In brief
Jamppa (04440) has 4,136 residents, 9% of the population of Järvenpää. The age structure is close to Järvenpää's: 21% of residents are aged 16 to 34 and 20% are 65 or over. 50% of households are people living alone and 21% are families with children.
60% of homes are in blocks of flats and 37% in detached, semi-detached or terraced houses. Homes are smaller on average than in Järvenpää (69.5 m² compared with 74.0 m²). 53% of households rent their home, more than in Järvenpää (40%). This is the highest share among the postal code areas of Järvenpää. An old one-bedroom flat sells for €997 per m² on average, 53% less than the average in Järvenpää. The price is the lowest among the postal code areas of Järvenpää. The price per m² has fallen by 30% since 2020. The price equals 5.3 years of rent at €15.60 per m² a month in new leases.
The median disposable monetary income of residents is €25,502 a year, about €2,125 a month: 12% lower than in Järvenpää and 3% lower than in Finland. It is the lowest among the postal code areas of Järvenpää. 19% of the labour force is unemployed, more than in Järvenpää (12%). The area has 3,214 jobs; the largest industry is manufacturing (54%). Its share is clearly higher than in Järvenpää (14%).
The number of residents has fallen by 5% since 2014, while it has grown in Järvenpää.
Rank among the city's areas
Jobs per resident
0.78
The highest of 7 areas in Järvenpää
Järvenpää 0.30
Unemployment
19%
The highest of 7 areas in Järvenpää
Järvenpää 12%
Households renting
53%
The highest of 7 areas in Järvenpää
Järvenpää 40%
University or college degree
25%
The lowest of 7 areas in Järvenpää
Järvenpää 37%
Key figures
Residents and households 2024, prices and rents from the latest quarters
- Price per m², 1 bedroom
- €997
- -30.2% since 2020
- Järvenpää€2,129
- Rent per m², 1 bedroom
- €15.60
- Figure for Järvenpää
- Järvenpää€15.35
- Residents
- 4,136
- -5.3% since 2014
- Mean age43.0
- Disposable monetary income, median
- €25,502
- +23.4% since 2014
- a year, about €2,125 a month
- Järvenpää€28,999
- Finland€26,351
- Households renting
- 53%
- of 2,193 households
- Järvenpää40%
- Finland38%
- University or college degree
- 25%
- of residents aged 18 or over
- Järvenpää37%
- Finland36%
Housing costs
An old one-bedroom flat sells for €997 per m² on average, 53% less than the average in Järvenpää. The price is the lowest among the postal code areas of Järvenpää. The price per m² has fallen by 30% since 2020.
Price per m²
€997
Postal code area 04440
Sales of old flats in blocks of flats, 2025, 9 sales
Rent per m² a month
€15.60
Figure for Järvenpää
New leases, non-subsidised flats, 2026 Q3
Järvenpää: €15.35
Middle half of sales, € per m²
- Price-to-rent ratio
- 5.3 years
- Järvenpää: 11.6
- Gross rental yield
- 18.8%
- Järvenpää: 8.6%
- Maintenance charge
- €4.55
- Average per m² a month, Finland outside Greater Helsinki, 2025
- Change a year
- 10 yrs5 yrsPrice-2.4%-5.0%Rent+1.1%+0.7%
- Average of the price index (Järvenpää) and rent index (Järvenpää)
Source: Statistics Finland
Yearly average price of old flats in blocks of flats in this postal code area. Gaps are years with too few sales to publish. Source: Statistics Finland.
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See the area's housing marketCompared with the other areas
In none of these 9 figures is the area among the three highest or lowest postal code areas of Järvenpää.
Price per m², 1 bedroom4/4
€997Jamppa€2,672Järvenpää KeskusJärvenpää €2,129Jamppa €997€997Jamppa€2,672Järvenpää KeskusMedian disposable income7/7
€25,502Jamppa€33,405HaarajokiJärvenpää €28,999Jamppa €25,502€25,502Jamppa€33,405HaarajokiHouseholds renting1/7
9%Haarajoki53%JamppaJärvenpää 40%Jamppa 53%9%Haarajoki53%JamppaAged 16 to 345/7
20%Kinnari-Mikonkorpi26%Järvenpää KeskusJärvenpää 23%Jamppa 21%20%Kinnari-Mikonkorpi26%Järvenpää KeskusAged 65 or over3/7
11%Nummenkylä25%LouttiJärvenpää 20%Jamppa 20%11%Nummenkylä25%LouttiFamilies with children5/7
16%Loutti39%HaarajokiJärvenpää 22%Jamppa 21%16%Loutti39%HaarajokiUniversity or college degree7/7
25%Jamppa46%KyröläJärvenpää 37%Jamppa 25%25%Jamppa46%KyröläUnemployment1/7
6%Haarajoki19%JamppaJärvenpää 12%Jamppa 19%6%Haarajoki19%JamppaAverage home size5/7
66.2 m²Järvenpää Keskus118.6 m²HaarajokiJärvenpää 74.0 m²Jamppa 69.5 m²66.2 m²Järvenpää Keskus118.6 m²Haarajoki
Residents
Age
The age structure is close to Järvenpää's: 21% of residents are aged 16 to 34 and 20% are 65 or over.
JamppaJärvenpää
Source: Statistics Finland, Paavo, statistics year 2024 · Share of residents in each age group.
Main activity
Employed people make up 40% of residents, less than in Järvenpää (46%).
- Jamppa40%22%16%
- Järvenpää46%22%16%
- Finland43%26%15%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of all residents. Unemployment is counted for ages 16 to 64.
- Mean age
- 43.0
- Järvenpää: 42.0
- Unemployed, share of the labour force
- 19%
- Järvenpää: 12%
- Household size
- 1.9
- Järvenpää: 2.0
- Floor area per person
- 38.3 m²
- Järvenpää: 38.6 m²
Households and homes
Tenure
53% of households rent their home, more than in Järvenpää (40%). This is the highest share among the postal code areas of Järvenpää.
- Jamppa46%53%
- Järvenpää60%40%
- Finland61%38%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of households.
Dwellings
60% of homes are in blocks of flats and 37% in detached, semi-detached or terraced houses. Homes are smaller on average than in Järvenpää (69.5 m² compared with 74.0 m²).
- Jamppa60%37%
- Järvenpää52%47%
- Finland48%50%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of dwellings by building type.
Household types
50% of households are people living alone and 21% are families with children.
JamppaJärvenpää
- Living alone50%, Järvenpää 46%
- Living alone, under 3511%, Järvenpää 12%
- Couple under 35, no children2%, Järvenpää 4%
- With children21%, Järvenpää 22%
- With a child under 34%, Järvenpää 5%
- Single parent5%, Järvenpää 5%
- All members aged 18–6450%, Järvenpää 49%
- At least one member 65 or over29%, Järvenpää 30%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of households. A household can belong to several types.
- Average dwelling size
- 69.5 m²
- Järvenpää: 74.0 m²
- Dwellings
- 2,563
- Summer cottages
- 0
Education and income
Highest qualification
25% of adults have a university or college degree, fewer than in Järvenpää (37%). This is the lowest share among the postal code areas of Järvenpää.
- Jamppa34%35%17%
- Järvenpää22%35%24%13%
- Finland22%36%22%13%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of residents aged 18 or over.
Income groups
21% of adults are in Finland's lowest-earning fifth and 16% in the highest, close to 20% each.
- Jamppa21%63%16%
- Järvenpää16%60%24%
- Finland20%60%20%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of residents aged 18 or over in each national income group. Across Finland the groups hold 20%, 60% and 20% of adults.
- Inhabitants' disposable monetary income, median
- €25,502
- a year, about €2,125 a month
- Järvenpää: €28,999
- Households' disposable monetary income, median
- €33,142
- a year, about €2,762 a month
- Järvenpää: €41,104
- University or college degree
- 25%
- Järvenpää: 37%
Jobs
The area has 3,214 jobs; the largest industry is manufacturing (54%). Its share is clearly higher than in Järvenpää (14%).
Largest industries
JamppaJärvenpää
- Manufacturing54%, Järvenpää 14%
- Construction10%, Järvenpää 6%
- Health and social work8%, Järvenpää 21%
- Administrative and support services8%, Järvenpää 9%
- Wholesale and retail trade7%, Järvenpää 15%
- Education3%, Järvenpää 11%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of jobs with a known industry.
- Jobs located here
- 3,214
- Jobs per resident
- 0.78
- People working in the area divided by people living there
- Järvenpää: 0.30
Sectors
- Jamppa65%35%
- Järvenpää21%79%
- Finland20%77%
Source: Statistics Finland, Paavo, statistics year 2024
Change since 2010
The number of residents has fallen by 5% since 2014, while it has grown in Järvenpää. Median income has risen by 23% since 2014, at the same pace as in Järvenpää.
Permanent residents at the end of each year. Source: Statistics Finland, Paavo.
Income after taxes and compulsory payments, including transfers received. Euros of each year, not adjusted for inflation. Source: Statistics Finland, Paavo.
Neighbouring areas
Definitions and sources
- Residents
- People whose permanent home was in the area on 31 December, placed by the coordinates of their building. About 1% of residents have no coordinates and appear only in city figures.
- Income
- Disposable monetary income of residents aged 18 or over: earnings, business and property income and transfers received, minus taxes and other transfers paid. In euros of each year.
- Households
- People living permanently in the same dwelling. Household types overlap.
- Prices
- Average debt-free prices per m² of old flats in housing companies. A postal code area with too few sales gets the figure of its price area or city.
- Rents
- Average rents per m² of non-subsidised flats in new leases, by rent area.
- Small areas
- Statistics Finland withholds details of areas with fewer than 30 residents, households or adults, with fewer than 10 dwellings or only one building, or with fewer than 10 jobs.
Source: Statistics Finland: postal code area statistics (Paavo) 2024, prices of old dwellings, rents of dwellings (CC BY 4.0).