Three related posts readers of this blog should be interested in.
First, IrelandafterNama show and describe the geographic variation we see within the preliminary Census results (which are here; initial comments on this blog with hat-tipping to JtO here).
Second, the ever-excellent NAMAWineLake gets sociological on us in a fascinating post on growth of household sizes and why we need an extra 17,000 houses a year.
Third, Seamus Coffey thinks about what an extra 100,000 people means for our economic indicators.