The Cook County Republican Organization is made up of 30 Township GOP Organizations and 50 Chicago GOP Ward Organizations. Unfortunately, many of those are inactive.
By law, Precinct Committeemen are not elected in Cook County. However, Ward and Township Committeeman can appoint them. Such appointed Precinct Committeemen have no voting rights under the law.
Cook County GOP Township Organizations
| Barrington Township GOP | Northfield Township GOP |
| Berwyn Township GOP | Norwood Park Township GOP |
| Bloom Township GOP | Oak Park Township GOP |
| Bremen Township GOP | Orland Township GOP |
| Calumet Township GOP | Palatine Township GOP |
| Cicero Township GOP | Palos Township GOP |
| Elk Grove Township GOP | Proviso Township GOP |
| Evanston Township GOP | Rich Township GOP |
| Hanover Township GOP | River Forest Township GOP |
| Lemont Township GOP | Riverside Township GOP |
| Leyden Township GOP | Schaumburg Township GOP |
| Lyons Township GOP | Stickney Township GOP |
| Maine Township GOP | Thornton Township GOP |
| New Trier Township GOP | Wheeling Township GOP |
| Niles Township GOP | Worth Township GOP |
Chicago GOP Ward Organizations
| Chicago Ward 1 GOP | Chicago Ward 26 GOP |
| Chicago Ward 2 GOP | Chicago Ward 27 GOP |
| Chicago Ward 3 GOP | Chicago Ward 28 GOP |
| Chicago Ward 4 GOP | Chicago Ward 29 GOP |
| Chicago Ward 5 GOP | Chicago Ward 30 GOP |
| Chicago Ward 6 GOP | Chicago Ward 31 GOP |
| Chicago Ward 7 GOP | Chicago Ward 32 GOP |
| Chicago Ward 8 GOP | Chicago Ward 33 GOP |
| Chicago Ward 9 GOP | Chicago Ward 34 GOP |
| Chicago Ward 10 GOP | Chicago Ward 35 GOP |
| Chicago Ward 11 GOP | Chicago Ward 36 GOP |
| Chicago Ward 12 GOP | Chicago Ward 37 GOP |
| Chicago Ward 13 GOP | Chicago Ward 38 GOP |
| Chicago Ward 14 GOP | Chicago Ward 39 GOP |
| Chicago Ward 15 GOP | Chicago Ward 40 GOP |
| Chicago Ward 16 GOP | Chicago Ward 41 GOP |
| Chicago Ward 17 GOP | Chicago Ward 42 GOP |
| Chicago Ward 18 GOP | Chicago Ward 43 GOP |
| Chicago Ward 19 GOP | Chicago Ward 44 GOP |
| Chicago Ward 20 GOP | Chicago Ward 45 GOP |
| Chicago Ward 21 GOP | Chicago Ward 46 GOP |
| Chicago Ward 22 GOP | Chicago Ward 47 GOP |
| Chicago Ward 23 GOP | Chicago Ward 48 GOP |
| Chicago Ward 24 GOP | Chicago Ward 49 GOP |
| Chicago Ward 25 GOP | Chicago Ward 50 GOP |
END
