district in Leiden
Bos- en Gasthuisdistrict
Bos- en Gasthuisdistrict has 8 neighbourhoods with 20,725 residents in total.
The Bos- en Gasthuisdistrict is Leiden's post-war south-western edge, eight neighbourhoods and just over 20,000 residents around Boshuizen and the Gasthuiswijk. Amenities score 8.6 and safety 6.1, figures around or above the middle. Wealth and income (4.6) and quiet and nature (4.8) stay modest, and the overall lands at 5.8. An orderly, mixed urban district with the historic centre a bike ride away, but without high points of its own.
no. 5 of the 10 districts of Leiden
Short answer: Bos- en Gasthuisdistrict scores 5.8 as a district of Leiden, no. 5 of the 10 districts of Leiden. Its strongest neighbourhood is Vreewijk (8.2), the worst Oostvliet (3.1). The district has 8 neighbourhoods with 20,725 residents in total.
Key figures for Bos- en Gasthuisdistrict
- residents
- 20,725
- neighbourhoods
- 8
- km² of land
- 5.2
How Bos- en Gasthuisdistrict 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, 879 crimes were recorded here. The figures above are per 1,000 people present (residents + businesses).
Tick = Dutch median
The safest neighbourhoods in Leiden →The most dangerous neighbourhoods in Leiden →
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 figures ⌄Families
How practical this area is with children: distance to school and childcare, and how many children already live here.
Tick = Dutch median
Who lives here
Bos- en Gasthuisdistrict has strikingly many young people aged 15 to 25: 18%, against 11% in the average Dutch neighbourhood.
Age profile
- 0–1511%
NL median 14%
- 15–2518%
NL median 11%
- 25–4529%
NL median 22%
- 45–6523%
NL median 28%
- 65+19%
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
1.7 — smaller than average
NL median 2.3
Single-person households
59% — far more than average
NL median 31%
Households with children
20% — far fewer than average
NL median 35%
Residents per km²
7,506 — far more 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 Bos- en Gasthuisdistrict, weighted by population.
The best and worst neighbourhoods of Bos- en Gasthuisdistrict
The same total grade, the same yardstick — from the top to the bottom of Bos- en Gasthuisdistrict.
Highest grades
Lowest grades
Neighbourhoods in Bos- en Gasthuisdistrict
Sorted by total grade