| MSA Name | Ottawa, IL |
| MSA Type | Micropolitan Statistical Area |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 148,580 |
| Population Growth Rate (2010-19) | -5.3% |
| Majority Ethnicity | : -99.0% |
| Race/Ethnicy | Percentage of Population () |
|---|---|
| White | 0% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |
| Bureau County |
| LaSalle County |
| Putnam County |