.0 | 2.2 | ranked 134 of 342 | |
| Single-person households (2025) | 34.5% | 43.0% | 33.3% | ranked 138 of 342 | |
| Registered offences per 1,000 inhabitants (2025) | 30.7 ‰ | 56.3 ‰ | 30.9 ‰ | ranked 174 of 338 | |
| Theft, embezzlement and burglary per 1,000 inhabitants (2025) | 14.1 ‰ | 27.4 ‰ | 11.7 ‰ | ranked 109 of 320 | |
| Average distance to a large supermarket (2025) | 0.8 km | 0.8 km | 1.0 km | ranked 242 of 342 |
Environment
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Household waste per inhabitant (2024) | 457 kg | 445 kg | 468 kg | ranked 197 of 340 | |
| Share of built-up and paved land (excluding water) (2022) | 18.0% | 44.6% | 16.8% | ranked 154 of 341 | |
| Share of agricultural land (excluding water) (2022) | 43.6% | 33.6% | 58.8% | ranked 239 of 341 | |
| Share of natural land, including forest (excluding water) (2022) | 32.9% | 11.0% | 11.7% | ranked 48 of 341 |
Health
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average distance to the nearest GP practice (2025) | 0.8 km | 0.9 km | 1.2 km | ranked 288 of 342 |
Education
| Indicator | Castricum | North Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Residents with a higher professional or university degree (2024) | 39.5% | 39.0% | 28.5% | ranked 49 of 341 | |
| Average distance to the nearest school (2025) | 0.6 km | 0.7 km | 0.8 km | ranked 304 of 342 |
Castricum: indicators over time
Indicators available for several years. Hover over or tap a chart to read the value for each year.
Dwellings with an individual central heating boiler
90.0% in 2022, compared with 91.4% in 2017
Dwellings with district heating
0.2% in 2022, compared with 0.0% in 2017
Installed solar panel capacity per inhabitant
1,065 Wp in 2025, compared with 350 Wp in 2019
Solar power installations per 1,000 inhabitants
265.4 ‰ in 2025, compared with 104.8 ‰ in 2019
Registered offences per 1,000 inhabitants
30.7 ‰ in 2025, compared with 29.8 ‰ in 2019
Theft, embezzlement and burglary per 1,000 inhabitants
14.1 ‰ in 2025, compared with 11.9 ‰ in 2019
Vandalism and damage per 1,000 inhabitants
2.9 ‰ in 2024, compared with 3.6 ‰ in 2019
Violent and sexual offences per 1,000 inhabitants
2.8 ‰ in 2024, compared with 2.8 ‰ in 2019
Sunshine and temperatures: Castricum
| Month | Sunshine | Temperature |
|---|---|---|
| January | 22 | 4.7 |
| February | 39 | 4.4 |
| March | 85 | 6.2 |
| April | 134 | 9.3 |
| May | 166 | 12.7 |
| June | 173 | 15.9 |
| July | 169 | 17.8 |
| August | 140 | 17.8 |
| September | 95 | 15.8 |
| October | 54 | 12.6 |
| November | 26 | 8.5 |
| December | 17 | 5.9 |
Business sectors: Castricum
Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical24.3% ×1.2
- Wholesale and retail trade11.4% ×0.9
- Health and social work10.5% ×1.0
- Construction10.3% ×1.0
- Education8.3% ×1.4
- Other service activities5.9% ×1.1
- Information and communication5.2% ×1.0
- Arts, entertainment and recreation5.2% ×0.9
Frequently asked questions
What is the population of Castricum?
Castricum has 37,077 residents (2026), ranking 148 of 342 municipalities.
How big is Castricum?
Castricum covers 49.5 km², with a density of 749 people per km².
Is the population of Castricum growing?
Between 2016 and 2026, the population of Castricum went from 34,604 to 37,077, a change of +7.1%.
Where is Castricum?
Castricum is in North Holland. It belongs to IJmond (COROP region). Latitude 52.552, longitude 4.658.
Owner-occupied dwellings: what is the figure for Castricum?
In Castricum, “Owner-occupied dwellings” stands at 75.3% (2024), ranking 17 of 342 municipalities; the national median is 66.7%.
Average distance to the nearest school: what is the figure for Castricum?
In Castricum, “Average distance to the nearest school” stands at 0.6 km (2025), ranking 304 of 342 municipalities; the national median is 0.8 km.
How much electricity does a solar panel produce in Castricum?
In Castricum, a 1 kWp south-facing system tilted at 40° produces about 1,078 kWh a year.
Which municipalities border Castricum?
The nearest to Castricum are Uitgeest (4.3 km), Heemskerk (4.6 km), Heiloo (6.2 km), Beverwijk (7.3 km), Velsen (9.9 km).