| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2019/2020 | Kilmarnock | Premiership | 0 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Kilmarnock | Premiership | 19 | 2 | 0 | 2 | 1 | – |
| 2017/2018 | Kilmarnock | Premiership | 34 | 18 | 0 | 2 | 0 | – |
| 2016/2017 | Kilmarnock | Premiership | 27 | 8 | 0 | 2 | 0 | – |
| 2015/2016 | Kilmarnock | Premiership | 29 | 5 | 0 | 1 | 0 | – |
| 2014/2015 | Rangers | Championship | 29 | 3 | 0 | 1 | 0 | – |
| 2013/2014 | Kilmarnock | Premiership | 36 | 22 | 0 | 2 | 1 | – |
| 2012/2013 | Kilmarnock | Premiership | 8 | 3 | 0 | 0 | 0 | – |
| 2012 | Portland Timbers | MLS | 26 | 7 | 0 | 4 | 0 | – |
| 2011/2012 | Eskişehirspor | Süper Lig | 2 | 0 | 0 | 0 | 0 | – |
| 2010/2011 | Nottingham Forest | Championship | 12 | 6 | 0 | 1 | 0 | – |
| 2010/2011 | Middlesbrough | Championship | 27 | 6 | 0 | 0 | 0 | – |
| 2009/2010 | Rangers | Premiership | 31 | 23 | 0 | 6 | 0 | – |
| 2008/2009 | Rangers | Premiership | 35 | 27 | 0 | 6 | 0 | – |
| 2007/2008 | Rangers | Premiership | 26 | 14 | 0 | 0 | 0 | – |
| 2007/2008 | Rangers | Premiership | 0 | 14 | 0 | 0 | 0 | – |
| 2006/2007 | Rangers | Premiership | 32 | 20 | 0 | 0 | 0 | – |
| 2005/2006 | Rangers | Premiership | 17 | 17 | 0 | 0 | 0 | – |
| 2005/2006 | Kilmarnock | Premiership | 20 | 15 | 0 | 0 | 0 | – |
| Total | 410 | 210 | 0 | 27 | 2 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 07 Jan 2015 | Rangers | Kilmarnock | Free | |
| 07 Jan 2014 | Kilmarnock | Rangers | N/A | |
| - | Portland | Kilmarnock | Free | |
| - | Eskişehirspor | Portland | Free | |
| 07 Aug 2011 | Middlesbrough | Eskişehirspor | 2M € | |
| 03 Aug 2011 | Middlesbrough | Nottm Forest | Loan | |
| 07 May 2010 | Rangers | Middlesbrough | Free | |
| 01 Jan 2006 | Kilmarnock | Rangers | 750K € |
K. Boyd career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.