| Name | Title | Term Expires | |
|---|---|---|---|
| Stanley Darter | Mayor | sdarter@waterloo.il.us | May 2027 |
| Mechelle Childers | City Clerk | — | May 2027 |
| Brad Papenberg | City Treasurer | — | May 2027 |
| Joel Vogt | Alderman Ward 1 | jvogt@waterloo.il.us | May 2027 |
| Matt Buettner | Alderman Ward 1 | mbuettner@waterloo.il.us | May 2029 |
| Jim Hopkins | Alderman Ward 2 | jhop@htc.net | May 2027 |
| Jim Trantham | Alderman Ward 2 | jtrantham@waterloo.il.us | May 2029 |
| Kyle Buettner | Alderman Ward 3 | kbuettner@waterloo.il.us | May 2027 |
| Tina Charron | Alderman Ward 3 | tcharron@waterloo.il.us | May 2029 |
| Gary Most | Alderman Ward 4 | gmost@waterloo.il.us | May 2027 |
| Jordon Riley | Alderman Ward 4 | jriley@waterloo.il.us | May 2029 |