'Turnout' is a key measure of participation in the democratic process. Specifically, it measures the proportion of eligible voters that turns out to vote on election day. Low (or declining) turnout rates are a cause of concern and are often taken as a measure of disaffection with the political decision-making process. In Ireland, turnout in the 2002 general election confirmed a downward trend in voter participation and represented the lowest turnout since the foundation of the State. However, turnout rates vary markedly across the State. Until recently, it was not possible to examine turnout at a sufficiently detailed geographical scale to allow systematic analysis of the potential causes of such variations. This paper reports on a...