Location map: Kaag en Braassem
Municipality · Agglomeratie Leiden en Bollenstreek · South Holland

Kaag en Braassem: population and statistics

Kaag en Braassem has a population of 29,467 (2026) across 63.2 km², or 466 people per km². It ranks 198 of 342 municipalities by population. Its population is growing: +12.9% between 2016 and 2026.

  • 29,467 residents
  • 63.2 km²
  • 466 people/km²
  • 0 m

Key points

Among the 50 municipalities in South Holland, Kaag en Braassem ranks No. 38 by population.

Share of natural land, including forest (excluding water): 0.4% in Kaag en Braassem, compared with an average of 7.6% in South Holland and 13.5% nationally.

New dwellings in the last five years per 1,000 inhabitants: 32.5 ‰ in Kaag en Braassem, compared with an average of 19.0 ‰ in South Holland and 19.7 ‰ nationally.

Largest business sector: Professional, scientific and technical, with 21.6% of the area's business sites.

A 1 kWp solar panel tilted at 40° generates about 1,063 kWh a year here.

Kaag en Braassem in numbers

Population
29,467
ranked 198 of 342
+12.9%over 10 years
2016–2026
Population density
466people/km²
ranked 175 of 342
Area
63.2km²
ranked 190 of 342
Elevation
0m
ranked 250 of 339
Share of natural land, including forest (excluding water)
0.4%
ranked 335 of 341
New dwellings in the last five years per 1,000 inhabitants
32.5‰
ranked 20 of 341
Unemployment benefits (WW), % of residents 15–65
1.0%
ranked 311 of 342
Natural increase per 1,000 inhabitants
2.2‰
ranked 37 of 342

Where is Kaag en Braassem?

Population of Kaag en Braassem over time

26,00027,00028,00029,00030,000201620182020202220242026
Population, 2016–2026

Kaag en Braassem had 26,108 residents in 2016 and 29,467 in 2026.

YearPopulation
202127,541
202227,895
202328,573
202429,168
202529,316
202629,467

Did you know?

All indicators for Kaag en Braassem

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.

Kaag en BraassemNational medianHover over or tap a bar to see what it shows.

Population

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Share of residents aged 65 and over (2026)22.7%19.5%23.6%ranked 218 of 342
Share of residents under 15 (2026)15.6%15.5%14.8%ranked 104 of 342
Natural increase per 1,000 inhabitants (2024)2.2 ‰0.8 ‰−1.3 ‰ranked 37 of 342
Net migration per 1,000 inhabitants (domestic and international) (2024)2.9 ‰5.3 ‰6.5 ‰ranked 254 of 342

Housing

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Housing stock (2025)12,787 dwellings1,773,4598,274,510ranked 198 of 342
Dwellings built before 1946 (2024)7.3%19.8%13.1%ranked 283 of 338
Dwellings built since 2000 (2024)27.4%20.3%19.9%ranked 34 of 338
Single-family dwellings (2024)80.1%49.2%79.5%ranked 168 of 342
Owner-occupied dwellings (2024)65.7%53.3%66.7%ranked 189 of 342
Housing association dwellings (2024)26.6%31.1%23.7%ranked 121 of 340
Average official property value (WOZ) of dwellings (2026)540,000 €431,489 €438,000 €ranked 50 of 342
New dwellings in the last five years per 1,000 inhabitants (2025)32.5 ‰19.0 ‰17.4 ‰ranked 20 of 341

Energy

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Average natural gas use per dwelling (2025)820 m³709 m³900 m³ranked 240 of 342
Average electricity supplied per dwelling (2025)2,810 kWh2,422 kWh2,810 kWhranked 171 of 342
Dwellings without natural gas (2025)10%13%7%ranked 61 of 342
Dwellings with solar power (2025)51%28%46%ranked 102 of 342
Dwellings mainly heated by electricity (2025)14%8%12%ranked 62 of 342
Area of solar parks (2022)0 ha174 ha3,475 haranked 159 of 341
Dwellings with an individual central heating boiler (2022)88.0%78.8%90.3%ranked 241 of 341
Dwellings with district heating (2022)0.0%7.7%0.1%ranked 191 of 341
Average electricity fed back to the grid per dwelling (2025)1,460 kWh641 kWh1,245 kWhranked 99 of 342
Installed solar panel capacity per inhabitant (2025)1,401 Wp898 Wp1,707 Wpranked 223 of 342
Solar power installations per 1,000 inhabitants (2025)241.0 ‰134.2 ‰222.7 ‰ranked 116 of 342

Economy

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Average disposable income per household (2024)71,000 €62,019 €63,450 €ranked 65 of 336
Business establishments (2026)4,370563,0402,612,530ranked 179 of 342
Business establishments per 1,000 inhabitants (2026)148.3 ‰145.0 ‰135.6 ‰ranked 95 of 342

Employment

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Unemployment benefits (WW), % of residents 15–65 (2026)1.0%1.5%1.5%ranked 311 of 342
Social assistance (below pension age), % of residents 15–65 (2026)1.7%4.1%2.3%ranked 284 of 342

Transport

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Privately owned passenger cars per 1,000 inhabitants (2025)512 ‰400 ‰508 ‰ranked 165 of 342
Average distance to the nearest railway station (2025)8.0 km5.6 km4.6 kmranked 95 of 342

Society

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Average household size (2025)2.3 persons2.12.2ranked 55 of 342
Single-person households (2025)31.6%40.7%33.3%ranked 229 of 342
Registered offences per 1,000 inhabitants (2025)26.2 ‰50.7 ‰30.9 ‰ranked 241 of 338
Theft, embezzlement and burglary per 1,000 inhabitants (2025)6.6 ‰21.4 ‰11.7 ‰ranked 282 of 320
Average distance to a large supermarket (2025)1.3 km0.8 km1.0 kmranked 85 of 342

Environment

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Household waste per inhabitant (2024)466 kg421 kg468 kgranked 175 of 340
Share of built-up and paved land (excluding water) (2022)13.0%52.0%16.8%ranked 210 of 341
Share of agricultural land (excluding water) (2022)83.8%28.5%58.8%ranked 17 of 341
Share of natural land, including forest (excluding water) (2022)0.4%7.6%11.7%ranked 335 of 341

Health

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Average distance to the nearest GP practice (2025)1.2 km0.9 km1.2 kmranked 143 of 342

Education

IndicatorKaag en BraassemSouth HollandNationalPosition?Rank
Residents with a higher professional or university degree (2024)28.5%33.2%28.5%ranked 170 of 341
Average distance to the nearest school (2025)0.9 km0.7 km0.8 kmranked 69 of 342

Kaag en Braassem: 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

−3.8 pp

88.0% in 2022, compared with 91.8% in 2017

88909294202220212020201920182017
Dwellings with an individual central heating boiler (%), 2017–2022

Dwellings with district heating

0.0 pp

0.0% in 2022, compared with 0.0% in 2017

0.000.050.10202220212020201920182017
Dwellings with district heating (%), 2017–2022

Installed solar panel capacity per inhabitant

+969 Wp+224.3%

1,401 Wp in 2025, compared with 432 Wp in 2019

05001,0001,5002025202420232022202120202019
Installed solar panel capacity per inhabitant (Wp), 2019–2025

Solar power installations per 1,000 inhabitants

+152.8 ‰+173.2%

241.0 ‰ in 2025, compared with 88.2 ‰ in 2019

01002003002025202420232022202120202019
Solar power installations per 1,000 inhabitants (‰), 2019–2025

Registered offences per 1,000 inhabitants

−0.1 ‰−0.4%

26.2 ‰ in 2025, compared with 26.3 ‰ in 2019

202530352025202420232022202120202019
Registered offences per 1,000 inhabitants (‰), 2019–2025

Theft, embezzlement and burglary per 1,000 inhabitants

−0.5 ‰−7.0%

6.6 ‰ in 2025, compared with 7.1 ‰ in 2019

456782025202420232022202120202019
Theft, embezzlement and burglary per 1,000 inhabitants (‰), 2019–2025

Sunshine and temperatures: Kaag en Braassem

Annual solar output
1,063kWh
for 1 kWp tilted at 40°
Warmest month
18.2°C
July
Coldest month
4.2°C
January
Most productive month
134kWh
May

0100200300−10°0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly sunshine (kWh/m²)Average temperature (°C)
Monthly sunshine (kWh/m²) · Average temperature (°C)
MonthSunshineTemperature
January224.2
February394.2
March846.3
April1339.6
May16213.1
June17116.4
July16618.2
August13817.8
September9715.6
October5512.2
November277.9
December175.3

Business sectors: Kaag en Braassem

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 Kaag en Braassem?

Kaag en Braassem has 29,467 residents (2026), ranking 198 of 342 municipalities.

How big is Kaag en Braassem?

Kaag en Braassem covers 63.2 km², with a density of 466 people per km².

Is the population of Kaag en Braassem growing?

Between 2016 and 2026, the population of Kaag en Braassem went from 26,108 to 29,467, a change of +12.9%.

Where is Kaag en Braassem?

Kaag en Braassem is in South Holland. It belongs to Agglomeratie Leiden en Bollenstreek (COROP region). Latitude 52.203, longitude 4.631.

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

In Kaag en Braassem, “Share of natural land, including forest (excluding water)” stands at 0.4% (2022), ranking 335 of 341 municipalities; the national median is 11.7%.

New dwellings in the last five years per 1,000 inhabitants: what is the figure for Kaag en Braassem?

In Kaag en Braassem, “New dwellings in the last five years per 1,000 inhabitants” stands at 32.5 ‰ (2025), ranking 20 of 341 municipalities; the national median is 17.4 ‰.

How much electricity does a solar panel produce in Kaag en Braassem?

In Kaag en Braassem, a 1 kWp south-facing system tilted at 40° produces about 1,063 kWh a year.

Which municipalities border Kaag en Braassem?

The nearest to Kaag en Braassem are Alphen aan den Rijn (7.8 km), Lisse (8.0 km), Leiderdorp (8.4 km), Teylingen (8.4 km), Hillegom (11 km).