| Official Name: | Cooperstown, Illinois |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Illinois#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Brown |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 633 |
| Coordinates: | 39.9639°N -90.6064°W |
| Area Code: | 217 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 406561 |
Cooperstown is an unincorporated community in Brown County, Illinois, United States.[1] It is located east of Mount Sterling and southeast of Ripley.
William H. Dieterich, member of the Illinois House of Representatives, U.S. Representative from Illinois, and U.S. Senator from Illinois, was born near Cooperstown.