district in Alphen aan den Rijn
Zwammerdam
Zwammerdam has 3 neighbourhoods with 1,910 residents in total.
no. 13 of the 15 districts of Alphen aan den Rijn
Short answer: Zwammerdam scores 6.8 as a district of Alphen aan den Rijn, no. 13 of the 15 districts of Alphen aan den Rijn. Its highest neighbourhood grade is Zwammerdam Dorp (8.5). The district has 3 neighbourhoods with 1,910 residents in total.
Key figures for Zwammerdam
- residents
- 1,910
- neighbourhoods
- 3
- km² of land
- 1.5
How Zwammerdam scores
Do some of these matter more to you than others?
The figures ⌄Safety
Registered crimes per 1,000 people present per year: residents plus business activity. Figures for small neighbourhoods are smoothed.
In 2025, 37 crimes were recorded here. The figures above are per 1,000 people present (residents + businesses).
Tick = Dutch median
The safest neighbourhoods in Alphen aan den Rijn →The most dangerous neighbourhoods in Alphen aan den Rijn →
The figures ⌄Amenities
Average distance to everyday amenities, compared with the Dutch median.
Tick = Dutch median
The figures ⌄Wealth & income
What the homes are worth, what residents earn and how many homes stand empty. It describes the area, not the people living in it.
Not counted
Part of this score's subject, but not part of the grade.
Tick = Dutch median
The figures ⌄Quiet & nature
How tightly the addresses sit together, how much noise there is, and how much green, trees and water surround it.
Not counted
Part of this score's subject, but not part of the grade.
Not part of the grade: air quality varies mostly between regions, barely between neighbourhoods within one municipality. WHO guideline: 5 µg/m³. Calculated annual mean, RIVM 2024.
Tick = Dutch median
The quietest, greenest neighbourhoods in Alphen aan den Rijn →
The figures ⌄Families
How practical this area is with children: distance to school and childcare, and how many children already live here.
Tick = Dutch median
The best neighbourhoods for families in Alphen aan den Rijn →
Who lives here
The age profile of Zwammerdam looks much like that of the average Dutch neighbourhood.
Age profile
- 0–1511%
NL median 14%
- 15–2510%
NL median 11%
- 25–4526%
NL median 22%
- 45–6532%
NL median 28%
- 65+21%
NL median 22%
Share of residents per age group (CBS, 2025). All five bars share one scale, so their lengths can be compared with each other.
Average household size
2.2 — around the average
NL median 2.3
Single-person households
31% — around the average
NL median 31%
Households with children
34% — around the average
NL median 35%
Residents per km²
1,358 — far less densely populated than average
NL median 2,364
Tick = Dutch median. Households with children counts towards Families, population density towards Quiet & nature; the other figures here get no grade. Average of the neighbourhoods in Zwammerdam, weighted by population.
Neighbourhoods in Zwammerdam
Sorted by total grade