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Zwammerdam

Zwammerdam is one of 16 districts in Alphen aan den Rijn, with 1,910 residents and 628 homes in 3 neighbourhoods. The average WOZ value of €418,000 is 5% above the municipal average. On average 42% of the land within 500 metres of a home is green space.

District 048471 · 3 neighbourhoods · 42 postcodes · Updated 24 October 2026
1,910residents1 January 2025
€418,000average WOZ home valueAlphen aan den Rijn: €397,000
42%green within 500 mAlphen aan den Rijn: 24%
16services within 15 minutesmedian postcode
Zwammerdam in Alphen aan den RijnPostcodes in Zwammerdam highlighted; the rest of Alphen aan den Rijn in grey
Map of Alphen aan den Rijn with Zwammerdam highlighted

Neighbourhoods of Zwammerdam.

Colour shows where each neighbourhood sits among all 97 neighbourhoods in Alphen aan den Rijn.

NeighbourhoodResidentsWOZ valueOwner-occupiedSingle-familyAged 65+Green 500 mServices 15 min
Zwammerdam Dorp1,065€426k58%85%19%43%16
Hooge Burch460–––22%47%15
De Burcht385€401k68%97%23%41%16

Sources: Statistics Netherlands (CBS), Key figures for districts and neighbourhoods 2025 (CC BY 4.0) · © OpenStreetMap contributors (ODbL)

Homes.

The average WOZ value of a home in Zwammerdam is €418,000, against €397,000 in Alphen aan den Rijn.

628homes1 January 2025
88%single-family houses12% flats and apartments
60%owner-occupied30% housing association
4%built in the last ten years4% unoccupied
890 m³gas per home per yearAlphen aan den Rijn: 780 m³
2,830 kWhelectricity per home per yearAlphen aan den Rijn: 2,600 kWh
5%homes off the gas gridAlphen aan den Rijn: 5%
50%homes with solar panelsAlphen aan den Rijn: 39%

The WOZ value is the official valuation each Dutch municipality sets every year for property tax. It is not a sale price. The averages here use the valuation date of 1 January 2024.

Source: Statistics Netherlands (CBS), Key figures for districts and neighbourhoods 2025 (CC BY 4.0)

Income and work.

How households in Zwammerdam compare with the national income distribution (reporting year 2024).

31%of households in the lowest 40% nationallyAlphen aan den Rijn: 32%
24%in the top 20% nationallyAlphen aan den Rijn: 23%
0.8%of residents live below the poverty lineAlphen aan den Rijn: 1.9%
€185,000median household wealthAlphen aan den Rijn: €180,000
77.0%of 15 to 75-year-olds in workAlphen aan den Rijn: 76.0%
18%with a university or higher professional degreeAlphen aan den Rijn: 32%
18.0%of workers are self-employedAlphen aan den Rijn: 16.0%
1.2cars per householdAlphen aan den Rijn: 1.0

Statistics Netherlands ranks every household in the country by income. In a neighbourhood that matched the national mix exactly, 40% of households would fall in the lowest 40% nationally and 20% in the top 20%. Income on its own says nothing about what a place is like to live in.

Source: Statistics Netherlands (CBS), Key figures for districts and neighbourhoods 2024: income, work and education (CC BY 4.0)

Safety.

Police registered 37 crimes in Zwammerdam in 2025, 9% more than in 2024. That is 19.4 per 1,000 residents, compared with 33.6 across Alphen aan den Rijn.

Vandalism and criminal damage5
Threats4
Assault4
Driving under the influence3
Burglary of homes2
Vehicle theft2
Theft from vehicles1
Theft of bicycles and mopeds1

Registered crime shows what becomes known to the police, not how safe a place feels, and not every crime is reported. Town centres, shopping areas and the streets around stations have few residents but many visitors, which pushes the rate per 1,000 residents up. The categories above are a selection; the total includes every registered crime.

Source: Dutch Police, registered crime by district and neighbourhood, 2024–2025 (CC BY 4.0)

Everyday distances.

Average distance by road for everyone living in Zwammerdam, a not urban area.

Distance to

GP practice0.5 km
Large supermarket3.3 km
Day nursery2.2 km
Primary school0.4 km

Also

Primary schools within 3 km1.1
Primary pupils living here110
Secondary pupils living here60
Business premises220
Residents per km²1,239
Land area154 ha

Source: Statistics Netherlands (CBS), Key figures for districts and neighbourhoods 2025 (CC BY 4.0)

More in Alphen aan den Rijn.

Every district in Alphen aan den Rijn.

OudshoornRidderveldZegerslootHoornHoge ZijdeLage ZijdeSteekterpolderKerk en ZanenRietveldBenthuizenAarlanderveenBoskoopHazerswoude-DorpHazerswoude-RijndijkKoudekerk aan den RijnAll of Alphen aan den Rijn