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The population is shrinking, while it grows in Leiden. Homes cost more than the average in the municipality of Leiden, and registered crime per resident is lower.
2,405 residents,
Get a full report on value, costs, energy and surroundings.
Compared with the municipality of Leiden · newest year available
© Kadaster / PDOK, CBS
The average WOZ value in Zijlwijk-Zuid is €577,000, 41% higher than in Leiden (€409,000). Between 2021 and 2025 the average WOZ value rose 30%, against a rise of 31% in Leiden. 98% of the homes are owner-occupied, 57 percentage points more than in Leiden (41%).
The average WOZ value rose 30% between 2021 and 2025, to €577,000.
The WOZ value as struck on 1 January of the year before the KWB edition.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
Modelled ownership costs for a typical dwelling here: ~€356 per month (excluding mortgage and energy)
Typical home here, before mortgage and energy
Model estimates, not bills.
For this home, Leiden's OZB, sewage and waste levies rank 169th of 334 gemeenten, cheapest first.
Water board, maintenance and insurance are estimated from national rates and the home's value and size, so they aren't compared.
Source: Municipal levies + CBS 2026
Zijlwijk-Zuid has the highest WOZ value of the 6 buurten in Merenwijkdistrict.
Average WOZ value from the Netherlands down to this area, and its rank within its own group (e.g. buurten within the same wijk). Provincie is omitted: KWB publishes no province rows to average.
Source: CBS Kerncijfers wijken en buurten (KWB)
Here: €577,000 average WOZ value.
| Value | Dwellings | Aged 65+ | |
|---|---|---|---|
| Zijlwijk-Zuid | 577,000 | 972 | – |
| Slaaghwijk | 303,000 | 1,778 | – |
| Zijlwijk-Noord | 477,000 | 1,064 | – |
| Merenwijk-Centrum | 264,000 | 787 | – |
| Leedewijk-Zuid | 507,000 | 355 | – |
| Leedewijk-Noord | 518,000 | 1,138 | – |
Each circle is an area: position by average WOZ value, size by dwelling count. The 65-and-over share (pct_65_plus) travels on every point but is not yet drawn as a second axis.
Source: CBS Kerncijfers wijken en buurten (KWB)
The largest category is owner-occupied, at 98% of dwellings.
CBS publishes this as a share of the dwelling stock, not a count.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
100% of the dwelling stock is single-family homes.
CBS publishes this as a share of the dwelling stock, not a count.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
93% of dwellings were built between 1975 and 1991, against 22% in the municipality of Leiden.
Based on 972 dwellings with a registered construction year in the BAG (verblijfsobjecten whose pand has no usable bouwjaar, such as 1005 or 9999, are excluded).
Source: Kadaster BAG (bag-light.gpkg) 2026-09-01
In 2025, 10 crimes per 1,000 residents were registered in Zijlwijk-Zuid, 82% lower than in Leiden (56). Since 2021 the registered rate per 1,000 residents fell 31%, against a rise of 28% in Leiden. Crimes are counted where they happen, not where the offender lives.
In 2025, Zijlwijk-Zuid registered 10 crimes per 1,000 residents, against 56 in the municipality of Leiden.
Crime is counted where it happens and divided by the number of residents, so places with many visitors — city centres, nightlife, stations — score higher.
Source: CBS/Politie geregistreerde misdrijven (47018NED) 2025
In 2025, Zijlwijk-Zuid registered 10 crimes per 1,000 residents, against 56 in the municipality of Leiden.
Registered crime, not all crime — CBS/Politie 47018NED. A year without a matching population figure (KWB) is left out.
Source: CBS/Politie geregistreerde misdrijven (47018NED) 2025
The largest category in Zijlwijk-Zuid is 'Traffic': 3.7 per 1,000 residents in 2025, against 9.1 in the municipality of Leiden.
Four categories are structurally withheld at buurt level (sex offences, child pornography, child prostitution, other integrity offences); the gap with the published total is shown under 'other'.
Source: CBS/Politie geregistreerde misdrijven (47018NED) 2025
Home burglary 2023-2025: 0.7 per 1,000 dwellings a year on average, against 2.1 in the municipality of Leiden.
Averaged over 3 years (2023-2025) to dampen year-to-year noise at low counts.
Source: CBS/Politie geregistreerde misdrijven (47018NED) 2025
In 2024, police in Zijlwijk-Zuid registered 1 traffic accidents, of which 1 with injury and none fatal.
Registered accidents (BRON, Rijkswaterstaat); material-damage-only accidents have not been systematically registered since roughly 2010 and are not comparable between areas. This area shows only accidents with an exactly known location (roughly 80-85% of all registered accidents); the rest is known only at street, intersection or gemeente level. The comparison with the gemeente therefore also uses only the gemeente's exactly-located accidents, which is why that figure is lower than on the gemeente's own page.
Source: BRON — Bestand geRegistreerde Ongevallen Nederland (Rijkswaterstaat) 2024
An estimated 80% of adults in Zijlwijk-Zuid rate their own health as good, 5 percentage points more than in Leiden. Fewer adults report anxiety or depression (38% against 54%), fewer feel lonely (39% against 49%), fewer smoke (9% against 18%) and fewer drink excessively (5% against 8%). Built-up land is the largest land use in Zijlwijk-Zuid, covering 79% of the area, against 60% in Leiden. Green space such as parks, sports fields, forest and nature covers 8% of the area, 6 percentage points below the 14% in Leiden.
An estimated 80% of adults rate their own health as good, against 75% in the municipality of Leiden (2024).
An RIVM model estimate (small-area estimation from the 2024 Health Monitor for Adults and Elderly), not a direct tabulation — even a buurt that was not itself surveyed gets an estimate. Figures cover adults aged 18 and over.
Source: RIVM/CBS Gezondheidsmonitor Volwassenen en Ouderen (kleine-gebieden-schatting) 2024
8% of the area is green (parks, sport, nature), against 14% in the municipality of Leiden.
Every share is calculated as a percentage of the TOTAL area (land and water together, peiljaar 2022); water is therefore one of the slices itself, not a separate whole. Green is the sum of recreational terrain (parks, sport fields, allotments, day recreation) and natural terrain (forest, open natural terrain) — agricultural land is not counted as green here.
Source: CBS Bodemgebruik (86211NED) 2022
A primary school lies here at an average road distance of 500 m.
| Distance | Value | |
|---|---|---|
| Large supermarket | 800 m | – |
| GP practice | 800 m | – |
| Primary school | 500 m | – |
| Daycare | 500 m | – |
| Large supermarkets | – | 2.8 |
| GP practices | – | 1.1 |
| Daycares | – | 2.7 |
Average road distance from every address in this buurt to the nearest amenity, and the average count within 1 km — a buurt average, not a distance from one address.
Source: CBS proximity statistics 2025
Zijlwijk-Zuid has 2,405 inhabitants (2026), or 7,142 per km² (20% higher than in Leiden). Between 2021 and 2026 the population fell 2%, against a rise of 5% in Leiden. In the 2025 House of Representatives (Tweede Kamer) election, turnout in the municipality of Leiden was 82%, 4 percentage points above the national 78%. Of the parties that are largest nationally, D66 had the highest share there: 25% of the vote, against 17% nationally. Election results exist only per municipality, so these are the municipality's figures.
The population shrank 2% between 2021 and 2026, to 2,405.
Source: CBS Kerncijfers wijken en buurten (KWB) 2026
With 7,142 residents per km², this buurt is 20% more densely populated than the municipality of Leiden.
Source: CBS Kerncijfers wijken en buurten (KWB) 2026
In 2025, 4.1 children were born per 1,000 residents; 6.2 died per 1,000.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
26% of residents are between 45 and 65.
Source: CBS Kerncijfers wijken en buurten (KWB) 2026
52% of residents are married.
Source: CBS Kerncijfers wijken en buurten (KWB) 2026
74% of residents have Dutch origin.
Source: CBS Kerncijfers wijken en buurten (KWB) 2026
54% of residents have a higher professional (hbo) or university (wo) education.
Source: CBS Kerncijfers wijken en buurten (KWB) 2024
These figures are for the whole municipality of Leiden; there is no result per buurt or wijk. At the general election (Tweede Kamer) of 29 October 2025, 82% of eligible voters in Leiden voted. The largest party was D66 with 25% of the valid votes.
Official election result (Kiesraad), top 8 parties by national vote count plus 'Other'; share of valid votes. A voter may vote at any polling station in their own gemeente; there is therefore no reliable buurt- or wijk-level result. This figure is the whole gemeente's own result.
Source: Kiesraad — Verkiezingsuitslag Tweede Kamer (data.overheid.nl) TK2025
Zijlwijk-Zuid has an average of 1.1 cars per household, 2.2 times as high as in Leiden (0.5). 28% of cars run on something other than petrol (diesel, LPG or electricity, hybrids included), 7 percentage points more than in Leiden (21%).
Zakelijke dienstverlening is the largest sector, with 95 establishments.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
28% of passenger cars do not run on petrol (diesel, LPG, electric etc.), against 21% in the municipality of Leiden (2025).
CBS splits passenger cars into 'petrol' and 'other fuel' only. That second category bundles diesel, LPG, electric (including hybrid), hydrogen, alcohol, LNG and CNG together — CBS publishes no separate electric-car count per buurt, wijk or gemeente, so this is not the same as an 'electric share'.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
The share of passenger cars not running on petrol went from 17% to 28% between 2021 and 2025.
See the 'Passenger cars by fuel type' card for what 'other fuel' covers — this is not the share of electric cars.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
In 2025, 1,060 passenger cars and 85 motorcycles were registered here.
At this level CBS publishes only passenger cars and motorcycles, no vans or trucks.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
99% of addresses are residential; the largest other use is office (0.2%).
Based on 980 verblijfsobjecten in use. An object with several registered uses (e.g. a flat above a shop) is counted under each of them, so the shares can add up to more than 100%.
Source: Kadaster BAG (bag-light.gpkg) 2026-09-01
1% private rent, against 14% nationally.
The 5 characteristics that differ most from the national average, ranked by log ratio (so a halving and a doubling count as equally different); the shown percentage is the ordinary difference against the Netherlands.
Source: CBS Kerncijfers wijken en buurten (KWB) 2025
| Leedewijk-Noord | 2,775 | €518,000 | 9 |
| Leedewijk-Zuid | 920 | €507,000 | 18 |
| Zijlwijk-Noord | 2,385 | €477,000 | 17 |
| Slaaghwijk | 4,560 | €303,000 | 31 |
| Merenwijk-Centrum | 1,060 | €264,000 | 129 |