| Name | Marathon County |
| State | Wisconsin |
| FIPS Code | 55073 |
| County Seat | Wausau |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 138,838 |
| Population Growth Rate(2020-2024) | 0.56% |
| Majority Ethnicity | White 90.18% |
| Public School Majority Ethnicity | White 71% |
| Partisan Voting Index | Republican:+10 |
| Unemployment Rate (May 2026) | 3.7% |
| Sales Tax Rate (2025) | 5.5% |
| Area Code(s) | 535 / 715 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.18% |
| African American | 0.49% |
| Hispanic | 3.45% |
| Asian | 5.66% |
| Native American | 0.17% |
| Hawaiin/Pacific Islander | 0.05% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 71.46% |
| African American | 1.55% |
| Hispanic | 9.45% |
| Asian | 12.68% |
| Native American | 0.52% |
| Hawaiin/Pacific Islander | 0.07% |