Statistics for Marathon County
Latest official figures for Marathon County, each linked to its source.
Demography
| Population | 139,432 persons | 2025 |
| Median age | 41.3 years | 2024 |
| Live births, July to June | 1,418 count | 2025 |
| Deaths, July to June | 1,352 count | 2025 |
| Crude birth rate, July to June | 10.18 per 1,000 inhabitants | 2025 |
| Crude death rate, July to June | 9.71 per 1,000 inhabitants | 2025 |
Labor market
| Unemployment rate | 3 % | 2026-08 |
Income and living conditions
| Poverty rate (US official measure) | 7.5 % | 2024 |
| Median household income | 77,884 USD | 2024 |
Economy
| Gross domestic product (GDP), US dollars | 11,882.1 USD million | 2024 |
| Real GDP growth | 2.5 % | 2024 |