| $250 | Feb 2, 2021 | Friends of Chris Koos | — | — |
| $250 | Feb 2, 2021 | Friends of Chris Koos | — | — |
| $100 | Mar 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $100 | Mar 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $100 | Mar 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $506 | Mar 25, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $528 | Mar 25, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $506 | Mar 25, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $528 | Mar 25, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $31 | Feb 3, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $31 | Feb 3, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $31 | Feb 3, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $440 | Jan 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $200 | Jan 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $200 | Jan 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $200 | Jan 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $220 | Jan 30, 2011 | Koos for Council | Executive Director | McLean County Musuem of History |
| $250 | Mar 15, 2005 | Mayor Chris Koos Campaign Committee | — | — |
“the ward with no alderman”