About Marathon County
Marathon County is a city located in United States, in the Wisconsin region. According to the latest available data (2026), the population of Marathon County is approximately 138,013 residents, making it the #597 most populous city in United States.
Globally, Marathon County ranks #12,086 among the world's most populated cities.
Marathon County City Statistics
| City | Marathon County |
| Country |  United States |
| Population | 138,013 |
| Global Rank | #12,086 |
| Rank in United States | #597 of 867 cities |
| City Category | city |
| Region | Wisconsin |
| Latitude | 44.9 |
| Longitude | -89.76 |
| Data Year | 2026 |
Where is Marathon County Located?
Marathon County is located in United States, in the Wisconsin region, at coordinates 44.9° latitude and -89.76° longitude. Located in the mid-latitudes, Marathon County experiences distinct four-season weather patterns.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Marathon County?
The population of Marathon County is approximately 138,013 residents according to the latest available data (2026).
Where is Marathon County located?
Marathon County is located in United States at approximately 44.9° latitude and -89.76° longitude.
Is Marathon County one of the largest cities in United States?
With a population of 138,013, Marathon County is one of the notable urban areas in United States. It ranks #597 out of 867 cities in the country.
