| Place Name | Fairbury |
| Place Type | City |
| ZIP Code(s) | 61739 |
| County | Livingston County |
| Area Code(s) | 815,779 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 3,833 |
| Population Growth Rate (2010-19) | -3.30% |
| Majority Ethnicity | White 93.77% |
| Metro/Micro Stats Area | Pontiac, IL |
| US Congressional District(s) | Illinois 16th |
| State House Districts | 105 |
| State Senate Districts | 53 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.77% |
| African American | 2.01% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.23% |