Katwijk: population and statistics
Katwijk has a population of 67,149 (2026) across 24.9 km², or 2,699 people per km². It ranks 62 of 342 municipalities by population. Its population is growing: +4.5% between 2016 and 2026.
- 67,149 residents
- 24.9 km²
- 2,699 people/km²
- 6 m
Key points
Among the 50 municipalities in South Holland, Katwijk ranks No. 17 by population.
Unemployment benefits (WW), % of residents 15–65: 0.9% in Katwijk, compared with an average of 1.5% in South Holland and 1.6% nationally.
Business establishments per 1,000 inhabitants: 106.7 ‰ in Katwijk, compared with an average of 145.0 ‰ in South Holland and 144.1 ‰ nationally.
Largest business sector: Professional, scientific and technical, with 19.6% of the area's business sites.
A 1 kWp solar panel tilted at 40° generates about 1,087 kWh a year here.
Katwijk in numbers
Where is Katwijk?
Neighbouring municipalities
- Noordwijk3.8 km · 46,453
- Oegstgeest5.2 km · 26,095
- Wassenaar6.3 km · 27,975
- Teylingen6.7 km · 38,739
- Leiden6.8 km · 130,328
- Voorschoten8.7 km · 25,975
- Leiderdorp8.8 km · 27,973
- Zoeterwoude11 km · 10,355
All municipalities in South Holland
All municipalities in Agglomeratie Leiden en Bollenstreek (COROP region)
Municipalities of similar size
Population of Katwijk over time
Katwijk had 64,239 residents in 2016 and 67,149 in 2026.
| Year | Population |
|---|---|
| 2021 | 65,995 |
| 2022 | 66,032 |
| 2023 | 66,607 |
| 2024 | 66,966 |
| 2025 | 67,089 |
| 2026 | 67,149 |
Did you know?
- “Unemployment benefits (WW), % of residents 15–65”: lower than in 97% of municipalities.
- “Business establishments per 1,000 inhabitants”: lower than in 94% of municipalities.
- “Privately owned passenger cars per 1,000 inhabitants”: lower than in 94% of municipalities.
- Its area is roughly equal to 3,485 football pitches.
- Its population density is 5.0 times the national average.
- The nearest municipality is Noordwijk, 3.8 km away.
- The nearest more populous municipality is Leiden (130,328 residents), 6.8 km away.
All indicators for Katwijk
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of residents aged 65 and over (2026) | 20.0% | 19.5% | 23.6% | ranked 286 of 342 | |
| Share of residents under 15 (2026) | 17.3% | 15.5% | 14.8% | ranked 31 of 342 | |
| Natural increase per 1,000 inhabitants (2024) | 1.7 ‰ | 0.8 ‰ | −1.3 ‰ | ranked 51 of 342 | |
| Net migration per 1,000 inhabitants (domestic and international) (2024) | 0.1 ‰ | 5.3 ‰ | 6.5 ‰ | ranked 304 of 342 |
Housing
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Housing stock (2025) | 27,845 dwellings | 1,773,459 | 8,274,510 | ranked 71 of 342 | |
| Dwellings built before 1946 (2024) | 12.9% | 19.8% | 13.1% | ranked 172 of 338 | |
| Dwellings built since 2000 (2024) | 23.8% | 20.3% | 19.9% | ranked 74 of 338 | |
| Single-family dwellings (2024) | 58.4% | 49.2% | 79.5% | ranked 309 of 342 | |
| Owner-occupied dwellings (2024) | 64.9% | 53.3% | 66.7% | ranked 205 of 342 | |
| Housing association dwellings (2024) | 27.3% | 31.1% | 23.7% | ranked 109 of 340 | |
| Average official property value (WOZ) of dwellings (2026) | 526,000 € | 431,489 € | 438,000 € | ranked 56 of 342 | |
| New dwellings in the last five years per 1,000 inhabitants (2025) | 12.3 ‰ | 19.0 ‰ | 17.4 ‰ | ranked 255 of 341 |
Energy
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average natural gas use per dwelling (2025) | 770 m³ | 709 m³ | 900 m³ | ranked 276 of 342 | |
| Average electricity supplied per dwelling (2025) | 2,550 kWh | 2,422 kWh | 2,810 kWh | ranked 272 of 342 | |
| Dwellings without natural gas (2025) | 5% | 13% | 7% | ranked 236 of 342 | |
| Dwellings with solar power (2025) | 33% | 28% | 46% | ranked 295 of 342 | |
| Dwellings mainly heated by electricity (2025) | 7% | 8% | 12% | ranked 306 of 342 | |
| Area of solar parks (2022) | 4 ha | 174 ha | 3,475 ha | ranked 117 of 341 | |
| Dwellings with an individual central heating boiler (2022) | 91.7% | 78.8% | 90.3% | ranked 93 of 341 | |
| Dwellings with district heating (2022) | 0.3% | 7.7% | 0.1% | ranked 125 of 341 | |
| Average electricity fed back to the grid per dwelling (2025) | 750 kWh | 641 kWh | 1,245 kWh | ranked 290 of 342 | |
| Installed solar panel capacity per inhabitant (2025) | 856 Wp | 898 Wp | 1,707 Wp | ranked 299 of 342 | |
| Solar power installations per 1,000 inhabitants (2025) | 147.3 ‰ | 134.2 ‰ | 222.7 ‰ | ranked 312 of 342 |
Economy
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average disposable income per household (2024) | 66,300 € | 62,019 € | 63,450 € | ranked 106 of 336 | |
| Business establishments (2026) | 7,165 | 563,040 | 2,612,530 | ranked 93 of 342 | |
| Business establishments per 1,000 inhabitants (2026) | 106.7 ‰ | 145.0 ‰ | 135.6 ‰ | ranked 320 of 342 |
Employment
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Unemployment benefits (WW), % of residents 15–65 (2026) | 0.9% | 1.5% | 1.5% | ranked 327 of 342 | |
| Social assistance (below pension age), % of residents 15–65 (2026) | 2.1% | 4.1% | 2.3% | ranked 202 of 342 |
Transport
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Privately owned passenger cars per 1,000 inhabitants (2025) | 393 ‰ | 400 ‰ | 508 ‰ | ranked 323 of 342 | |
| Average distance to the nearest railway station (2025) | 6.6 km | 5.6 km | 4.6 km | ranked 124 of 342 |
Society
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average household size (2025) | 2.4 persons | 2.1 | 2.2 | ranked 21 of 342 | |
| Single-person households (2025) | 32.4% | 40.7% | 33.3% | ranked 205 of 342 | |
| Registered offences per 1,000 inhabitants (2025) | 31.0 ‰ | 50.7 ‰ | 30.9 ‰ | ranked 168 of 338 | |
| Theft, embezzlement and burglary per 1,000 inhabitants (2025) | 14.8 ‰ | 21.4 ‰ | 11.7 ‰ | ranked 101 of 320 | |
| Vandalism and damage per 1,000 inhabitants (2025) | 2.7 ‰ | 4.5 ‰ | 3.8 ‰ | ranked 142 of 171 | |
| Violent and sexual offences per 1,000 inhabitants (2025) | 2.8 ‰ | 5.9 ‰ | 3.9 ‰ | ranked 156 of 178 | |
| Average distance to a large supermarket (2025) | 0.7 km | 0.8 km | 1.0 km | ranked 298 of 342 |
Environment
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Household waste per inhabitant (2024) | 379 kg | 421 kg | 468 kg | ranked 307 of 340 | |
| Share of built-up and paved land (excluding water) (2022) | 47.3% | 52.0% | 16.8% | ranked 43 of 341 | |
| Share of agricultural land (excluding water) (2022) | 22.5% | 28.5% | 58.8% | ranked 294 of 341 | |
| Share of natural land, including forest (excluding water) (2022) | 22.0% | 7.6% | 11.7% | ranked 97 of 341 |
Health
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Average distance to the nearest GP practice (2025) | 0.8 km | 0.9 km | 1.2 km | ranked 288 of 342 |
Education
| Indicator | Katwijk | South Holland | National | Position? | Rank |
|---|---|---|---|---|---|
| Residents with a higher professional or university degree (2024) | 23.2% | 33.2% | 28.5% | ranked 294 of 341 | |
| Average distance to the nearest school (2025) | 0.6 km | 0.7 km | 0.8 km | ranked 304 of 342 |
Katwijk: indicators over time
Indicators available for several years. Hover over or tap a chart to read the value for each year.
Dwellings with an individual central heating boiler
91.7% in 2022, compared with 92.4% in 2017
Dwellings with district heating
0.3% in 2022, compared with 0.3% in 2017
Installed solar panel capacity per inhabitant
856 Wp in 2025, compared with 239 Wp in 2019
Solar power installations per 1,000 inhabitants
147.3 ‰ in 2025, compared with 44.1 ‰ in 2019
Registered offences per 1,000 inhabitants
31.0 ‰ in 2025, compared with 26.1 ‰ in 2019
Theft, embezzlement and burglary per 1,000 inhabitants
14.8 ‰ in 2025, compared with 9.3 ‰ in 2019
Vandalism and damage per 1,000 inhabitants
2.7 ‰ in 2025, compared with 2.3 ‰ in 2019
Violent and sexual offences per 1,000 inhabitants
2.8 ‰ in 2025, compared with 2.7 ‰ in 2019
Sunshine and temperatures: Katwijk
| Month | Sunshine | Temperature |
|---|---|---|
| January | 23 | 4.5 |
| February | 40 | 4.4 |
| March | 86 | 6.4 |
| April | 135 | 9.5 |
| May | 165 | 12.9 |
| June | 173 | 16.2 |
| July | 170 | 18.1 |
| August | 140 | 17.9 |
| September | 96 | 15.8 |
| October | 55 | 12.4 |
| November | 27 | 8.2 |
| December | 17 | 5.6 |
Business sectors: Katwijk
Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than nationally.
- Professional, scientific and technical19.6% ×0.9
- Wholesale and retail trade17.4% ×1.3
- Construction13.3% ×1.3
- Health and social work10.2% ×1.0
- Other service activities6.9% ×1.3
- Education5.3% ×0.9
- Administrative and support services5.1% ×0.9
- Arts, entertainment and recreation3.8% ×0.7
Frequently asked questions
What is the population of Katwijk?
Katwijk has 67,149 residents (2026), ranking 62 of 342 municipalities.
How big is Katwijk?
Katwijk covers 24.9 km², with a density of 2,699 people per km².
Is the population of Katwijk growing?
Between 2016 and 2026, the population of Katwijk went from 64,239 to 67,149, a change of +4.5%.
Where is Katwijk?
Katwijk is in South Holland. It belongs to Agglomeratie Leiden en Bollenstreek (COROP region). Latitude 52.201, longitude 4.415.
Unemployment benefits (WW), % of residents 15–65: what is the figure for Katwijk?
In Katwijk, “Unemployment benefits (WW), % of residents 15–65” stands at 0.9% (2026), ranking 327 of 342 municipalities; the national median is 1.5%.
Business establishments per 1,000 inhabitants: what is the figure for Katwijk?
In Katwijk, “Business establishments per 1,000 inhabitants” stands at 106.7 ‰ (2026), ranking 320 of 342 municipalities; the national median is 135.6 ‰.
How much electricity does a solar panel produce in Katwijk?
In Katwijk, a 1 kWp south-facing system tilted at 40° produces about 1,087 kWh a year.
Which municipalities border Katwijk?
The nearest to Katwijk are Noordwijk (3.8 km), Oegstgeest (5.2 km), Wassenaar (6.3 km), Teylingen (6.7 km), Leiden (6.8 km).