Postal Codes

4221 Postcode

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English Nederlands

4-digit postcode 4221 covers Hoogblokland, South 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
1,445
Households
585
Average property value
€469,000
Owner-occupied
80%
Average household size
2.5
Urbanity
Not urban

Where 4221 is

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

People
Residents1,445
Men750
Women695
Under 15225
15 to 25165
25 to 45320
45 to 65415
65 and over320
Born abroad, in Europe0%
Born abroad, outside Europe0%
Households
Households585
Average size2.5
One-person households24.8%145
Couples without children225
One-parent families3.4%20
Two-parent families200
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Housing
Homes595
Average property value (WOZ)€469,000
Owner-occupied80%
Rented20%
Housing-association homes80
Flats and shared buildings4.2%25
Built before 194516.8%100
Unoccupied3.4%20
Area
Addresses per square kilometre151
UrbanityNot urban
Residents on unemployment, disability or income support4.2%60
Against the national median
Residents1,445Average property value€469,000Average household size2.5One-person households24.8%

The tick is the national median.

Housing
Owner-occupied80%
Rented20%
Flats and shared buildings4.2%
Built before 194516.8%
Unoccupied3.4%
Households
One-person households24.8%
One-parent families3.4%
Residents on unemployment, disability or income support4.2%
Age bands
Under 1515.5709%
15 to 2511.4187%
25 to 4522.1453%
45 to 6528.7197%
65 and over22.1453%

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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