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The 2002 census

Preliminary figures for the 2002 census have now been published, showing that the population has now increased to 3,917,336. Based on these figures, there should be a number of constituency changes for the next election. This page will attempt to predict the constituency revisions, making the assumption that the size of the Dáil remains fixed at 166 (giving a ratio of 1 TD for every 23,598 people). The predictions will allow constituency populations to deviate from the average by + or - 5%.

For constituency purposes, the country can be divided into 6 regions:-
AreaPop (2002)EntitlementCurrentTo be assigned
Donegal1373835.8266
Cavan-Monaghan1091884.6355
Connacht46405019.6621*20
Leinster
(excl. Dublin)
98284941.6539*41 or 42
Dublin112260047.574747 or 48
Munster110126646.674846 or 47
Total3917336166166166
* Longford with a 2002 entitlement to 1.32TDs was included with Roscommon in a single constituency in 1997

The number of TDs in the smaller regions, Donegal, Cavan-Monaghan and Connacht are likely to be rounded up - leaving the three large regions of Dublin, Munster and Leinster with 47, 46 and 41 seats, with 1 seat to be allocated where it might be of most use (mathematically, Leinster is probably the most deserving region).

Donegal

Geography dictates that any constituency revision must start with Donegal. Currently, the county is divided into two three-seat constituencies. Its new population, 137383, entitles it to 5.82 TDs. This is within the 5% tolerance so Donegal will retain its 6 seats.

Connacht

Connacht is complicated by the current widely-disliked constituency of Longford-Roscommon, which crosses the provincial boundary. According to the census, the province is due 19.66 seats in the next constituency revision. The following table shows the figures per county :-
CountyPopulationSeats (1997)Seats due
Galway20882698.85
Mayo11742854.98
Sligo58178*2.47
Leitrim25815*1.09
Roscommon53803*2.28
Longford31127*1.39
Sligo-Leitrim8399343.56
Longford-Roscommon8493043.60
Note:- Longford is included because it is currently joined in a single constituency with Roscommon
Clearly, the Galway and Mayo constituencies will remain the same. The real problem is what to do with Sligo, Roscommon and Leitrim. Between the 3 counties, they are due 5.85 seats which could be rounded up to 6 without exceeding the 5% tolerance. The difficulty is that there is no clean way of dividing the counties into two 3-seaters. In the past, Leitrim has been divided between Sligo and Roscommon but this has proved extremely unpopular in Leitrim. The constituency commission may decide that it is unfair to divide a county with such a small population and that the best solution is to create two 3-seaters as follows:-
Leitrim-Sligo - containing all Leitrim and most of Sligo
Roscommon-Sligo - containing all Roscommon and parts of south Sligo


Munster

Munster currently has 48 TDs but the census indicates that is should only have 46.66. The following table shows the figures per county:-
CountyPopulationSeats (1997)Seats due
Cork4481812018.99
Kerry13242465.61
Limerick17552987.44
Clare10333344.38
Tipperary14028165.94
Waterford10151844.30
The figures show that Cork must be reduced in size to 19 seats, probably by adjusting one of the city constituencies (Cork North-Central?) to become a 4-seater. Next, Kerry, due 5.61 TDs will probably retain its 2 3-seat constituencies with the transfer of some voters from Limerick. This leaves Limerick, which is only due 7.44 TDs instead of the 8 it currently holds, set to lose a seat, with Limerick East becoming a 4-seater. The three remaining counties should stay as they are. This leaves Munster dropping 2 seats to 46 in total. Both Clare and Waterford have surplus "quotas" of between .38 and .30 of a TD. In order to bring these counties within the 5% tolerance, some of their voters will be transferred to Limerick East and Tipperary South respectively.

Cavan-Monaghan

These two south Ulster counties form a small region of their own for constituency purposes.

The following table shows the figures per county :-
CountyPopulationSeats (1997)Seats due
Cavan5641652.39
Monaghan52772*2.27
Cavan-Monaghan10918854.63
Cavan-Monaghan should remain a 5-seater, with some additional voters transferred from adjoining Leinster counties in order to bring the constituency within the 5% tolerance.

Leinster (excluding Dublin)

Some of the biggest increases in population have occurred in the counties around Dublin. Leinster (excluding Dublin) is due 41.6 seats in the next constituency revision. The following shows the figures per county:-
CountyPopulationSeats (1997)Seats due
Wicklow 114719 5 4.86
Wexford 116543 5 4.94
Kilkenny 80421* 3.40
Carlow 45845* 1.94
Offaly 63702* 2.70
Laois 58732* 2.49
Kildare 163995 6 6.95
Louth 101802 4 4.31
Meath 133936 5 5.68
Westmeath 72027 3 3.05
Longford 31127* 1.32
Carlow-Kilkenny12626655.34
Laois-Offaly12243455.19
Longford-Westmeath103154*4.37
The 5-seat constituencies of Wexford, Wicklow, Carlow-Kilkenny and Laois-Offaly should remain unchanged with some voters transferred from Carlow to Wicklow to bring Carlow-Kilkenny back within the 5% tolerance. Kildare North should gain an extra seat. If Longford is not to be joined with a non-Leinster county, then it must be joined to Westmeath, restoring the old Longford-Westmeath 4-seat constituency. A small number of voters from these counties would be transferred to Cavan-Monaghan and/or Meath in order to bring the population within the 5% tolerance. Meath could be split into 2 3-seaters, with the addition of some voters from Westmeath and/or Louth. This leaves Leinster with 41 seats.

Dublin

CountyPopulationSeats (1997)Seats due
Dublin11226004747.57
It seems likely that Dublin will have 48 seats in the next constituency revision. There are so many possible constituency arrangements in Dublin that it is difficult to predict what the constituency commission will come up with. Clearly, Dublin Mid-West should become a 4-seater with Dublin West and/or Dublin North also likely to gain seats. In order to allocate an extra seat to the North-West of the county, a seat may be lost in South-Central or even North-Central.

Summary

The following is a summary of the predicted new constituencies:-
Leitrim-Sligo: new 3-seater containing all of Leitrim and most of Sligo
Roscommon-Sligo: new 3-seater containing all Roscommon and parts of south Sligo
Longford-Westmeath: new 4-seat constituency
Meath North-West, Meath South-East: 2 new 3-seat constituencies
Kildare North: becomes a 4-seater
Limerick East: becomes a 4-seater
Cork North-Central: becomes a 4-seater
Dublin Mid-West: becomes a 4-seater

Alternatives

This page is a crude prediction of the what the forthcoming constituency revision might look like. There are many alternatives, particularly in the north Leinster and north-east Connacht areas. Much depends on the priorities of the constituency commission.

For example, a new 3-seat Drogheda constituency could be created, consisting of the Drogheda area of Louth and some parts of Meath. Louth North would become a 3-seater and the remainder of Meath would become a 4 seater. Given the geographical position of Drogheda, this might be a more natural arrangement.

An alternative arrangement would be:-
a 5-seat Sligo-Roscommon constituency
a 5-seat Cavan-Longford-Leitrim constituency (including 3 provinces in 1 constituency)
a 5-seat Monaghan-Louth constituency (containing all Louth except the Drogheda area)
a 3-seat Drogheda constituency (containing the Drogheda area and parts of east Meath)
a 4-seat Meath constituency

If the commission considers that Munster should have 47 seats then the likelihood is that Limerick East will retain its 5 seats.
© Ciaran Quinn, Dublin - last updated on 21st July 2002