Postal Codes

1145 Postcode

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English Nederlands

4-digit postcode 1145 covers Katwoude, North Holland. Dutch postcodes are four digits and two letters. The four digits identify a delivery area, and it is the level Statistics Netherlands publishes against, so the figures below describe this postcode itself rather than the town around it.

Residents
385
Households
115
Average property value
€753,000
Owner-occupied
80%
Average household size
2.8
Urbanity
Not urban

Where 1145 is

Katwoude, North Holland โ€” the point recorded for this postal code. It marks the centre of the code, not its boundary.

People
Residents385
Men200
Women185
Under 1565
15 to 2555
25 to 4590
45 to 65100
65 and over70
Born abroad, in Europe0%
Born abroad, outside Europe20%
Households
Households115
Average size2.8
One-person households17.4%20
Couples without children40
Two-parent families45
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Housing
Homes110
Average property value (WOZ)€753,000
Owner-occupied80%
Rented20%
Housing-association homes10
Built before 194527.3%30
Unoccupied9.1%10
Area
Addresses per square kilometre152
UrbanityNot urban
Residents on unemployment, disability or income support3.9%15
Against the national median
Residents385Average property value€753,000Average household size2.8One-person households17.4%

The tick is the national median.

Housing
Owner-occupied80%
Rented20%
Built before 194527.3%
Unoccupied9.1%
Households
One-person households17.4%
Residents on unemployment, disability or income support3.9%
Age bands
Under 1517.1053%
15 to 2514.4737%
25 to 4523.6842%
45 to 6526.3158%
65 and over18.4211%

Figures from Statistics Netherlands (CBS), key figures per postcode, 1 January 2025. CBS withholds figures for areas with too few residents to publish safely, so a missing value here means withheld, not zero.

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