Location map: Leiderdorp
Municipality · Agglomeratie Leiden en Bollenstreek · South Holland

Leiderdorp: population and statistics

Leiderdorp has a population of 27,973 (2026) across 11.5 km², or 2,430 people per km². It ranks 206 of 342 municipalities by population. Its population is growing: +3.7% between 2016 and 2026.

  • 27,973 residents
  • 11.5 km²
  • 2,430 people/km²
  • 3 m

Key points

Among the 50 municipalities in South Holland, Leiderdorp ranks No. 40 by population.

Share of natural land, including forest (excluding water): 0.5% in Leiderdorp, compared with an average of 7.6% in South Holland and 13.5% nationally.

Dwellings mainly heated by electricity: 6% in Leiderdorp, compared with an average of 8% in South Holland and 10% nationally.

Largest business sector: Professional, scientific and technical, with 21.3% of the area's business sites.

A 1 kWp solar panel tilted at 40° generates about 1,068 kWh a year here.

Leiderdorp in numbers

Population
27,973
ranked 206 of 342
+3.7%over 10 years
2016–2026
Population density
2,430people/km²
ranked 31 of 342
Area
11.5km²
ranked 332 of 342
Elevation
3m
ranked 201 of 339
Share of natural land, including forest (excluding water)
0.5%
ranked 333 of 341
Dwellings mainly heated by electricity
6%
ranked 318 of 342
Average distance to the nearest school
0.6km
ranked 304 of 342
Dwellings built since 2000
12.4%
ranked 309 of 338

Where is Leiderdorp?

Population of Leiderdorp over time

26,50027,00027,50028,000201620182020202220242026
Population, 2016–2026

Leiderdorp had 26,968 residents in 2016 and 27,973 in 2026.

YearPopulation
202127,377
202227,464
202327,657
202427,736
202527,751
202627,973

Did you know?

All indicators for Leiderdorp

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.

LeiderdorpNational medianHover over or tap a bar to see what it shows.

Population

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Share of residents aged 65 and over (2026)24.0%19.5%23.6%ranked 154 of 342
Share of residents under 15 (2026)15.4%15.5%14.8%ranked 114 of 342
Natural increase per 1,000 inhabitants (2024)0.1 ‰0.8 ‰−1.3 ‰ranked 104 of 342
Net migration per 1,000 inhabitants (domestic and international) (2024)1.3 ‰5.3 ‰6.5 ‰ranked 283 of 342

Housing

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Housing stock (2025)12,698 dwellings1,773,4598,274,510ranked 200 of 342
Dwellings built before 1946 (2024)5.8%19.8%13.1%ranked 309 of 338
Dwellings built since 2000 (2024)12.4%20.3%19.9%ranked 309 of 338
Single-family dwellings (2024)57.7%49.2%79.5%ranked 313 of 342
Owner-occupied dwellings (2024)64.6%53.3%66.7%ranked 211 of 342
Housing association dwellings (2024)23.9%31.1%23.7%ranked 165 of 340
Average official property value (WOZ) of dwellings (2026)507,000 €431,489 €438,000 €ranked 77 of 342
New dwellings in the last five years per 1,000 inhabitants (2025)8.0 ‰19.0 ‰17.4 ‰ranked 308 of 341

Energy

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Average natural gas use per dwelling (2025)730 m³709 m³900 m³ranked 294 of 342
Average electricity supplied per dwelling (2025)2,400 kWh2,422 kWh2,810 kWhranked 306 of 342
Dwellings without natural gas (2025)8%13%7%ranked 100 of 342
Dwellings with solar power (2025)31%28%46%ranked 302 of 342
Dwellings mainly heated by electricity (2025)6%8%12%ranked 318 of 342
Area of solar parks (2022)0 ha174 ha3,475 haranked 159 of 341
Dwellings with an individual central heating boiler (2022)80.5%78.8%90.3%ranked 298 of 341
Dwellings with district heating (2022)9.7%7.7%0.1%ranked 26 of 341
Average electricity fed back to the grid per dwelling (2025)690 kWh641 kWh1,245 kWhranked 304 of 342
Installed solar panel capacity per inhabitant (2025)676 Wp898 Wp1,707 Wpranked 321 of 342
Solar power installations per 1,000 inhabitants (2025)148.2 ‰134.2 ‰222.7 ‰ranked 309 of 342

Economy

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Average disposable income per household (2024)65,200 €62,019 €63,450 €ranked 128 of 336
Business establishments (2026)3,410563,0402,612,530ranked 229 of 342
Business establishments per 1,000 inhabitants (2026)121.9 ‰145.0 ‰135.6 ‰ranked 272 of 342

Employment

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Unemployment benefits (WW), % of residents 15–65 (2026)1.2%1.5%1.5%ranked 265 of 342
Social assistance (below pension age), % of residents 15–65 (2026)2.6%4.1%2.3%ranked 134 of 342

Transport

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Privately owned passenger cars per 1,000 inhabitants (2025)433 ‰400 ‰508 ‰ranked 301 of 342
Average distance to the nearest railway station (2025)4.4 km5.6 km4.6 kmranked 175 of 342

Society

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Average household size (2025)2.2 persons2.12.2ranked 134 of 342
Single-person households (2025)36.8%40.7%33.3%ranked 92 of 342
Registered offences per 1,000 inhabitants (2025)32.4 ‰50.7 ‰30.9 ‰ranked 142 of 338
Theft, embezzlement and burglary per 1,000 inhabitants (2025)13.8 ‰21.4 ‰11.7 ‰ranked 117 of 320
Average distance to a large supermarket (2025)0.7 km0.8 km1.0 kmranked 298 of 342

Environment

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Household waste per inhabitant (2024)446 kg421 kg468 kgranked 218 of 340
Share of built-up and paved land (excluding water) (2022)40.1%52.0%16.8%ranked 58 of 341
Share of agricultural land (excluding water) (2022)50.9%28.5%58.8%ranked 209 of 341
Share of natural land, including forest (excluding water) (2022)0.5%7.6%11.7%ranked 333 of 341

Health

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Average distance to the nearest GP practice (2025)1.0 km0.9 km1.2 kmranked 206 of 342

Education

IndicatorLeiderdorpSouth HollandNationalPosition?Rank
Residents with a higher professional or university degree (2024)41.8%33.2%28.5%ranked 38 of 341
Average distance to the nearest school (2025)0.6 km0.7 km0.8 kmranked 304 of 342

Leiderdorp: 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

−2.4 pp

80.5% in 2022, compared with 82.9% in 2017

8081828384202220212020201920182017
Dwellings with an individual central heating boiler (%), 2017–2022

Dwellings with district heating

+2.6 pp

9.7% in 2022, compared with 7.1% in 2017

78910202220212020201920182017
Dwellings with district heating (%), 2017–2022

Installed solar panel capacity per inhabitant

+491 Wp+265.4%

676 Wp in 2025, compared with 185 Wp in 2019

02004006008002025202420232022202120202019
Installed solar panel capacity per inhabitant (Wp), 2019–2025

Solar power installations per 1,000 inhabitants

+105.5 ‰+247.1%

148.2 ‰ in 2025, compared with 42.7 ‰ in 2019

0501001502025202420232022202120202019
Solar power installations per 1,000 inhabitants (‰), 2019–2025

Registered offences per 1,000 inhabitants

+2.9 ‰+9.8%

32.4 ‰ in 2025, compared with 29.5 ‰ in 2019

253035402025202420232022202120202019
Registered offences per 1,000 inhabitants (‰), 2019–2025

Theft, embezzlement and burglary per 1,000 inhabitants

+1.3 ‰+10.4%

13.8 ‰ in 2025, compared with 12.5 ‰ in 2019

101214162025202420232022202120202019
Theft, embezzlement and burglary per 1,000 inhabitants (‰), 2019–2025

Sunshine and temperatures: Leiderdorp

Annual solar output
1,068kWh
for 1 kWp tilted at 40°
Warmest month
18.3°C
July
Coldest month
4.2°C
January
Most productive month
135kWh
May

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)
Monthly sunshine (kWh/m²) · Average temperature (°C)
MonthSunshineTemperature
January234.2
February404.2
March856.3
April1349.7
May16313.2
June17116.5
July16718.3
August13917.9
September9715.6
October5612.2
November277.8
December175.2

Business sectors: Leiderdorp

Share of each sector in total business sites; “×1.5” means the sector is 1.5 times more common than nationally.

Frequently asked questions

What is the population of Leiderdorp?

Leiderdorp has 27,973 residents (2026), ranking 206 of 342 municipalities.

How big is Leiderdorp?

Leiderdorp covers 11.5 km², with a density of 2,430 people per km².

Is the population of Leiderdorp growing?

Between 2016 and 2026, the population of Leiderdorp went from 26,968 to 27,973, a change of +3.7%.

Where is Leiderdorp?

Leiderdorp is in South Holland. It belongs to Agglomeratie Leiden en Bollenstreek (COROP region). Latitude 52.162, longitude 4.528.

Share of natural land, including forest (excluding water): what is the figure for Leiderdorp?

In Leiderdorp, “Share of natural land, including forest (excluding water)” stands at 0.5% (2022), ranking 333 of 341 municipalities; the national median is 11.7%.

Dwellings mainly heated by electricity: what is the figure for Leiderdorp?

In Leiderdorp, “Dwellings mainly heated by electricity” stands at 6% (2025), ranking 318 of 342 municipalities; the national median is 12%.

How much electricity does a solar panel produce in Leiderdorp?

In Leiderdorp, a 1 kWp south-facing system tilted at 40° produces about 1,068 kWh a year.

Which municipalities border Leiderdorp?

The nearest to Leiderdorp are Leiden (2.6 km), Oegstgeest (4.2 km), Zoeterwoude (5.6 km), Teylingen (6.1 km), Voorschoten (7.0 km).