Published by Tailte Éireann
<p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>CSO Electoral Divisions - National Statistical Boundaries - 2022 - Generalised 50m</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>CSO EDs are a statistical geography that aligns closely with the official ED boundary. EDs are comprised of whole Small Areas. In a small number of cases, CSO EDs do not align with the official boundary, where EDs are amalgamated to ensure statistical confidentiality or where a change was required to ensure better CSO ED/CSO alignment.</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><span style='font-family:inherit;'>Creation of generalised versions of Published ED boundaries. Using Douglas-Peucker algorithm with </span>tolerances<span style='font-family:inherit;'> of 20m, 50m, 100m and writes out features classes. Uses topology and option of preserving common boundaries to ensure output does not generalise differently on common boundaries.</span></p><p style='margin-top:0px; margin-bottom:1.5rem; font-family:"Avenir Next W01", "Avenir Next W00", "Avenir Next", Avenir, "Helvetica Neue", sans-serif; font-size:16px;'><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><span style='font-family:inherit;'></span></p>
| License | Creative Commons Attribution 4.0 |
| Created | 2025-08-22 |
| Last Updated | 2025-08-22 |