Dataset - Helsinki Region Infoshare

Household-dwelling units in Uusimaa by number of persons and oldest age 31.12.1994-

This dataset provides statistics on household-dwelling units in Uusimaa by number of people and oldest age as of 31.12.1994.
- PXWEB
Aluesarjat statistical database data as spatial data

Aluesarjat - Key figures enables the use of statistical data by sub-region of Helsinki using the open WFS interface. The statistics are based on the data in the Helsinki region...
- WFS

You can also access this registry using the API (see API docs).