Lookup Tables
ECAD SMALL AREA ID to CSO SMALL AREA LOOKUP
CENSUS 2022
The SMALL_AREA_ID in the ADMINISTRATIVE_INFO table can be matched to the corresponding CSO Small Area for Census 2022 with the following lookup table.
The field content description is as follows:
| NAME |
DESCRIPTION |
| SMALL_AREA_ID |
This is the SMALL_AREA_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| SMALL_AREA |
This field links to the corresponding SMALL_AREA field (SA_PUB2022) in the Census 2022 ungeneralised boundary file on data.gov.ie. |
| GEOGID |
This field links to the corresponding GEOGID field (SA_GEOGID_2022) in the Census 2022 data files |
CENSUS 2016
The SMALL_AREA_ID in the ADMINISTRATIVE_INFO table can be matched to the corresponding CSO Small Area for Census 2016 with the following lookup table.
The field content description is as follows:
| NAME |
DESCRIPTION |
| SMALL_AREA_ID |
This is the SMALL_AREA_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| SMALL_AREA |
This field links to the corresponding SMALL_AREA field in the Census 2016 boundary file on data.gov.ie. |
| GEOGID |
This field links to the corresponding GEOGID field in the Census 2016 data files |
CENSUS 2011
Prior to Q317 the SMALL_AREA_ID contained 2015 boundary data that matched the 2011 Census. The corresponding lookup table is also provided below. Since Q317 this data resides in the SMALL_AREA_2015_ID field.
The field content description is as follows:
| NAME |
DESCRIPTION |
| SMALL_AREA_2015_ID |
This is the SMALL_AREA_2015_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| SMALL_AREA |
This field links to the corresponding SMALL_AREA field in the Census 2011 boundary file on data.gov.ie. |
| GEOGID |
This field links to the corresponding GEOGID field in the Census 2011 data files |
ECAD DED_ID to CSO ED LOOKUP
CENSUS 2022
The DED_ID in the ADMINISTRATIVE_INFO table can be matched to the corresponding CSO ED for Census 2016 with the following table.
The field content description is as follows:
| NAME |
DESCRIPTION |
| DED_ID |
This is the DED_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| ED_ID_STR |
This field links to the corresponding ED_ID_STR field (ED_ID_STR) in the Census 2022 ungeneralised boundary file on data.gov.ie that matches the 2022 Census data. |
| ED_GUID |
This field links to the corresponding ED_GUID field in the Census 2022 data files |
CENSUS 2016
The DED_ID in the ADMINISTRATIVE_INFO table can be matched to the corresponding CSO ED for Census 2016 with the following table.
The field content description is as follows:
| NAME |
DESCRIPTION |
| DED_ID |
This is the DED_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| CSOED_3409 |
This field links to the corresponding CSOED_3409 field in the Census 2016 boundary file on data.gov.ie that matches the 2016 Census data. |
| GEOGID |
This field links to the corresponding GEOGID field in the Census 2016 data files |
Linking to Ordnance Survey 3441 Electoral Division Boundaries
You can link the DED_ID field which contains 3,441 values to the Ordnance Survey 2016 boundary file on data.gov.ie to the field named ED_ID.
CENSUS 2011
Prior to Q317 the DED_ID contained 2015 boundary data that matched the CSO 2011 Census. The corresponding lookup table is also provided below. Since Q317 this data resides in the DED_2015_ID field.
The field content description is as follows:
| NAME |
DESCRIPTION |
| DED_2015_ID |
This is the DED_2015_ID value in the ADMINISTRATIVE_INFO table in ECAD. |
| CSOED |
This field links to the corresponding CSOED field in the Census 2011 boundary file on cso.ie that matches the 2011 Census data. |
| GEOGID |
This field links to the corresponding GEOGID field in the Census 2011 data files |
ECAD TOWNLAND_ID to OSI TOWNLAND_ID LOOKUP
The TOWNLAND_ID in the ADMINISTRATIVE_INFO table matches the TD_ID in the boundary dataset available in Townlands - OSi National Statutory Boundaries dataset on the data.gov.ie website.
Local Authority Lookup
The LA_ID in the ADMINISTRATIVE_INFO table refers to the following 31 Local Authority administrative areas.
| LA_ID |
LA_NAME |
| 1 |
CARLOW COUNTY COUNCIL |
| 2 |
CAVAN COUNTY COUNCIL |
| 3 |
CLARE COUNTY COUNCIL |
| 4 |
CORK COUNTY COUNCIL |
| 5 |
DONEGAL COUNTY COUNCIL |
| 6 |
GALWAY COUNTY COUNCIL |
| 7 |
KERRY COUNTY COUNCIL |
| 8 |
KILDARE COUNTY COUNCIL |
| 9 |
KILKENNY COUNTY COUNCIL |
| 10 |
LAOIS COUNTY COUNCIL |
| 11 |
LEITRIM COUNTY COUNCIL |
| 12 |
LIMERICK CITY AND COUNTY COUNCIL |
| 13 |
LONGFORD COUNTY COUNCIL |
| 14 |
LOUTH COUNTY COUNCIL |
| 15 |
MAYO COUNTY COUNCIL |
| 16 |
MEATH COUNTY COUNCIL |
| 17 |
MONAGHAN COUNTY COUNCIL |
| 18 |
OFFALY COUNTY COUNCIL |
| 19 |
ROSCOMMON COUNTY COUNCIL |
| 20 |
SLIGO COUNTY COUNCIL |
| 21 |
TIPPERARY COUNTY COUNCIL |
| 22 |
WATERFORD CITY AND COUNTY COUNCIL |
| 23 |
WESTMEATH COUNTY COUNCIL |
| 24 |
WEXFORD COUNTY COUNCIL |
| 25 |
WICKLOW COUNTY COUNCIL |
| 26 |
SOUTH DUBLIN COUNTY COUNCIL |
| 27 |
FINGAL COUNTY COUNCIL |
| 28 |
DUN LAOGHAIRE-RATHDOWN COUNTY COUNCIL |
| 29 |
DUBLIN CITY COUNTY COUNCIL |
| 30 |
CORK CITY COUNTY COUNCIL |
| 31 |
GALWAY CITY COUNTY COUNCIL |
*The linkage has not changed between 2015 and 2017, both LA_ID and LA_2015_ID join to this table.
County Lookup
| COUNTY_ID |
NAME |
| 1001000022 |
Carlow |
| 1001000023 |
Cavan |
| 1001000003 |
Clare |
| 1001000000 |
Cork |
| 1001000008 |
Donegal |
| 1001000025 |
Dublin |
| 1001000005 |
Galway |
| 1001000001 |
Kerry |
| 1001000012 |
Kildare |
| 1001000013 |
Kilkenny |
| 1001000024 |
Laois |
| 1001000006 |
Leitrim |
| 1001000002 |
Limerick |
| 1001000016 |
Longford |
| 1001000018 |
Louth |
| 1001000004 |
Mayo |
| 1001000020 |
Meath |
| 1001000017 |
Monaghan |
| 1001000015 |
Offaly |
| 1001000019 |
Roscommon |
| 1001000007 |
Sligo |
| 1001000014 |
Tipperary |
| 1001000009 |
Waterford |
| 1001000021 |
Westmeath |
| 1001000010 |
Wexford |
| 1001000011 |
Wicklow |
Gaeltacht Area
The GAELTACHT_ID in the ADMINISTRATIVE_INFO table matches the GAELTACHT boundary dataset available on the
data.gov.ie website. The IDs have changed between 2015 and 2017 as per the table below.
| GAELTACHT_ID |
GAELTACHT_2015_ID |
NAME |
| 1 |
6 |
MEATH |
| 2 |
7 |
WATERFORD |
| 3 |
4 |
KERRY |
| 4 |
5 |
MAYO |
| 5 |
3 |
GALWAY |
| 6 |
1 |
CORK |
| 7 |
2 |
DONEGAL |
