In brief
Merimasku (21160) has 1,654 residents, 8% of the population of Naantali. It is the 3rd largest among the postal code areas of Naantali. The age structure is close to Naantali's: 14% of residents are aged 16 to 34 and 23% are 65 or over. 25% of households are people living alone and 26% are families with children.
Almost all homes are detached, semi-detached or terraced houses (99%). Homes are larger on average than in Naantali (122.2 m² compared with 92.1 m²). 96% of households own their home and 3% rent (Naantali: 28% rent). This is the lowest renting share among the postal code areas of Naantali. There are too few sales for the area to have its own price, so the price of €2,103 per m² is the average of old flats of all sizes in blocks of flats in the whole municipality (2025). The price equals 12.3 years of rent at €14.30 per m² a month in new leases.
The median disposable monetary income of residents is €32,792 a year, about €2,733 a month: 13% higher than in Naantali and 24% higher than in Finland. It is the highest among the postal code areas of Naantali. 7% of the labour force is unemployed, about the same as in Naantali (8%). The area has 196 jobs; the largest industry is construction (27%). More common than usual is agriculture, forestry and fishing: 10% of jobs (Naantali: 2%).
The number of residents has fallen by 5% since 2014, while it has grown in Naantali.
Rank among the city's areas
Households renting
3%
The lowest of 8 areas in Naantali
Naantali 28%
Homes in small houses
99%
The highest of 8 areas in Naantali
Naantali 60%
Living alone
25%
The lowest of 8 areas in Naantali
Naantali 41%
Median disposable income
€32,792
The highest of 8 areas in Naantali
Naantali €29,098
Key figures
Residents and households 2024, prices and rents from the latest quarters
- Price per m², 1 bedroom
- €2,103
- Figure for Naantali
- Naantali–
- Rent per m², 1 bedroom
- €14.30
- Figure for Varsinais-Suomi
- Naantali€14.30
- Residents
- 1,654
- -4.6% since 2014
- Mean age46.0
- Disposable monetary income, median
- €32,792
- +29.1% since 2014
- a year, about €2,733 a month
- Naantali€29,098
- Finland€26,351
- Households renting
- 3%
- of 727 households
- Naantali28%
- Finland38%
- University or college degree
- 44%
- of residents aged 18 or over
- Naantali40%
- Finland36%
Prices, rents and charges
There are too few sales for the area to have its own price, so the price of €2,103 per m² is the average of old flats of all sizes in blocks of flats in the whole municipality (2025). The price equals 12.3 years of rent at €14.30 per m² a month in new leases.
Price per m²
€2,103
Naantali, all flat sizes
Sales of old flats in blocks of flats, 2025, 108 sales
Rent per m² a month
€14.30
Figure for Varsinais-Suomi
New leases, non-subsidised flats, 2026 Q3
Naantali: €14.30
- Price-to-rent ratio
- 12.3 years
- Naantali: –
- Gross rental yield
- 8.2%
- Naantali: –
- Maintenance charge
- €4.55
- Average per m² a month, Finland outside Greater Helsinki, 2025
- Change a year
- 10 yrs5 yrsPrice+0.3%-2.4%Rent+1.5%+1.5%
- Average of the price index (Varsinais-Suomi) and rent index (Varsinais-Suomi)
Source: Statistics Finland
Statistics Finland has published no yearly prices for this postal code area in recent years, because there were too few sales.
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See the area's housing marketCompared with the other areas
The area is among the three highest or lowest postal code areas of Naantali in 7 of 8 figures: median income, households renting, aged 65 or over, families with children, university or college degree, unemployment, average home size.
Median disposable income1/8
€26,249Livonsaari€32,792MerimaskuNaantali €29,098Merimasku €32,792€26,249Livonsaari€32,792MerimaskuHouseholds renting8/8
3%Merimasku37%Naantali KeskusNaantali 28%Merimasku 3%3%Merimasku37%Naantali KeskusAged 16 to 344/8
8%Velkua18%Taimo-Nuhjala-LietsalaNaantali 16%Merimasku 14%8%Velkua18%Taimo-Nuhjala-LietsalaAged 65 or over7/8
21%Taimo-Nuhjala-Lietsala43%VelkuaNaantali 28%Merimasku 23%21%Taimo-Nuhjala-Lietsala43%VelkuaFamilies with children2/8
13%Röölä29%Taimo-Nuhjala-LietsalaNaantali 21%Merimasku 26%13%Röölä29%Taimo-Nuhjala-LietsalaUniversity or college degree2/8
29%Rymättylä Keskus48%VelkuaNaantali 40%Merimasku 44%29%Rymättylä Keskus48%VelkuaUnemployment6/8
6%Velkua12%LivonsaariNaantali 8%Merimasku 7%6%Velkua12%LivonsaariAverage home size2/8
78.8 m²Naantali Keskus124.7 m²PoikkoNaantali 92.1 m²Merimasku 122.2 m²78.8 m²Naantali Keskus124.7 m²Poikko
Residents
Age
The age structure is close to Naantali's: 14% of residents are aged 16 to 34 and 23% are 65 or over.
MerimaskuNaantali
Source: Statistics Finland, Paavo, statistics year 2024 · Share of residents in each age group.
Main activity
Pensioners make up 24% of residents, less than in Naantali (30%).
- Merimasku48%24%15%
- Naantali43%30%14%
- Finland43%26%15%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of all residents. Unemployment is counted for ages 16 to 64.
- Mean age
- 46.0
- Naantali: 47.0
- Unemployed, share of the labour force
- 7%
- Naantali: 8%
- Household size
- 2.3
- Naantali: 2.0
- Floor area per person
- 54.1 m²
- Naantali: 46.9 m²
Households and homes
Tenure
96% of households own their home and 3% rent (Naantali: 28% rent). This is the lowest renting share among the postal code areas of Naantali.
- Merimasku96%
- Naantali71%28%
- Finland61%38%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of households.
Dwellings
Almost all homes are detached, semi-detached or terraced houses (99%). Homes are larger on average than in Naantali (122.2 m² compared with 92.1 m²).
- Merimasku99%
- Naantali39%60%
- Finland48%50%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of dwellings by building type.
Household types
25% of households are people living alone and 26% are families with children.
MerimaskuNaantali
- Living alone25%, Naantali 41%
- Living alone, under 352%, Naantali 5%
- Couple under 35, no children2%, Naantali 2%
- With children26%, Naantali 21%
- With a child under 34%, Naantali 4%
- Single parent5%, Naantali 5%
- All members aged 18–6439%, Naantali 39%
- At least one member 65 or over36%, Naantali 41%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of households. A household can belong to several types.
- Average dwelling size
- 122.2 m²
- Naantali: 92.1 m²
- Dwellings
- 800
- Summer cottages
- 858
Education and income
Highest qualification
44% of adults have a university or college degree, more than in Naantali (40%). This is the 2nd highest share among the postal code areas of Naantali.
- Merimasku15%36%29%15%
- Naantali19%36%26%14%
- Finland22%36%22%13%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of residents aged 18 or over.
Income groups
35% of adults are in Finland's highest-earning fifth, more than the 20% across Finland.
- Merimasku13%53%35%
- Naantali14%60%26%
- 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
- €32,792
- a year, about €2,733 a month
- Naantali: €29,098
- Households' disposable monetary income, median
- €63,380
- a year, about €5,282 a month
- Naantali: €45,602
- University or college degree
- 44%
- Naantali: 40%
Jobs
The area has 196 jobs; the largest industry is construction (27%). More common than usual is agriculture, forestry and fishing: 10% of jobs (Naantali: 2%).
Largest industries
MerimaskuNaantali
- Construction27%, Naantali 10%
- Health and social work14%, Naantali 18%
- Agriculture, forestry and fishing10%, Naantali 2%
- Professional, scientific and technical10%, Naantali 7%
- Transport and storage8%, Naantali 6%
- Education7%, Naantali 7%
Source: Statistics Finland, Paavo, statistics year 2024 · Share of jobs with a known industry.
- Jobs located here
- 196
- Jobs per resident
- 0.12
- People working in the area divided by people living there
- Naantali: 0.26
Sectors
- Merimasku30%60%
- Naantali30%68%
- 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 Naantali. Median income has risen by 29% since 2014, at the same pace as in Naantali.
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).