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12400 Tervakoski

Postcode area 12400 Tervakoski had 4,277 residents at the end of 2024. Median disposable income of adults was €27,811 in 2024, in line with the municipal level. 66% of homes were detached, semi-detached or terraced houses. From the area’s service centre, 40 everyday shops and services are within a 15-minute walk.

Postcode area · Statistics Finland · Updated 24 October 2026
4,277residents31 December 2024
€27,811median incomeadults, 2024
19%of households rentingtenure
22%green within 500 maverage
12400 Tervakoski · Janakkala12400 Tervakoski highlighted; the rest of the municipality in grey
Map of Janakkala with 12400 Tervakoski highlighted

Sources: Statistics Finland, Paavo open data by postal code area 2026 (CC BY 4.0) · Statistics Finland, municipal and regional boundaries 2026 (CC BY 4.0) · © OpenStreetMap contributors (ODbL)

People.

Age at the end of 2024, next to the figure for Janakkala.

15%
aged under 16
8%
aged 16–24
20%
aged 25–44
30%
aged 45–64
27%
aged 65 and over
47
years, average age

Main activity

Employed44%
Unemployed4%
Students7%
Pensioners30%
Children aged 0–1413%
Others2%

Population at the end of each year

20154,722
20164,666
20174,629
20184,559
20194,575
20204,480
20214,522
20224,440
20234,341
20244,277

Source: Statistics Finland, Paavo open data by postal code area 2026 (CC BY 4.0)

Income and education.

Disposable income in 2024 and education at the end of 2024.

€27,811
median income, adults
€29,988
mean income, adults
8.5%
unemployment rate

Education of adults

No qualification after basic education22%
Matriculation examination4%
Vocational qualification45%
Lower university or polytechnic degree23%
Higher university degree7%

Income is the disposable money income of residents aged 18 and over in 2024: taxable and tax-free income minus taxes and contributions. The median is the middle value, so a few high earners do not pull it up.

Source: Statistics Finland, Paavo open data by postal code area 2026 (CC BY 4.0)

Homes.

2,173 households and 2,505 homes at the end of 2024.

2.0
people per household
45.6 m²
floor area per person
87.0 m²
average home size
33%
of homes in blocks of flats

Households by tenure

Owner-occupied80%
Rented19%
Other tenure1%

Households

One-person households43%
Young one-person households6%
Households with children20%
Pensioner households40%

Household groups overlap: young one-person households, for example, are also counted as one-person households.

1,024jobs located hereworkplaces
279summer cottages and other leisure homesleisure homes
66%of homes in housesdetached, semi-detached, terraced

Statistics Finland withholds a figure when fewer than 30 people are behind it (fewer than 10 for workplaces). Missing figures are shown as a dash and never estimated.

Source: Statistics Finland, Paavo open data by postal code area 2026 (CC BY 4.0)

Everyday life.

40 everyday shops and services within a 15-minute walk; 22% green space within 500 metres.

Supermarkets and convenience shops2
Bakeries1
Pharmacies1
Doctors and health centres0
Dentists0
Cafés and pubs2
Restaurants5
Parks3
Playgrounds4
Sports pitches6
Gyms and sports centres3
Libraries1
Day-care centres2
Bus stops19
Tram and metro stops0
Railway stations0
4schoolsOpenStreetMap
2day-care centresOpenStreetMap
7.2 kmto the nearest stationrail, tram or metro
50residents per km²85.6 km²

Services and green space are measured from each postcode area’s service centre: the point inside the area with the most shops and services within 500 metres. Municipal and regional figures are averages weighted by population.

Source: © OpenStreetMap contributors (ODbL). Within one kilometre.

More postcode areas in Janakkala.