| Name | Stephenson County |
| State | Illinois |
| FIPS Code | 17177 |
| County Seat | Freeport |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 43,347 |
| Population Growth Rate(2020-2024) | -3.12% |
| Majority Ethnicity | White 84.73% |
| Public School Majority Ethnicity | White 63% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate (May 2026) | 5.5% |
| Sales Tax Rate (2025) | 6.75% |
| Area Code(s) | 815 / 779 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 84.73% |
| African American | 8.7% |
| Hispanic | 5.47% |
| Asian | 0.83% |
| Native American | 0.26% |
| Hawaiin/Pacific Islander | 0% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 62.63% |
| African American | 15.72% |
| Hispanic | 10.33% |
| Asian | 0.65% |
| Native American | 0.14% |
| Hawaiin/Pacific Islander | 0.09% |