Castricum Population 2026
Castricum has a population of 35,256, making it the #91 biggest city in 🇳🇱 Netherlands, located in North Holland. Roughly 0.2% of Netherlands's population lives here. It is about 25× smaller than Rotterdam, the country's biggest city.
Population (city proper)
35,256
Rank in Netherlands
#91
Coordinates
52.55°N, 4.67°E
~3 m elevation · Europe/Amsterdam
Distance to capital (Amsterdam)
24 km
15 miles, straight line
Other big cities in North Holland
Cities near Castricum
- Heemskerk39,191 people · ~4 km away
- Heiloo24,144 people · ~6 km away
- Beverwijk37,585 people · ~7 km away
- Velsen-Zuid67,758 people · ~10 km away
- Assendelft24,230 people · ~10 km away
- IJmuiden31,925 people · ~11 km away
FAQ
What is the population of Castricum?
Castricum has a population of 35,256 (city proper, latest official figure via GeoNames), making it the #91 biggest city in Netherlands.
What region is Castricum in?
Castricum is located in North Holland, Netherlands.
Is Castricum the capital of Netherlands?
No, the capital of Netherlands is Amsterdam, about 24 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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