When you filled in your census form on Sunday April 10th, you gave us the information we need now to understand what Ireland needs for the future.

Publication of Census 2011 Preliminary Results

The first results of the census were released on June 30th 2011, just 12 weeks after census day and show that Ireland’s population is growing strongly, primarily due to a high number of births.

The results show that the total population enumerated on census night 10th April was 4,581,269, an increase of 8.1% on the 2006 census. See the main results ...

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"Guess the population" competition

Congratulations to Mary Brennan in Stillorgan, the winner of the CSO's "Guess the population" competition held at the CSO stand at the Young Scientist Exhibition last January. Mary's guess of the population of Ireland on Census Night 10th April 2011, was closest to the Preliminary Result published on 30th June last.

Your Questions

  • What is the Census?
  • Why do we have a Census?

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The Census Form

The main household census form caters for up to six persons present in the household on Census Night. There are 30 questions on the form which must be answered in respect of each individual who is present in the household...
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Resources for Schools

Learning about the census and about how to effectively use census and other statistical data is a key part of our education. It helps us to understand our society and our role as responsible citizens in participating in that society.

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