Postcode 9121 Aalsum
About 110 people live in postcode area 9121 in Aalsum (municipality Noardeast-Fryslân), in 45 households.
The average home value (WOZ) was €403,000 in 2023, up 74% from €231,000 in 2016.
80% of homes are owner-occupied, –% are apartments and 66.7% were built before 1945.
Liveability is in the top 13% of Dutch postcode areas (Leefbaarometer 2024).
Check an address in 9121
Year built, floor area and neighbourhood facts for one home. Free.
Home values over time
| 2016 | €231,000 |
| 2017 | €232,000 +0.4% |
| 2018 | €233,000 +0.4% |
| 2019 | €243,000 +4.3% |
| 2020 | €251,000 +3.3% |
| 2021 | €279,000 +11.2% |
| 2022 | €339,000 +21.5% |
| 2023 | €403,000 +18.9% |
Average WOZ value (municipal tax valuation) of homes in this postcode area, CBS.
Who lives here
| Age 0–14 | 9.1% |
| Age 15–24 | 13.6% |
| Age 25–44 | 18.2% |
| Age 45–64 | 22.7% |
| Age 65+ | 36.4% |
| Single-person households | 11.1% |
| Families with children | 33.3% |
| Average household size | 2.4 |
| Median household income | – |
| Urbanity | rural |
CBS 2024
Homes
| Homes | 45 |
| Owner-occupied / rented | 80% / 20% |
| Social housing | – |
| Apartments | – |
| Built before 1945 | 66.7% |
| Built 2015 or later | – |
| Average gas use | 1,550 m³ a year |
| Average electricity use | 3,620 kWh a year |
Distance to everyday places
| Supermarket | 1.6 km |
| GP | 3.2 km |
| Pharmacy | 3.1 km |
| Primary school | 1.5 km |
| Secondary school | 2.9 km |
| Daycare | 1.5 km |
| Train station | 13.6 km |
| Hospital | 27.6 km |
| Library | 2.4 km |
| Swimming pool | 4 km |
Average road distance for residents, CBS.
Neighbourhoods in 9121
Crime, liveability breakdown and more per neighbourhood.
Nearby postcodes
9122 Wetsens · 9123 Mitselwier · 9125 Eastrum · 9114 Driezum · 9113 Wâlterswâld · 9112 Burdaard · 9111 Burdaard · 9131 Ie · 9132 Ingwierrum · 9109 De Falom
Sources: CBS Statistieken per postcode (via PDOK), Leefbaarometer 3.0. Figures are averages for the postcode area. AI agents: factline.dev/llms.txt.