| Place Name | Spring Bay |
| Place Type | Village |
| ZIP Code(s) | 61548 61611 |
| County | Woodford County |
| Area Code(s) | 309 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 592 |
| Population Growth Rate (2010-19) | 4.87% |
| Majority Ethnicity | White 98.61% |
| Metro/Micro Stats Area | Peoria, IL |
| US Congressional District(s) | Illinois 18th |
| State House Districts | 73 |
| State Senate Districts | 37 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 98.61% |
| African American | 0.23% |
| Hispanic | 0.46% |
| Asian | 0.69% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |