| # | Tier | Division | G | W | D | L | GF | GA | Pts | +- | ||
| 2006 | Major League Soccer Western Conference | 32 | 11 | 13 | 8 | 44 | 40 | 46 | 4 | Champions | ||
| 2007 | Major League Soccer Western Conference | 30 | 15 | 7 | 8 | 43 | 23 | 52 | 20 | Champions | ||
| 2008 | Major League Soccer Western Conference | 30 | 13 | 12 | 5 | 45 | 32 | 51 | 13 | |||
| 2009 | Major League Soccer Western Conference | 30 | 13 | 9 | 8 | 39 | 29 | 48 | 10 | |||
| 2010 | Major League Soccer Western Conference | 30 | 9 | 6 | 15 | 40 | 49 | 33 | -9 | |||
| 2011 | Major League Soccer Eastern Conference | 34 | 12 | 13 | 9 | 45 | 41 | 49 | 4 | |||
| 2012 | Major League Soccer Eastern Conference | 34 | 14 | 11 | 9 | 48 | 41 | 53 | 7 | |||
| 2013 | Major League Soccer Eastern Conference | 34 | 14 | 9 | 11 | 41 | 41 | 51 | 0 | |||
| 2014 | Major League Soccer Eastern Conference | 34 | 11 | 6 | 17 | 39 | 58 | 39 | -19 | |||
| 2015 | Major League Soccer Western Conference | 34 | 11 | 9 | 14 | 42 | 49 | 42 | -7 | |||
| 2016 | Major League Soccer Western Conference | 34 | 7 | 13 | 14 | 39 | 45 | 34 | -6 | |||
| 2017 | Major League Soccer Western Conference | 34 | 13 | 11 | 10 | 57 | 45 | 50 | 12 | |||
| 2018 | Major League Soccer Western Conference | 34 | 10 | 8 | 16 | 58 | 58 | 38 | 0 | |||
| 2019 | Major League Soccer Western Conference | 34 | 12 | 4 | 18 | 45 | 57 | 40 | -12 | |||
| 2020 | Major League Soccer Western Conference | 23 | 4 | 9 | 10 | 30 | 40 | 21 | -10 |