Published by Tailte Éireann
<div>CSO Local Electoral Areas (LEAs) are a statistical geography that aligns closely with the official LEA boundary (Statutory instruments 610-638 2018 and 27-28 2019) .</div><div><br /></div><div>In 139 cases they are equivalent to the official boundary. CSO LEAs are comprised of whole CSO EDs and CSO LEAs nest into counties.</div><div><br /></div><div>Generalised at tolerence 100m using Wang method. Wang algorithm will iteratively combine, eliminate and exaggerate bends until the input line feature has no bend that is smaller than the given tolerance value.</div><div><br /></div><div><p style='margin-top:12.0pt; margin-right:0cm; margin-bottom:12.0pt; margin-left:0cm; background:white;'><b><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>Update Notice:
4th August 2023</span></b><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>: ED and LEA
attributes changed on 15 SAs. As a result of the changes to SAs, CSO ED
has one additional ED and the number of CSO EDs is 3420 and there is a change
to 2 CSO LEAs. The ED and LEAs impacted are <o:p></o:p></span></p>
<p style='margin-top:12.0pt; margin-right:0cm; margin-bottom:12.0pt; margin-left:0cm; background:white; font-variant-ligatures:normal; font-variant-caps:normal; text-align:start; text-decoration-style:initial; text-decoration-color:initial; word-spacing:0px;'><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>ED 2ae19629-1d37-13a3-e055-000000000001
renamed to DALKEY-COLIEMORE<o:p></o:p></span></p>
<p style='margin-top:12.0pt; margin-right:0cm; margin-bottom:12.0pt; margin-left:0cm; background:white; font-variant-ligatures:normal; font-variant-caps:normal; text-align:start; text-decoration-style:initial; text-decoration-color:initial; word-spacing:0px;'><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>ED 94b26e15-6ed2-44c2-a0b0-207c369a2da8
SHANKILL-RATHSALLAGH added<o:p></o:p></span></p>
<p style='margin-top:12.0pt; margin-right:0cm; margin-bottom:12.0pt; margin-left:0cm; background:white; font-variant-ligatures:normal; font-variant-caps:normal; text-align:start; text-decoration-style:initial; text-decoration-color:initial; word-spacing:0px;'><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>LEA
40aece0e-a19d-4e78-af9d-e129f5557496 DÚN LAOGHAIRE redrawn<o:p></o:p></span></p>
<p style='margin-top:12.0pt; margin-right:0cm; margin-bottom:12.0pt; margin-left:0cm; background:white; font-variant-ligatures:normal; font-variant-caps:normal; text-align:start; text-decoration-style:initial; text-decoration-color:initial; word-spacing:0px;'><span style='font-size:11.5pt; font-family:"Helvetica",sans-serif; color:#4C4C4C;'>LEA d65ef6e7-75e6-49d9-bda9-d4690e8f68dc
KILLINEY-SHANKILL redrawn<o:p></o:p></span></p><br /></div>
| License | Creative Commons Attribution 4.0 |
| Created | 2025-08-22 |
| Last Updated | 2025-08-22 |