Elfyn Llwyd – Votes and party alignment
| Year | Party alignment | Total votes |
|---|---|---|
| 2015 | 98.81% | 66 |
| 2014 | 100.00% | 238 |
| 2013 | 98.12% | 264 |
| 2012 | 97.67% | 258 |
| 2011 | 99.51% | 253 |
| 2010 | 99.37% | 270 |
| 2009 | 99.42% | 263 |
| 2008 | 98.77% | 318 |
| 2007 | 99.32% | 237 |
| 2006 | 97.87% | 242 |
| 2005 | 98.62% | 247 |
| 2004 | 98.53% | 348 |
| 2003 | 99.91% | 371 |
| 2002 | 99.02% | 276 |
| 2001 | 98.84% | 129 |
| 2000 | 100.00% | 8 |
| 1999 | 100.00% | 11 |
| 1998 | 100.00% | 9 |
| 1997 | 66.67% | 3 |